SPIRAL WOUND GASKETS

Driven by the industry's

need for safe, effective

sealing solutions,

Flexitallic invented the

spiral wound gasket.

SPIRAL WOUND

GASKETS

www.flexitallic.com

Our extensive and varied product

offering includes spiral wound gaskets,

RTJ gaskets, Flexpro

™

Kammprofiles,

sheet materials, dynamic and static

packings, pipe support and custom

rubber products. Drawing upon the

group’s rich history and present day

values of leadership, quality, service

and technology, we are at the forefront

of developing sealing solutions for

industries around the world.

In addition to a wide range of products,

we also deliver world-class technical

support and Joint Integrity training.

The Flexitallic Group is the international

market leader in the manufacture

and supply of high quality, high value

industrial static sealing products.

About us

As the developer of the spiral wound

gasket in 1912, we have built on this

legacy of innovation with revolutionary

products including Thermiculite

and

Sigma

, The Flange Rescue Gasket, and

most recently the Change

™

Gasket, set

to transform the global sealing industry.

We have a global network of Allied

Distributors across 30 countries. This

ensures local demand is met quickly,

providing a combination of the highest

product quality and outstanding

customer service.

FLEXITALLIC

Making the world safer and cleaner

through engineered sealing solutions.

Our Mission

Based on sales and geographic reach, the Flexitallic Group

has become the global supplier of industrial gaskets.

Allied distributors

Inside Industry

We pride ourselves on not simply supplying

products, but by supporting customers with

a detailed knowledge of their industry and

applications, so that products and services

are tailored to their specific needs.

This unique approach means that we focus

on providing more than just a product, but

also a complete solution that adds genuine

value to our clients.

Global Distribution... Local Support

Our products are distributed through a

global network of Allied Distributors.

These carefully selected distribution partners

are strategically located within their territory

to deliver the best possible service and

products to our customers. This approach

means our products and know-how are

available to the global industries we service.

Innovative Product Range

We have a rich history of innovation,

which has seen us lead the industry

with many new products.

Over the years, our products have gained

a reputation for quality, reliability and

technology that is second to none.

Customised Engineering Solutions

Our Application Engineering, Production

Engineering and R&D teams work

closely together to design, develop and

manufacture bespoke sealing solutions.

We have been responsible for a number

of truly revolutionary products, including

Thermiculite

, Sigma

and the Flange

Rescue Gasket, which ensure we are

able to continually meet the ever more

stringent requirements of our customers.

Flexitallic

Safe

Over the last century, our aggressive

R&D efforts have helped customers

become Flexitallic

Safe. From the first

Spiral Wound Gasket in 1912 to the ever

evolving applications for Thermiculite

our goal is to develop materials that

push the parameters of heat, pressure

and chemical resistance.

Our Commitment to Quality

We place great emphasis on maintaining

international quality standards,

and are approved to ISO 9001:2008,

ISO 14001:2004 and OHSAS 18001:2007,

API 6A and API 17D, to ensure we meet

the highest possible standards for all

our products and services.

We also invest heavily in test and

quality assurance equipment to maintain

our reputation for the highest quality

products.

Our materials are subjected to a wide

range of tests as specified by statutory

regulations and customer requirements.

These approvals enable our customers

to make informed choices as to the

suitability of a product for each and

every application.

2. www.flexitallic.com

PAGE

INTRODUCTION 1

SPIRAL WOUND GASKETS 3

GASKET IDENTIFICATION 4

GASKET MATERIALS 5

GASKET SELECTION 6

STYLE CG & CGI GASKETS 7

DIMENSIONAL DATA 8

TECHNICAL INFORMATION 21

SPECIAL APPLICATION GASKETS 25

THE ACADEMY OF JOINT INTEGRITY 32

CONTENTS

Driven by the industry’s

need for safe, effective

sealing solutions for

increasingly demanding

applications, Flexitallic

invented the spiral

wound gasket in 1912.

SPIRAL WOUND

GASKETS

First and Foremost

The concept of spiral wound gasket

construction was originated by Flexitallic

in 1912, starting a new era in safe,

effective sealing. The primary purpose

for this development was the increasingly

severe temperatures and pressures used

by U.S. refinery operators in the first half

of the 20th century.

The necessity for a gasket to have

the ability to recover cannot be over

emphasised. The effects of pressure

and temperature fluctuations, the

temperature differential across the

flange face, together with bolt stress

relaxation and creep, demand a gasket

with adequate flexibility and recovery

to maintain a seal even under these

varying service conditions. The Flexitallic

Spiral Wound Gasket is the precision

engineered solution to such problems,

meeting the most exacting conditions

of both temperature and pressure in

flanged joints and similar assemblies

and against virtually every known

corrosive and toxic media.

Metal Strip

Filler Material

4. www.flexitallic.com

GASKET

IDENTIFICATION

Metallic Winding

Materials

The metallic winding

material is designated

by a solid colour

identification around

the outside edge of

the centering ring.

Non Metallic Fillers

The gasket filler

materials are designated

by a number of stripes

placed at equal intervals

around the outside edge

of the centering ring.

304SS

Yellow

347SS

Blue

321SS

Turquoise

316LSS

Green

304LSS

No colour

317L

Maroon

430SS

No colour

309SS

No colour

310SS

No colour

Titanium

Purple

Inconel

X750

No Colour

Incoloy

800/825

White

Inconel

600/625

Gold

Alloy 20

Black

Nickel 200

Red

Hastelloy

C276

Beige

Carbon Steel

Silver

Zirconium

No colour

Hastelloy

Brown

Monel

Orange

Flexite Super

Pink Stripe

Flexicarb

Gray Stripe

PTFE

White Stripe

Ceramic

Light Green Stripe

Thermiculite

835

Light Blue Stripe

Duplex

No colour

Gaskets are colour coded to help expedite the selection and identity of the gaskets you need.

The colour on the outside edge of the centering ring identifies both the winding and filler materials.

The metallic winding material is designated by a solid colour. The filler materials are designated by

colour stripes at equal intervals on the outside edge of the centering ring. Flexitallic colour coding

meets the industry standard for metal and filler materials listed in ASME B16.20.

GASKET

MATERIALS

NOTES

Figures stated are for information only. Please refer to the current version of the original standards for dimensional information.

Selected materials should be compatible with operating temperature and chemicals. If in doubt, contact Flexitallic Technical Department.

We recommend a max continuous operating temperature of 260

C, above this decomposition starts to occur slowly, increasing rapidly above 400

C (750

IDENTIFICATION REQUIREMENTS

Stainless Steel 304

316L

OTHERS

Stainless Steel 304L

310

316Ti

317L

321

347

430

17-7PH

Alloy 20

Monel

Titanium

Nickel

200

Inconel

600

625

X-750

Hastelloy

C276

Incoloy

800

825

Duplex

Zirconium

Tantalum

METAL WINDING STRIP AS STANDARD

Flexicarb

flexible graphite

Thermiculite

835

Flexite Super

PTFE

Ceramic

Non-sintered PTFE

Thermiculite

, FLEXITALLIC’S

proprietary high-temperature,

sealing material is comprised

of chemically exfoliated and

thermally exfoliated vermiculite.

This revolutionary patented

product simulates the structure

of exfoliated graphite but with one

notable exception... gaskets made

with Thermiculite

maintain their

integrity, even at extreme

temperatures.

Thermiculite

is thermally

stable, ensuring against thermal

oxidation, at temperatures in

excess of 1000

(Thermiculite

835).

FILLER MATERIAL

Carbon Steel

OTHERS

Stainless Steel 304

304L

316

316L

316Ti

310

321

347

410

Inconel

600

625

Monel

Titanium

Nickel

Incoloy

800

825

Alloy 20

Hastelloy

C276

GUIDE RING MATERIAL AS STANDARD

6. www.flexitallic.com

GASKET

SELECTION

Style RIRStyle CGI

Raised Face Flat Face Male and Female

Tongue and Groove

Style CG Style R

Flat Face to Recess

Style CG

Style CGI

Style R Style R

Style RIR Style RIR

Flange Face

NOTES: Where style R gaskets are fitted it is essential that the flange is correctly dimensioned to provide a compression stop, as over compression can result in failure.

Recommended

Gasket Style

For general duties

Recommended

Gasket Style

For high pressure/

temperature duty,

also for gaskets with

PTFE filler, corrosive

or fluctuating pressure

or temperature service

conditions.

Style CG – Is comprised of a

sealing element and outer metal

ring. The outer ring assists in

locating the gasket on the mating

flange faces and prevents over

compression of the sealing

element ensuring optimum sealing

performance. Style CG gaskets are

suitable for use on raised and flat

faced flanged connections. Style CG

gaskets are suitable for use in mild

to moderate service conditions.

Style CGI – In addition to an outer

metal ring the CGI style gasket is fitted

with an inner metal ring, constraining

the sealing element on both internal

and external diameters. The inner ring

functions as an additional compression

stop and prevents inner buckling of the

sealing element. It also creates a

physical barrier between the sealing

element and process stream shielding

from heat and media while preventing

erosion. Style CGI gaskets are suitable

for use on raised and flat faced flanged

connections and moderate to severe

service conditions.

Style R – Is comprised of a sealing

element, additional plies of metal

are used at the start and

termination of the winding process

improving stability and sealing

performance. Unlike other styles

of spiral wound gasket compression

of the sealing element is controlled

by the use of the correct flange

face configuration, style R gaskets

are suitable for use on tongue and

groove, male and female and flat

to groove flanged connections.

Style RIR – Is comprised of a

sealing element and inner metal ring.

The inner ring functions as both

a compression stop and creates a

physical barrier between the sealing

element and media stream. The inner

ring is also designed to reduce

turbulent flow, minimising flange

erosion and prevents the build up

debris in the annular space between

the pipe bore and internal diameter

of the gasket. Style RIR gaskets are

suitable for use on male and female

(spigot and recess) flanged

connections.

SELECTION GUIDE

Published as an indication of which Flexitallic spiral wound gasket best suits different pipe flange configurations and service conditions.

STYLE CG &

CGI GASKETS

To suit standard

raised face and

flat face flanges.

All CG and CGI Gaskets for these standard

flanges are 0.175 in (4.5mm) thick, fitted

with 0.125 in (3.2mm) thick solid metal rings,

unless otherwise stated.

Special gaskets

Gaskets of special design can be engineered

and fabricated using the same basic fundamentals

of Flexitallic Spiral Wound Gasket design and

construction to cover a wide range of applications

in installations for which there are no industry-wide

standards. Special gaskets have been designed for

valves, pumps, compressors, turbines, boilers, heat

exchangers, etc. Consult with Flexitallic engineers

as early in the design stage as possible.

Style CG Style CGI

Flexitallic style CG and CGI Spiral

Wound Gaskets can be

manufactured in accordance with

all relevant gasket standards to suit

the following flange designations.

Please note that gaskets for non-

standard flanges are also readily

available.

ASME B16.5

ASME B16.47 Series A (MSS SP 44)

ASME B16.47 Series B (API 605)

BS 10

BS 1560

BS 4504

BS EN 1092

BS EN 1759

DIN Flanges

JIS Flanges

Low Emission style Gaskets are

available, which conform to major oil

refinery requirements in accordance

with CFET March 2013 revision.

Please speak to the Applications

Engineering Department for further

information.

Note: When using PTFE filler material,

Spiral Wound Gaskets shall be fitted

with an inner metal ring (i.e. style CGI).

WHEN ORDERING PLEASE SPECIFY EXAMPLE

Gasket style

Nominal pipe size (NPS)

Pressure rating

Gasket standard

Winding materials

Outer ring material

Inner ring material

Flexitallic Style “CGI” Spiral Wound Gasket

4”

Class 900

ASME B16.20

316L/Flexicarb (FG)

Carbon Steel

316L

mm #150 #300 #400 #600 #900 #1500 #2500 #150 #300 #400 #600 #900 #1500 #2500 #150 #300 #400 #600 #900 #1500 #2500 #150 #300 #400 #600 #900 #1500 #2500

(5) (5) (5) (4) (4) (4) (4) (4) (4)

15 14.2 14.2 - 14.2 - 14.2 14.2 19.1 19.1 - 19.1 - 19.1 19.1 31.8 31.8 31.8 31.8 31.8 31.8 31.8 47.8 54.1 - 54.1 - 63.5 69.9

20 20.6 20.6 - 20.6 - 20.6 20.6 25.4 25.4 - 25.4 - 25.4 25.4 39.6 39.6 39.6 39.6 39.6 39.6 39.6 57.2 66.8 - 66.8 - 69.9 76.2

25 26.9 26.9 - 26.9 - 26.9 26.9 31.8 31.8 - 31.8 - 31.8 31.8 47.8 47.8 47.8 47.8 47.8 47.8 47.8 66.8 73.2 - 73.2 - 79.5 85.9

32 38.1 38.1 - 38.1 - 33.3 33.3 47.8 47.8 - 47.8 - 39.6 39.6 60.5 60.5 60.5 60.5 60.5 60.5 60.5 76.2 82.6 - 82.6 - 88.9 104.9

40 44.5 44.5 - 44.5 - 41.4 41.4 54.1 54.1 - 54.1 - 47.8 47.8 69.9 69.9 69.9 69.9 69.9 69.9 69.9 85.9 95.3 - 95.3 - 98.6 117.6

50 55.6 55.6 - 55.6 - 52.3 52.3 69.9 69.9 - 69.9 - 58.7 58.7 85.9 85.9 85.9 85.9 85.9 85.9 85.9 104.9 111.3 - 111.3 - 143.0 146.1

65 66.5 66.5 - 66.5 - 63.5 63.5 82.6 82.6 - 82.6 - 69.9 69.9 98.6 98.6 98.6 98.6 98.6 98.6 98.6 124.0 130.3 - 130.3 - 165.1 168.4

80 81.0 81.0 - 81.0 78.7 78.7 78.7 101.6 101.6 - 101.6 95.3 92.2 92.2 120.7 120.7 120.7 120.7 120.7 120.7 120.7 136.7 149.4 - 149.4 168.4 174.8 196.9

100 106.4 106.4 102.6 102.6 102.6 97.8 97.8 127.0 127.0 120.7 120.7 120.7 117.6 117.6 149.4 149.4 149.4 149.4 149.4 149.4 149.4 174.8 181.1 177.8 193.8 206.5 209.6 235.0

125 131.8 131.8 128.3 128.3 128.3 124.5 124.5 155.7 155.7 147.6 147.6 147.6 143.0 143.0 177.8 177.8 177.8 177.8 177.8 177.8 177.8 196.9 215.9 212.9 241.3 247.7 254.0 279.4

150 157.2 157.2 154.9 154.9 154.9 147.3 147.3 182.6 182.6 174.8 174.8 174.8 171.5 171.5 209.6 209.6 209.6 209.6 209.6 209.6 209.6 222.3 251.0 247.7 266.7 289.1 282.7 317.5

200 215.9 215.9 205.7 205.7 196.9 196.9 196.9 233.4 233.4 225.6 225.6 222.3 215.9 215.9 263.7 263.7 263.7 263.7 257.3 257.3 257.3 279.4 308.1 304.8 320.8 358.9 352.6 387.4

250 268.2 268.2 255.3 255.3 246.1 246.1 246.1 287.3 287.3 274.6 274.6 276.4 266.7 270.0 317.5 317.5 317.5 317.5 311.2 311.2 311.2 339.9 362.0 358.9 400.1 435.1 435.1 476.3

300 317.5 317.5 307.3 307.3 292.1 292.1 292.1 339.9 339.9 327.2 327.2 323.9 323.9 317.5 374.7 374.7 374.7 374.7 368.3 368.3 368.3 409.7 422.4 419.1 457.2 498.6 520.7 549.4

350 349.3 349.3 342.9 342.9 320.8 320.8 - 371.6 371.6 362.0 362.0 355.6 362.0 - 406.4 406.4 406.4 406.4 400.1 400.1 - 450.9 485.9 482.6 492.3 520.7 577.9 -

400 400.1 400.1 389.9 389.9 374.7 368.3 - 422.4 422.4 412.8 412.8 412.8 406.4 - 463.6 463.6 463.6 463.6 457.2 457.2 - 514.4 539.8 536.7 565.2 574.8 641.4 -

450 449.3 449.3 438.2 438.2 425.5 425.5 - 474.7 474.7 469.9 469.9 463.6 463.6 - 527.1 527.1 527.1 527.1 520.7 520.7 - 549.4 596.9 593.9 612.9 638.3 704.9 -

500 500.1 500.1 489.0 489.0 482.6 476.3 - 525.5 525.5 520.7 520.7 520.7 514.4 - 577.9 577.9 577.9 577.9 571.5 571.5 - 606.6 654.1 647.7 682.8 698.5 755.7 -

600 603.3 603.3 590.6 590.6 590.6 577.9 - 628.7 628.7 628.7 628.7 628.7 616.0 - 685.8 685.8 685.8 685.8 679.5 679.5 - 717.6 774.7 768.4 790.7 838.2 901.7 -

8. www.flexitallic.com

DIMENSIONAL

DATA

SPIRAL WOUND GASKETS

Dimensions to ASME B16.20

to suit ASME B16.5 Flanges

CG CGI

GENERAL NOTES

All dimensions are in mm.

Figures stated are for information only. Please refer to the current version of the original standards for dimensional information.

The gasket thickness tolerance is +/- .13 mm measured across the metallic portion of the gasket, not including the filler, which may protrude slightly beyond the metal.

The inner-ring thickness shall be 2.97mm to 3.33mm.

For sizes NPS ½ through NPS 3, the insider diameter tolerance is +/- 0.8mm; for larger sizes the inside diameter tolerance is +/- 1.5mm.

NOTES

1. The gasket outside diameter tolerance for NPS ½ through to NPS 8 is +/-0.8mm; for NPS 10 through NPS 24 +1.5mm -0.8mm

2. The gasket inside diameter tolerance for NPS ½ through to NPS 8 is +/-0.4mm; for NPS 10 through NPS 24 +/- 0.8mm

3. The centering ring outside diameter tolerance is +/-0.8mm

4. There are no Class 400 flanges in NPS ½ through NPS 3 (use Class 600), Class 900 flanges in NPS ½ through NPS 2 ½ (use Class 1500), or Class 2500 flanges NPS 14 and larger

5. There are no NPS ½ through NPS 3 Class 400 flanges (use Class 600), NPS ½ through NPS 2 ½ Class 900 flanges (use Class 1500), or NPS 14 and larger Class 2500 flanges

NOMINAL BORE INNER RING ID SEALING ELEMENT ID (1) (2) SEALING ELEMENT OD CENTERING RING OD (3)

Inches #150 #300 #400 #600 #900 #1500 #2500 #150 #300 #400 #600 #900 #1500 #2500 #150 #300 #400 #600 #900 #1500 #2500 #150 #300 #400 #600 #900 #1500 #2500

(5) (5) (5) (4) (4) (4)

(4) (4) (4)

½ 0.56 0.56 - 0.56 - 0.56 0.56 0.75 0.75 - 0.75 - 0.75 0.75 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.88 2.13 - 2.13 0.00 2.50 2.75

¾ 0.81 0.81 - 0.81 - 0.81 0.81 1.00 1.00 - 1.00 - 1.00 1.00 1.56 1.56 1.56 1.56 1.56 1.56 1.56 2.25 2.63 - 2.63 0.00 2.75 3.00

1 1.06 1.06 - 1.06 - 1.06 1.06 1.25 1.25 - 1.25 - 1.25 1.25 1.88 1.88 1.88 1.88 1.88 1.88 1.88 2.63 2.88 - 2.88 0.00 3.13 3.38

1 ¼ 1.50 1.50 - 1.50 - 1.31 1.31 1.88 1.88 - 1.88 - 1.56 1.56 2.38 2.38 2.38 2.38 2.38 2.38 2.38 3.00 3.25 - 3.25 0.00 3.50 4.13

1 ½ 1.75 1.75 - 1.75 - 1.63 1.63 2.13 2.13 - 2.13 - 1.88 1.88 2.75 2.75 2.75 2.75 2.75 2.75 2.75 3.38 3.75 - 3.75 0.00 3.88 4.63

2 2.19 2.19 - 2.19 - 2.06 2.06 2.75 2.75 - 2.75 - 2.31 2.31 3.38 3.38 3.38 3.38 3.38 3.38 3.38 4.13 4.38 - 4.38 0.00 5.63 5.75

2 ½ 2.62 2.62 - 2.62 - 2.50 2.50 3.25 3.25 - 3.25 - 2.75 2.75 3.88 3.88 3.88 3.88 3.88 3.88 3.88 4.88 5.13 - 5.13 0.00 6.50 6.63

3 3.19 3.19 - 3.19 3.10 3.10 3.10 4.00 4.00 - 4.00 3.75 3.63 3.63 4.75 4.75 4.75 4.75 4.75 4.75 4.75 5.38 5.88 - 5.88 6.63 6.88 7.75

4 4.19 4.19 4.04 4.04 4.04 3.85 3.85 5.00 5.00 4.75 4.75 4.75 4.63 4.63 5.88 5.88 5.88 5.88 5.88 5.88 5.88 6.88 7.13 7.00 7.63 8.13 8.25 9.25

5 5.19 5.19 5.05 5.05 5.05 4.90 4.90 6.13 6.13 5.81 5.81 5.81 5.63 5.63 7.00 7.00 7.00 7.00 7.00 7.00 7.00 7.75 8.50 8.38 9.50 9.75 10.00 11.00

6 6.19 6.19 6.10 6.10 6.10 5.80 5.80 7.19 7.19 6.88 6.88 6.88 6.75 6.75 8.25 8.25 8.25 8.25 8.25 8.25 8.25 8.75 9.88 9.75 10.50 11.38 11.13 12.50

8 8.50 8.50 8.10 8.10 7.75 7.75 7.75 9.19 9.19 8.88 8.88 8.75 8.50 8.50 10.38 10.38 10.38 10.38 10.13 10.13 10.13 11.00 12.13 12.00 12.63 14.13 13.88 15.25

10 10.56 10.56 10.05 10.05 9.69 9.69 9.69 11.31 11.31 10.81 10.81 10.88 10.50 10.63 12.50 12.50 12.50 12.50 12.25 12.25 12.25 13.38 14.25 14.13 15.75 17.13 17.13 18.75

12 12.50 12.50 12.10 12.10 11.50 11.50 11.50 13.38 13.38 12.88 12.88 12.75 12.75 12.50 14.75 14.75 14.75 14.75 14.50 14.50 14.50 16.13 16.63 16.50 18.00 19.63 20.50 21.63

14 13.75 13.75 13.50 13.50 12.63 12.63 - 14.63 14.63 14.25 14.25 14.00 14.25 - 16.00 16.00 16.00 16.00 15.75 15.75 - 17.75 19.13 19.00 19.38 20.50 22.75 -

16 15.75 15.75 15.35 15.35 14.75 14.50 - 16.63 16.63 16.25 16.25 16.25 16.00 - 18.25 18.25 18.25 18.25 18.00 18.00 - 20.25 21.25 21.13 22.25 22.63 25.25 -

18 17.69 17.69 17.25 17.25 16.75 16.75 - 18.69 18.69 18.50 18.50 18.25 18.25 - 20.75 20.75 20.75 20.75 20.50 20.50 - 21.63 23.50 23.38 24.13 25.13 27.75 -

20 19.69 19.69 19.25 19.25 19.00 18.75 - 20.69 20.69 20.50 20.50 20.50 20.25 - 22.75 22.75 22.75 22.75 22.50 22.50 - 23.88 25.75 25.50 26.88 27.50 29.75 -

24 23.75 23.75 23.25 23.25 23.25 22.75 - 24.75 24.75 24.75 24.75 24.75 24.25 - 27.00 27.00 27.00 27.00 26.75 26.75 - 28.25 30.50 30.25 31.13 33.00 35.50 -

DIMENSIONAL

DATA

SPIRAL WOUND GASKETS

Dimensions to ASME B16.20

to suit ASME B16.5 Flanges

CG CGI

GENERAL NOTES

All dimensions are in inches.

Figures stated are for information only. Please refer to the current version of the original standards for dimensional information.

The gasket thickness tolerance is +/- .13 mm measured across the metallic portion of the gasket, not including the filler, which may protrude slightly beyond the metal.

The inner-ring thickness shall be 0.117 in to 0.131 in

For sizes NPS ½ through NPS 3, the insider diameter tolerance is +/- 0.03in; for larger sizes the inside diameter tolerance is +/- 0.06in.

NOTES

1. The gasket outside diameter tolerance for NPS ½ through to NPS 8 is +/-0.03in for NPS 10 through NPS 24 +0.06in – 0.03in

2. The gasket inside diameter tolerance for NPS ½ through to NPS 8 is +/-0.016in; for NPS 10 through NPS 24 +/- 0.03in.

3. The centering ring outside diameter tolerance is +/-0.03in

4. There are no Class 400 flanges in NPS ½ through NPS 3 (use Class 600), Class 900 flanges in NPS ½ through NPS 2 ½ (use Class 1500), or Class 2500 flanges NPS 14 and larger

5. There are no NPS ½ through NPS 3 Class 400 flanges (use Class 600), NPS ½ through NPS 2 ½ Class 900 flanges (use Class 1500), or NPS 14 and larger Class 2500 flanges

NOMINAL BORE INNER RING ID SEALING ELEMENT ID (1) (2) SEALING ELEMENT OD CENTERING RING OD (3)

10. www.flexitallic.com

GENERAL NOTES

All dimensions are in mm and inches.

NOTES

The above style CG & CGI Spiral Wound Gaskets are dimensioned to suit existing screwed or slip-on flanges for NPS 1⁄4 to 1-½ ASME B16.5 & BS 1560 flanges.

DIMENSIONAL

DATA

STYLE CG & CGI GASKETS

Dimensions to suit ASME B16.5 & BS1560

Small Diameter Screwed or Slip-on Flanges

INSIDE DIA. OUTSIDE DIA. CLASS 150 CLASS 300 CLASS 400 CLASS 600 CLASS 900 CLASS 1500

SEALING ELEMENT GUIDE RING OUTSIDE DIAMETER

NOMINAL

PIPE

SIZE

INNER RING

INSIDE

DIAMETER

¼ - - 0.56 14.3 0.88 22.2 1.75 44.5 1.75 44.5 1.75 44.5 1.75 44.5 ----

½ 0.56 14.3 0.94 23.8 1.25 31.8 1.88 47.6 2.13 54.0 2.13 54.0 2.13 54.0 2.50 63.5 2.50 63.5

¾ 0.81 20.6 1.19 30.2 1.56 39.7 2.25 57.2 2.63 66.7 2.63 66.7 2.63 66.7 2.75 69.9 2.75 69.9

1 1.06 27.0 1.44 36.5 1.88 47.6 2.63 66.7 2.88 73.0 2.88 73.0 2.88 73.0 3.13 79.4 3.13 79.4

1 ¼ 1.38 34.9 1.88 47.6 2.38 60.3 3.00 76.2 3.25 82.6 3.25 82.6 3.25 82.6 3.50 88.9 3.50 88.9

1 ½ 1.63 41.3 2.13 54.0 2.75 69.9 3.38 85.7 3.75 95.3 3.75 95.3 3.75 95.3 3.88 98.4 3.88 98.4

INCHES MM

INCHES MM INCHES MM

INCHES MM

11.

DIMENSIONAL

DATA

SPIRAL WOUND GASKETS

Style CG & CGI ASME B16.20 Gaskets

to suit ASME B16.47 Flanges Series A

mm #150 #300 #400 #600 #900 #150 #300 #400 #600 #900 #150 #300 #400 #600 #900 #150 #300 #400 #600 #900

(4)

650 654.1 654.1 660.4 647.7 660.4 673.1 685.8 685.8 685.8 685.8 704.9 736.6 736.6 736.6 736.6 774.7 835.2 831.9 866.9 882.7

700 704.9 704.9 711.2 698.5 711.2 723.9 736.6 736.6 736.6 736.6 755.7 787.4 787.4 787.4 787.4 831.9 898.7 892.3 914.4 946.2

750 755.7 755.7 755.7 755.7 768.4 774.7 793.8 793.8 793.8 793.8 806.5 844.6 844.6 844.6 844.6 882.7 952.5 946.2 971.6 1009.7

800 806.5 806.5 812.8 812.8 812.8 825.5 850.9 850.9 850.9 850.9 860.6 901.7 901.7 901.7 901.7 939.8 1006.6 1003.3 1022.4 1073.2

850 857.3 857.3 863.6 863.6 863.6 876.3 901.7 901.7 901.7 901.7 911.4 952.5 952.5 952.5 952.5 990.6 1057.4 1054.1 1073.2 1136.7

900 908.1 908.1 917.7 917.7 920.8 927.1 955.8 955.8 955.8 958.9 968.5 1006.6 1006.6 1006.6 1009.7 1047.8 1117.6 1117.6 1130.3 1200.2

950 958.9 952.5 952.5 952.5 1009.7 977.9 977.9 971.6 990.6 1035.1 1019.3 1016.0 1022.4 1041.4 1085.9 1111.3 1054.1 1073.2 1104.9 1200.2

1000 1009.7 1003.3 1000.3 1009.7 1060.5 1028.7 1022.4 1025.7 1047.8 1098.6 1070.1 1070.1 1076.5 1098.6 1149.4 1162.1 1114.6 1127.3 1155.7 1251.0

1050 1060.5 1054.1 1051.1 1066.8 1111.3 1079.5 1073.2 1076.5 1104.9 1149.4 1124.0 1120.9 1127.3 1155.7 1200.2 1219.2 1165.4 1178.1 1219.2 1301.8

1100 1111.3 1104.9 1104.9 1111.3 1155.7 1130.3 1130.3 1130.3 1162.1 1206.5 1178.1 1181.1 1181.1 1212.9 1257.3 1276.4 1219.2 1231.9 1270.0 1368.6

1150 1162.1 1152.7 1168.4 1162.1 1219.2 1181.1 1178.1 1193.8 1212.9 1270.0 1228.9 1228.9 1244.6 1263.7 1320.8 1327.2 1273.3 1289.1 1327.2 1435.1

1200 1212.9 1209.8 1206.5 1219.2 1270.0 1231.9 1235.2 1244.6 1270.0 1320.8 1279.7 1286.0 1295.4 1320.8 1371.6 1384.3 1324.1 1346.2 1390.7 1485.9

1250 1263.7 1244.6 1257.3 1270.0 - 1282.7 1295.4 1295.4 1320.8 - 1333.5 1346.2 1346.2 1371.6 - 1435.1 1378.0 1403.4 1447.8 -

1300 1314.5 1320.8 1308.1 1320.8 - 1333.5 1346.2 1346.2 1371.6 - 1384.3 1397.0 1397.0 1422.4 - 1492.3 1428.8 1454.2 1498.6 -

1350 1358.9 1352.6 1352.6 1378.0 - 1384.3 1403.4 1403.4 1428.8 - 1435.1 1454.2 1454.2 1479.6 - 1549.4 1492.3 1517.7 1555.8 -

1400 1409.7 1403.4 1403.4 1428.8 - 1435.1 1454.2 1454.2 1479.6 - 1485.9 1505.0 1505.0 1530.4 - 1606.6 1543.1 1568.5 1612.9 -

1450 1460.5 1447.8 1454.2 1473.2 - 1485.9 1511.3 1505.0 1536.7 - 1536.7 1562.1 1555.8 1587.5 - 1663.7 1593.9 1619.3 1663.7 -

1500 1511.3 1524.0 1517.7 1530.4 - 1536.7 1562.1 1568.5 1593.9 - 1587.5 1612.9 1619.3 1644.7 - 1714.5 1644.7 1682.8 1733.6 -

GENERAL NOTES

All dimensions are in mm.

Figures stated are for information only. Please refer to the current version of the original standards for dimensional information.

The gasket thickness tolerance is +/-0.13mm measured across the metallic portion of the gasket, not including the filler, which may protrude slighlty beyond the metal.

ASME B16.47 Series A flanges NPS 12 through NPS 24 have the same raised face dimensions as ASME B16.5 flanges.

The inner-ring thickness shall be 2.97 mm to 3.33 mm.

The inside diameter tolerance is +/- 3.0 mm.

These inner rings are suitable for use with pipe walls 9.53 mm or thicker.

NOTES

1. The gasket outside diameter tolerance for NPS 26 through NPS 60 is +/-1.5 mm

2. The gasket inside diameter tolerance for NPS 26 through NPS 34 is +/-0.8 mm; and the tolerance for NPS 36 through NPS 60 is ±1.5 mm.

3. The centering ring outside diameter tolerance is +/-0.8 mm.

4. There are no Class 900 flanges NPS 50 and larger.

NOMINAL BORE INNER RING ID SEALING ELEMENT ID (2) (4) SEALING ELEMENT OD (1) (4) CENTERING RING OD (3) (4)

CG CGI

12. www.flexitallic.com

DIMENSIONAL

DATA

SPIRAL WOUND GASKETS

Style CG & CGI ASME B16.20 Gaskets

to suit ASME B16.47 Flanges Series A

GENERAL NOTES

All dimensions are in inches.

Figures stated are for information only. Please refer to the current version of the original standards for dimensional information.

The gasket thickness tolerance is +/-0.005in measured across the metallic portion of the gasket, not including the filler, which may protrude slightly beyond the metal.

ASME B16.47 Series A flanges NPS 12 through NPS 24 have the same raised face dimensions as ASME B16.5 flanges.

NOTES

1. The gasket outside diameter tolerance for NPS 26 through NPS 60 is +/-0.06in

2. The gasket inside diameter tolerance for NPS 26 through NPS 34 is +/-0.03in and the tolerance for NPS 36 through NPS 60 is +/-0.05in

3. The centering ring outside diameter tolerance is +/-0.03in

4. There are no Class 900 flanges NPS 50 and larger.

CG CGI

Inches #150 #300 #400 #600 #900 #150 #300 #400 #600 #900 #150 #300 #400 #600 #900 #150 #300 #400 #600 #900

)

26 25.75 25.75 26.00 25.50 26.00 26.50 27.00 27.00 27.00 27.00 27.75 29.00 29.00 29.00 29.00 30.50 32.88 32.75 34.13 34.75

28 27.75 27.75 28.00 27.50 28.00 28.50 29.00 29.00 29.00 29.00 29.75 31.00 31.00 31.00 31.00 32.75 35.38 35.13 36.00 37.25

30 29.75 29.75 29.75 29.75 30.25 30.50 31.25 31.25 31.25 31.25 31.75 33.25 33.25 33.25 33.25 34.75 37.50 37.25 38.25 39.75

32 31.75 31.75 32.00 32.00 32.00 32.50 33.50 33.50 33.50 33.50 33.88 35.50 35.50 35.50 35.50 37.00 39.63 39.50 40.25 42.25

34 33.75 33.75 34.00 34.00 34.00 34.50 35.50 35.50 35.50 35.50 35.88 37.50 37.50 37.50 37.50 39.00 41.63 41.50 42.25 44.75

36 35.75 35.75 36.13 36.13 36.25 36.50 37.63 37.63 37.63 37.75 38.13 39.63 39.63 39.63 39.75 41.25 44.00 44.00 44.50 47.25

38 37.75 37.50 37.50 37.50 39.75 38.50 38.50 38.25 39.00 40.75 40.13 40.00 40.25 41.00 42.75 43.75 41.50 42.25 43.50 47.25

40 39.75 39.50 39.38 39.75 41.75 40.50 40.25 40.38 41.25 43.25 42.13 42.13 42.38 43.25 45.25 45.75 43.88 44.38 45.50 49.25

42 41.75 41.50 41.38 42.00 43.75 42.50 42.25 42.38 43.50 45.25 44.25 44.13 44.38 45.50 47.25 48.00 45.88 46.38 48.00 51.25

44 43.75 43.50 43.50 43.75 45.50 44.50 44.50 44.50 45.75 47.50 46.38 46.50 46.50 47.75 49.50 50.25 48.00 48.50 50.00 53.88

46 45.75 45.38 46.00 45.75 48.00 46.50 46.38 47.00 47.75 50.00 48.38 48.38 49.00 49.75 52.00 52.25 50.13 50.75 52.25 56.50

48 47.75 47.63 47.50 48.00 50.00 48.50 48.63 49.00 50.00 52.00 50.38 50.63 51.00 52.00 54.00 54.50 52.13 53.00 54.75 58.50

50 49.75 49.00 49.50 50.00 - 50.50 51.00 51.00 52.00 - 52.50 53.00 53.00 54.00 - 56.50 54.25 55.25 57.00 -

52 51.75 52.00 51.50 52.00 - 52.50 53.00 53.00 54.00 - 54.50 55.00 55.00 56.00 - 58.75 56.25 57.25 59.00 -

54 53.50 53.25 53.25 54.25 - 54.50 55.25 55.25 56.25 - 56.50 57.25 57.25 58.25 - 61.00 58.75 59.75 61.25 -

56 55.50 55.25 55.25 56.25 - 56.50 57.25 57.25 58.25 - 58.50 59.25 59.25 60.25 - 63.25 60.75 61.75 63.50 -

58 57.50 57.00 57.25 58.00 - 58.50 59.50 59.25 60.50 - 60.50 61.50 61.25 62.50 - 65.50 62.75 63.75 65.50 -

60 59.50 60.00 59.75 60.25 - 60.50 61.50 61.75 62.75 - 62.50 63.50 63.75 64.75 - 67.50 64.75 66.25 68.25 -

NOMINAL BORE INNER RING ID SEALING ELEMENT ID (2) (4) SEALING ELEMENT OD (1) (4) CENTERING RING OD (3) (4)

13.

DIMENSIONAL

DATA

SPIRAL WOUND GASKETS

Style CG & CGI ASME B16.20 Gaskets

to suit ASME B16.47 Flanges Series B

GENERAL NOTES

All dimensions are in mm.

Figures stated are for information only. Please refer to the current version of the original standards for dimensional information.

The inner-ring thickness shall be 2.97 mm to 3.33 mm.

The inside diameter tolerance is +/-3.0 mm.

These Inner rings are suitable for use with pipe walls 9.53 mm or thicker.

The gasket thickness tolerance is +/-0.13mm measured across the metallic portion of the gasket, not including the filler, which may protrude slightly beyond the metal.

NOTES

1. The gasket outside diameter tolerance for NPS 26 through NPS 60 is +/-1.5 mm

2. The gasket inside diameter tolerance for NPS 26 through NPS 34 is +/-0.8 mm, and the tolerance for NPS 36 through NPS 60 is +/-1.2 mm.

3. The centering ring outside diameter tolerance is +/-0.8 mm.

4. There are no Class 900 flanges NPS 50 and larger.

mm #150 #300 #400 #600 #900 #150 #300 #400 #600 #900 #150 #300 #400 #600 #900 #150 #300 #400 #600 #900

(4)

650 654.1 654.1 654.1 644.7 666.8 673.1 673.1 666.8 663.7 692.2 698.5 711.2 698.5 714.5 749.3 725.4 771.7 746.3 765.3 838.2

700 704.9 704.9 701.8 685.8 717.6 723.9 723.9 714.5 704.9 743.0 749.3 762.0 749.3 755.7 800.1 776.2 825.5 800.1 819.2 901.7

750 755.7 755.7 752.6 752.6 781.1 774.7 774.7 765.3 778.0 806.5 800.1 812.8 806.5 828.8 857.3 827.0 886.0 857.3 879.6 958.9

800 806.5 806.5 800.1 793.8 838.2 825.5 825.5 812.8 831.9 863.6 850.9 863.6 860.6 882.7 914.4 881.1 939.8 911.4 933.5 1016.0

850 857.3 857.3 850.9 850.9 895.4 876.3 876.3 866.9 889.0 920.8 908.1 914.4 911.4 939.8 971.6 935.0 993.9 962.2 997.0 1073.2

900 908.1 908.1 898.7 901.7 920.8 927.1 927.1 917.7 939.8 946.2 958.9 965.2 965.2 990.6 997.0 987.6 1047.8 1022.4 1047.8 1124.0

950 958.9 971.6 952.5 952.5 1009.7 974.9 1009.7 971.6 990.6 1035.1 1009.7 1047.8 1022.4 1041.4 1085.9 1044.7 1098.6 1073.2 1104.9 1200.2

1000 1009.7 1022.4 1000.3 1009.7 1060.5 1022.4 1060.5 1025.7 1047.8 1098.6 1063.8 1098.6 1076.5 1098.6 1149.4 1095.5 1149.4 1127.3 1155.7 1251.0

1050 1060.5 1085.9 1051.1 1066.8 1111.3 1079.5 1111.3 1076.5 1104.9 1149.4 1114.6 1149.4 1127.3 1155.7 1200.2 1146.3 1200.2 1178.1 1219.2 1301.8

1100 1111.3 1124.0 1104.9 1111.3 1155.7 1124.0 1162.1 1130.3 1162.1 1206.5 1165.4 1200.2 1181.1 1212.9 1257.3 1197.1 1251.0 1231.9 1270.0 1368.6

1150 1162.1 1178.1 1168.4 1162.1 1219.2 1181.1 1216.2 1193.8 1212.9 1270.0 1224.0 1254.3 1244.6 1263.7 1320.8 1255.8 1317.8 1289.1 1327.2 1435.1

1200 1212.9 1231.9 1206.5 1219.2 1270.0 1231.9 1263.7 1244.6 1270.0 1320.8 1270.0 1311.4 1295.4 1320.8 1371.6 1306.6 1368.6 1346.2 1390.7 1485.9

1250 1263.7 1267.0 1257.3 1270.0 - 1282.7 1317.8 1295.4 1320.8 - 1325.6 1355.9 1346.2 1371.6 - 1357.4 1419.4 1403.4 1447.8 -

1300 1314.5 1317.8 1308.1 1320.8 - 1333.5 1368.6 1346.2 1371.6 - 1376.4 1406.7 1397.0 1422.4 - 1408.2 1470.2 1454.2 1498.6 -

1350 1365.3 1365.3 1352.6 1378.0 - 1384.3 1403.4 1403.4 1428.8 - 1422.4 1454.2 1454.2 1479.6 - 1463.8 1530.4 1517.7 1555.8 -

1400 1422.4 1428.8 1403.4 1428.8 - 1444.8 1479.6 1454.2 1479.6 - 1478.0 1524.0 1505.0 1530.4 - 1514.6 1593.9 1568.5 1612.9 -

1450 1478.0 1484.4 1454.2 1473.2 - 1500.1 1535.2 1505.0 1536.7 - 1528.8 1573.3 1555.8 1587.5 - 1579.6 1655.8 1619.3 1663.7 -

1500 1535.2 1557.3 1517.7 1530.4 - 1557.3 1589.0 1568.5 1593.9 - 1586.0 1630.4 1619.3 1644.7 - 1630.4 1706.6 1682.8 1733.6 -

NOMINAL BORE INNER RING ID SEALING ELEMENT ID (2) (4) SEALING ELEMENT OD (1) (4) CENTERING RING OD (3) (4)

CG CGI

14. www.flexitallic.com

DIMENSIONAL

DATA

SPIRAL WOUND GASKETS

Style CG & CGI ASME B16.20 Gaskets

to suit ASME B16.47 Flanges Series B

GENERAL NOTES

All dimensions are in inches.

Figures stated are for information only. Please refer to the current version of the original standards for dimensional information.

The gasket thickness tolerance is +/-0.005in measured across the metallic portion of the gasket, not including the filler, which may protrude slightly beyond the metal.

NOTES

1. The gasket outside diameter tolerance for NPS 26 through NPS 60 is +/-0.06in

2. The gasket inside diameter tolerance for NPS 26 through NPS 34 is +/-0.03in, and the tolerance for NPS 36 through NPS 60 is +/-0.05in

3. The centering ring outside diameter tolerance is +/-0.03in

4. There are no Class 900 flanges NPS 50 and larger

CG CGI

Inches #150 #300 #400 #600 #900 #150 #300 #400 #600 #900 #150 #300 #400 #600 #900 #150 #300 #400 #600 #900

(4)

26 25.75 25.75 25.75 25.38 26.25 26.50 26.50 26.25 26.13 27.25 27.50 28.00 27.50 28.13 29.50 28.56 30.38 29.38 30.13 33.00

28 27.75 27.75 27.63 27.00 28.25 28.50 28.50 28.13 27.75 29.25 29.50 30.00 29.50 29.75 31.50 30.56 32.50 31.50 32.25 35.50

30 29.75 29.75 29.63 29.63 30.75 30.50 30.50 30.13 30.63 31.75 31.50 32.00 31.75 32.63 33.75 32.56 34.88 33.75 34.63 37.75

32 31.75 31.75 31.50 31.25 33.00 32.50 32.50 32.00 32.75 34.00 33.50 34.00 33.88 34.75 36.00 34.69 37.00 35.88 36.75 40.00

34 33.75 33.75 33.50 33.50 35.25 34.50 34.50 34.13 35.00 36.25 35.75 36.00 35.88 37.00 38.25 36.81 39.13 37.88 39.25 42.25

36 35.75 35.75 35.38 35.50 36.25 36.50 36.50 36.13 37.00 37.25 37.75 38.00 38.00 39.00 39.25 38.88 41.25 40.25 41.25 44.25

38 37.75 38.25 37.50 37.50 39.75 38.37 39.75 38.25 39.00 40.75 39.75 41.25 40.25 41.00 42.75 41.13 43.25 42.25 43.50 47.25

40 39.75 40.25 39.38 39.75 41.75 40.25 41.75 40.38 41.25 43.25 41.88 43.25 42.38 43.25 45.25 43.13 45.25 44.38 45.50 49.25

42 41.75 42.75 41.38 42.00 43.75 42.50 43.75 42.38 43.50 45.25 43.88 45.25 44.38 45.50 47.25 45.13 47.25 46.38 48.00 51.25

44 43.75 44.25 43.50 43.75 45.50 44.25 45.75 44.50 45.75 47.50 45.88 47.25 46.50 47.75 49.50 47.13 49.25 48.50 50.00 53.88

46 45.75 46.38 46.00 45.75 48.00 46.50 47.88 47.00 47.75 50.00 48.19 49.38 49.00 49.75 52.00 49.44 51.88 50.75 52.25 56.50

48 47.75 48.50 47.50 48.00 50.00 48.50 49.75 49.00 50.00 52.00 50.00 51.63 51.00 52.00 54.00 51.44 53.88 53.00 54.75 58.50

50 49.75 49.88 49.50 50.00 - 50.50 51.88 51.00 52.00 - 52.19 53.38 53.00 54.00 - 53.44 55.88 55.25 57.00 -

52 51.75 51.88 51.50 52.00 - 52.50 53.88 53.00 54.00 - 54.19 55.38 55.00 56.00 - 55.44 57.88 57.25 59.00 -

54 53.75 53.75 53.25 54.25 - 54.50 55.25 55.25 56.25 - 56.00 57.25 57.25 58.25 - 57.63 60.25 59.75 61.25 -

56 56.00 56.25 55.25 56.25 - 56.88 58.25 57.25 58.25 - 58.18 60.00 59.25 60.25 - 59.63 62.75 61.75 63.50 -

58 58.19 58.44 57.25 58.00 - 59.07 60.44 59.25 60.50 - 60.19 61.94 61.25 62.50 - 62.19 65.19 63.75 65.50 -

60 60.44 61.31 59.75 60.25 - 61.31 62.56 61.75 62.75 - 62.44 64.19 63.75 64.75 - 64.19 67.19 66.25 68.25 -

NOMINAL BORE INNER RING ID SEALING ELEMENT ID (2) (4) SEALING ELEMENT OD (1) (4) CENTERING RING OD (3) (4)

10 18 3 24 5 34 5 34 46 46 46 46 56 56 56

15 23 3 29 5 39 5 39 51 51 51 51 61 61 61

20 28 3 34 6 46 - - 61 61 61 61 - - -

25 35 3 41 6 53 6 53 71 71 71 71 82 82 82

32 43 3 49 6 61 - - 82 82 82 82 - - -

40 50 3 56 6 68 6 68 92 92 92 92 103 103 103

50 61 4.5 70 8 86 8 86 107 107 107 107 113 119 119

65 77 4.5 86 8 102 10 106 127 127 127 127 137 143 143

80 90 4.5 99 8 115 10 119 142 142 142 142 148 154 154

100 115 6 127 8 143 10 147 162 162 168 168 174 180 180

125 140 6 152 10 172 12 176 192 192 194 194 210 217 217

150 167 6 179 10 199 12 203 218 218 224 224 247 257 257

200 216 6 228 10 248 12 252 273 273 284 290 309 324 324

250 267 6 279 12 303 14 307 327 329 340 352 364 391 388

300 318 6 330 12 354 14 358 377 384 400 417 424 458 458

350 360 8 376 12 400 14 404 437 444 457 474 486 512 -

400 410 6 422 14 450 17 456 488 495 514 546 543 572 -

500 510 6 522 14 550 17 556 593 617 624 628 657 704 -

600 610 6 622 14 650 17 656 695 734 731 747 764 813 -

700 710 6 722 17 756 20 762 810 804 833 852 879 950 -

800 810 10 830 17 864 20 870 917 911 942 974 988 - -

900 910 10 930 17 964 20 970 1017 1011 1042 1084 1108 - -

1000 1010 10 1030 22 1074 25 1080 1124 1128 1154 1194 - - -

15.

DIMENSIONAL

DATA

SPIRAL WOUND GASKETS

Style CG & CGI Gaskets to BS EN 1514-2

to suit BS EN 1092-1 Flanges

NOMINAL

DIAMETER

INNER

DIAMETER

OF THE

INNER

RING

INNER

DIAMETER

OF THE

SEALING

ELEMENT

INNER

DIAMETER

OF THE

GUIDE

RING

INNER

DIAMETER

OF THE

GUIDE

RING

OUTSIDE DIAMETER OF THE GUIDE RING TO EACH PRESSURE CLASS

MM PN10 PN25 DN40 PN63 PN100 PN160

WIDTH

OF THE

INNER

RING

WIDTH

OF THE

SEALING

ELEMENT

WIDTH

OF THE

SEALING

ELEMENT

PN10-PN40

PN63-PN160

GENERAL NOTES

Dimensions in mm.

Figures stated are for information only. Please refer to the current version of the original standards for dimensional information.

The use of an inner ring is recommended for gaskets for use with PN100 Flanges an above.

Gasket dimensions are available to suit PN250 and above, consult the technical department.

Ref: EN1514-2 - standard

CG CGI

PN16

16. www.flexitallic.com

GENERAL NOTES

All dimensions are in mm amd inches.

*It is essential that Style R gaskets are fitted with a compression stop. Without a correctly dimensioned stop the gasket can easily be over-compressed resulting in failure. To provide a

compression stop the depth of the tongue, groove or recess should be controlled to provide optimum compressed gasket thickness with metal to metal contact on the flange faces.

There are three types of Style R gaskets:

(a) Style R-1 indicates gaskets for use with

large male and female flanges.*

(b) Style R-3 indicates gaskets for use with

large tongue and groove flanges.

small tongue and groove flanges.

*As a general rule, the use of Flexitallic Spiral

Wound Gaskets with small male and female

flange facings is not recommended.

Dimensional limitations established by the

proportions of the small tongue and groove

facings limit the possibility of increasing gasket

dimensions to improve the load carrying capacity

in the higher pressure series. For this reason, it is

suggested that large tongue and groove facings

be selected for new construction when class 900,

1500 and 2500 flanges are to be used.

DIMENSIONAL

DATA

STYLE R

Flexitallic dimensions for use with Male & Female and Tongue & Groove

ASME 16.5 & BS EN1092

Standard Style R gaskets embody all the

exclusive features of Flexitallic design for

keeping compression values in balance with

bolting and providing adequate resilience to

compensate for variable stresses encountered

in service. Standard Style R gaskets are

manufactured to a nominal thickness of .125"

(3.2mm). Optimum compression is in the range

of .090" to .100" (2.3mm to 2.5mm) thick.

STYLE R1 FOR LARGE MALE & FEMALE STYLE R3 FOR LARGE TONGUE & GROOVE STYLE R4 FOR SMALL TONGUE & GROOVE

NOMINAL

PIPE

SIZE

SEALING ELEMENT CLASS 150-1500 SEALING ELEMENT CLASS 2500 SEALING ELEMENT CLASS 150-2500 SEALING ELEMENT CLASS 150-2500

ID OD ID OD ID OD ID OD

¼ 0.50 12.7 1.00 25.4 ----0.50 12.7 1.00 25.4 ----

½ 1.00 25.4 1.38 34.9 0.19 20.6 1.38 34.9 1.00 25.4 1.38 34.9 1.00 25.4 1.38 35.1

¾ 1.31 33.3 1.69 42.9 1.06 27.0 1.69 42.9 1.31 33.3 1.69 42.9 1.31 33.3 1.69 42.9

1 1.50 38.1 2.00 50.8 1.25 31.8 2.00 50.8 1.50 38.1 2.00 50.8 1.50 38.1 1.88 47.8

1 ¼ 1.88 47.6 2.50 63.5 1.63 41.3 2.50 63.5 1.88 47.6 2.50 63.5 1.88 47.6 2.25 57.2

1 ½ 2.12 54.0 2.88 73.0 1.88 47.6 2.88 73.0 2.12 54.0 2.88 73.0 2.12 54.0 2.50 63.5

2 2.88 73.0 3.62 92.1 2.38 60.3 3.62 92.1 2.88 73.0 3.62 92.1 2.88 73.0 3.25 82.6

2 ½ 3.38 85.7 4.12 104.8 3.00 76.2 4.12 104.8 3.38 85.7 4.12 104.8 3.38 85.7 3.75 95.2

3 4.25 108.0 5.00 127.0 3.75 95.3 5.00 127.0 4.25 108.0 5.00 127.0 4.25 108.0 4.62 117.5

3 ½ 4.75 120.6 5.50 139.7 ----4.75 120.6 5.50 139.7 4.75 120.6 5.12 130.2

4 5.19 131.8 6.19 157.2 4.75 120.7 6.19 157.2 5.19 131.8 6.19 157.2 5.19 131.8 5.69 144.5

4 ½ 5.69 144.5 6.75 171.5 ----5.69 144.5 6.75 171.5 ----

5 6.31 160.3 7.31 185.7 5.75 146.1 7.31 185.7 6.31 160.3 7.31 185.7 6.31 160.3 6.81 173.0

6 7.50 190.5 8.50 215.9 6.75 171.5 8.50 215.9 7.50 190.5 8.50 215.9 7.50 190.5 8.00 203.2

8 9.38 238.1 10.62 269.9 8.75 222.3 10.62 269.9 9.38 238.1 10.62 269.9 9.38 238.1 10.00 254.0

10 11.25 285.8 12.75 323.9 10.75 273.1 12.75 323.9 11.25 285.8 12.75 323.9 11.25 285.8 12.00 304.8

12 13.50 342.9 15.00 381.0 13.00 330.2 15.00 381.0 13.50 342.9 15.00 381.0 13.50 342.9 14.25 362.0

14 14.75 374.6 16.25 412.8 ----14.75 374.6 16.25 412.8 14.75 374.6 15.50 393.7

16 16.75 425.4 18.50 469.9 ----16.75 425.4 18.50 469.9 16.75 425.4 17.62 447.5

18 19.25 489.0 21.00 533.4 ----19.25 489.0 21.00 533.4 19.25 489.0 20.12 511.2

20 21.00 533.4 23.00 584.2 ----21.00 533.4 23.00 584.2 21.00 533.4 22.00 558.8

24 25.25 641.4 27.25 692.2 ----25.25 641.4 27.25 692.2 25.25 641.4 26.25 666.8

INCHES MM

INCHES MM INCHES MM

INCHES MM

Style R-4 gaskets may be compressed an

additional amount when exposed to the higher

bolt loads, but not to the degree that the gasket

will be crushed due to the radial support

provided by the confining groove.

Special Style R gaskets are adaptable to

non-standard flanges and can be designed

and manufactured according to specifications

for high and low pressure applications and for

severe corrosive conditions.

When ordering special Style R gaskets for

non-standard flanges and for special

applications,contact the Applications

Engineering Team.

17.

DIMENSIONAL

DATA

SPIRAL WOUND GASKETS

Flexitallic dimensions for use with Large Male & Female

ASME B16.5

Standard RIR gaskets are manufactured to

0.125" (3.2mm) thickness. The gasket features

a solid metal inner ring nominally 0.090"

(2.3mm) thick, as an integrated part of its

design. The inner ring provides a positive

stop preventing the gasket from over

compression and possible damage.

Special styles are available in other thickness.

STYLE R1 FOR LARGE MALE AND FEMALE

ID ID OD ID OD

INNER RING SEALING ELEMENT CLASS 150 - 1500 SEALING ELEMENT CLASS 2500

NOMINAL

PIPE

SIZE

GENERAL NOTES

All dimensions in mm and inches.

Figures stated are for information only. Please refer to the current version of the original standards for dimensional information.

¼ - - 0.50 12.7 1.00 25.4 - - - -

½ 0.56 14.2 1.00 25.4 1.38 34.9 0.81 20.6 1.38 34.9

¾ 0.81 20.6 1.31 33.3 1.69 42.9 1.06 27.0 1.69 42.9

1 1.06 26.9 1.50 38.1 2.00 50.8 1.25 31.8 2.00 50.8

1 ¼ 1.38 34.9 1.88 47.6 2.50 63.5 1.63 41.3 2.50 63.5

1 ½ 1.63 41.3 2.12 54.0 2.88 73.0 1.88 47.6 2.88 73.0

2 2.06 52.4 2.88 73.0 3.62 92.1 2.38 60.3 3.62 92.1

2 ½ 2.50 63.5 3.38 85.7 4.12 104.8 3.00 76.2 4.13 104.8

3 3.06 77.8 4.25 108.0 5.00 127.0 3.75 95.3 5.00 127.0

3 ½ 3.56 90.5 4.75 120.6 5.50 139.7 ----

4 4.06 103.2 5.19 131.8 6.19 157.2 4.75 120.7 6.19 157.2

4 ½ 4.56 115.9 5.69 144.5 6.75 171.5 - - - -

5 5.06 128.6 6.31 160.3 7.31 185.7 5.75 146.1 7.31 185.7

6 6.06 154.0 7.50 190.5 8.50 215.9 6.75 171.5 8.50 215.9

8 8.00 203.2 9.38 238.1 10.62 269.9 8.75 222.3 10.62 269.9

10 10.00 254.0 11.25 285.8 12.75 323.9 10.75 273.1 12.75 323.9

12 11.94 303.2 13.50 342.9 15.00 381.0 13.00 330.2 15.00 381.0

14 13.50 342.9 14.75 374.6 16.25 412.8 ----

16 15.50 393.7 16.75 425.4 18.50 469.9 ----

18 17.50 444.5 19.25 489.0 21.00 533.4 - - - -

20 19.50 495.3 21.00 533.4 23.00 584.2 - - - -

24 23.50 596.9 25.25 641.4 27.25 692.2 --- -

INCHES MM

18. www.flexitallic.com

DIMENSIONAL

DATA

SPIRAL WOUND GASKETS

Dimensions to JIS B2404 for JIS B2220 & JIS B2238 - 2240 Flanges

NOMINAL BORE INNER RING ID (d1) SEALING ELEMENT ID (d2) SEALING ELEMENT OD (d3) CENTERING RING OD (d4)

mm 10K 16 to 30K 40K 63K 10K 16 to 30K 40K 63K 10K 16 to 30K 40K 63K 10K 16 to 30K 40K 63K

20K 20K 20K 20K

10 18.0 18.0 18.0 15.0 15.0 24.0 24.0 24.0 21.0 21.0 37.0 37.0 37.0 34.0 34.0 52.0 52.0 59.0 59.0 64.0

15 22.0 22.0 22.0 18.0 18.0 28.0 28.0 28.0 24.0 24.0 41.0 41.0 41.0 37.0 37.0 57.0 57.0 64.0 64.0 69.0

20 28.0 28.0 28.0 23.0 23.0 34.0 34.0 34.0 29.0 29.0 47.0 47.0 47.0 42.0 42.0 62.0 62.0 69.0 69.0 75.0

25 34.0 34.0 34.0 29.0 29.0 40.0 40.0 40.0 35.0 35.0 53.0 53.0 53.0 48.0 48.0 74.0 74.0 79.0 79.0 80.0

32 43.0 43.0 43.0 38.0 38.0 51.0 51.0 51.0 44.0 44.0 67.0 67.0 67.0 60.0 60.0 84.0 84.0 89.0 89.0 90.0

40 49.0 49.0 49.0 43.0 43.0 57.0 57.0 57.0 51.0 51.0 73.0 73.0 73.0 67.0 67.0 89.0 89.0 100.0 100.0 107.0

50 61.0 61.0 61.0 55.0 55.0 69.0 69.0 69.0 63.0 63.0 89.0 89.0 89.0 79.0 79.0 104.0 104.0 114.0 114.0 125.0

65 77.0 77.0 68.0 68.0 68.0 87.0 87.0 78.0 78.0 78.0 107.0 107.0 98.0 98.0 98.0 124.0 124.0 140.0 140.0 152.0

80 89.0 89.0 80.0 80.0 80.0 98.0 99.0 90.0 90.0 90.0 118.0 119.0 110.0 110.0 110.0 134.0 140.0 150.0 150.0 162.0

90 102.0 102.0 92.0 92.0 92.0 110.0 114.0 102.0 102.0 102.0 130.0 139.0 127.0 127.0 127.0 144.0 150.0 162.0 162.0 179.0

100 115.0 115.0 104.0 104.0 104.0 123.0 127.0 116.0 116.0 116.0 143.0 152.0 141.0 141.0 141.0 159.0 165.0 172.0 182.0 194.0

125 140.0 140.0 128.0 128.0 128.0 148.0 152.0 140.0 140.0 140.0 173.0 177.0 165.0 165.0 165.0 190.0 202.0 207.0 224.0 235.0

150 166.0 166.0 153.0 153.0 153.0 174.0 182.0 165.0 165.0 165.0 199.0 214.0 197.0 197.0 197.0 220.0 237.0 249.0 265.0 275.0

175 - - 202.0 202.0 202.0 201.0 - 218.0 218.0 218.0 226.0 - 250.0 250.0 250.0 245.0 - 294.0 315.0 328.0

200 217.0 217.0 251.0 251.0 251.0 227.0 233.0 271.0 271.0 271.0 252.0 265.0 311.0 311.0 311.0 270.0 282.0 360.0 378.0 394.0

225 - - 300.0 300.0 300.0 252.0 - 320.0 320.0 320.0 277.0 - 360.0 360.0 360.0 290.0 - 418.0 434.0 446.0

250 268.0 268.0 336.0 336.0 336.0 278.0 288.0 356.0 356.0 356.0 310.0 328.0 396.0 396.0 396.0 332.0 354.0 463.0 479.0 488.0

300 319.0 319.0 383.0 383.0 383.0 329.0 339.0 403.0 403.0 403.0 361.0 379.0 453.0 453.0 453.0 377.0 404.0 524.0 531.0 545.0

350 356.0 356.0 - - - 366.0 376.0 - - - 406.0 416.0 - - - 422.0 450.0 - - -

400 407.0 407.0 - - - 417.0 432.0 - - - 457.0 482.0 - - - 484.0 508.0 - - -

450 458.0 458.0 - - - 468.0 483.0 - - - 518.0 533.0 - - - 539.0 573.0 - - -

500 508.0 508.0 - - - 518.0 533.0 - - - 568.0 583.0 - - - 594.0 628.0 - - -

550 559.0 559.0 - - - 569.0 584.0 - - - 619.0 634.0 - - - 650.0 684.0 - - -

600 610.0 610.0 - - - 620.0 635.0 - - - 670.0 685.0 - - - 700.0 734.0 - - -

GENERAL NOTES

All dimensions are in mm.

Figures stated are for information only. Please refer to the current version of the original standards for dimensional information.

NOTES

With these dimensions the inner ring will not protrude into the bore of the pipe to be sealed.

CG CGI

19.

DIMENSIONAL

DATA

STYLE CG-RJ & CGI-RJ GASKETS

For use with ASME B16.5 and API 6A Ring Joint Flanges

CG-RJ and CGI-RJ Spiral Wound Gaskets

are designed for use, as a replacement

maintenance item, of standard oval and

octagonal ring joint gaskets. These gaskets are

available for NPS ½ to 24 and pressure classes

150 to 1500. Gasket thickness is 0.175" (4.5mm)

and the outer ring thickness is 0.125" (3.2mm).

Style CGI-RJ gaskets are fitted with an inner

ring 0.125 (3.2mm) thick. Flexitallic recommends

CGI-RJ gaskets for pressure classes 900 and

above, and where operating temperatures are

above 572 F (300 C). Consult our technical

department for CGI-RJ gasket dimensions.

GENERAL NOTES

All dimensions in inches.

Note: Clearance dimensions between flange faces

should be checked on close coupling pipework

prior to installation of CG-RJ and CGI-RJ gaskets to

ensure that optimum compression can be achieved

without over stressing bolts and or flanges.

It is the user’s responsibility to ensure that there

is sufficient clearance between the flange bore

and ring groove for proper seating of the gasket.

Dimensions are listed below for CG-RJ Spiral

Wound Gaskets. Flexitallic’s technical department

should be consulted for CGI-RJ and API gasket

sizes.

PRESSURE CLASS

ID OD OD ID OD OD ID OD OD ID OD OD ID OD OD ID OD OD

150 300 400 600 900 1500

NOMINAL

PIPE

SIZE

½ - - - 0.69 1.06 2.13 0.69 1.06 2.13 0.69 1.06 2.13 0.69 1.06 2.50 0.69 1.06 2.50

¾ - - - 0.88 1.31 2.63 0.88 1.31 2.63 0.88 1.31 2.63 0.88 1.38 2.75 0.88 1.38 2.75

1 1.13 1.63 2.63 1.13 1.63 2.88 1.13 1.63 2.88 1.13 1.63 2.88 1.13 1.63 3.13 1.13 1.63 3.13

1 ¼ 1.44 1.88 3.00 1.44 2.00 3.25 1.44 2.00 3.25 1.44 2.00 3.25 1.44 2.00 3.50 1.44 2.00 3.50

1 ½ 1.69 2.19 3.38 1.69 2.38 3.75 1.69 2.38 3.75 1.69 2.38 3.75 1.69 2.38 3.88 1.69 2.38 3.88

2 2.13 2.88 4.13 2.13 2.75 4.38 2.13 2.75 4.38 2.13 2.75 4.38 2.25 3.25 5.63 2.25 3.25 5.63

2 ½ 2.75 2.31 4.88 2.75 3.31 5.13 2.75 3.31 5.13 2.75 3.31 5.13 2.56 3.63 6.50 2.56 3.63 6.50

3 3.31 3.94 5.38 3.31 3.94 5.88 3.31 3.94 5.88 3.31 3.94 5.88 3.19 4.19 6.63 3.19 4.69 6.88

4 4.31 5.19 6.88 4.31 5.19 7.13 4.31 5.19 7.00 4.31 5.19 7.63 4.25 5.19 8.13 4.25 5.69 8.25

5 5.31 6.19 7.75 5.31 6.44 8.50 5.31 6.44 8.38 5.31 6.44 9.50 5.31 6.44 9.75 5.06 6.94 10.00

6 6.31 7.19 8.75 6.44 7.63 9.88 6.44 7.63 9.75 6.44 7.63 10.50 6.31 7.63 11.38 6.31 7.56 11.13

8 8.25 9.19 11.00 8.25 9.94 12.13 8.25 9.94 12.00 8.25 9.94 12.63 8.25 9.94 14.13 8.13 9.75 13.88

10 10.31 11.44 13.38 10.31 12.00 14.25 10.31 12.00 14.13 10.31 12.00 15.75 10.31 12.00 17.13 10.25 11.88 17.13

12 12.19 13.56 16.13 12.88 14.25 16.63 12.88 14.25 16.50 12.88 14.25 18.00 12.88 14.25 19.63 11.94 13.81 20.50

14 13.44 14.94 17.75 14.25 15.75 19.13 14.25 15.75 19.00 14.25 15.75 19.38 13.81 15.56 20.50 13.44 15.19 22.75

16 15.50 16.94 20.25 16.25 17.75 21.25 16.25 17.75 21.13 16.25 17.75 22.25 15.56 17.56 22.63 15.00 17.00 25.25

18 17.25 19.00 21.63 18.25 20.25 23.50 18.25 20.25 23.38 18.25 20.25 24.13 17.69 19.94 25.13 17.25 19.50 27.75

20 19.75 21.13 23.88 20.25 22.19 25.75 20.25 22.19 25.50 20.25 22.19 26.88 19.69 21.94 27.50 19.19 21.44 29.75

24 23.50 25.25 28.25 24.25 26.31 30.50 24.25 26.31 30.25 24.25 26.31 31.13 23.19 25.94 33.00 23.25 25.50 35.50

GASKET RING GASKET RING GASKET RING GASKET RING GASKET RING GASKET RING

20. www.flexitallic.com

This table shows the maximum bore of flanges for which the Spiral Wound gasket dimensions

shown are recommended considering the tolerances involved, possible eccentric installation,

and the possibility that the gasket may extend into the assembled flange bore.

No flanges

Use Class 1500

WN flange only

No flanges

WN flange with SW bore

(includes nozzle

but excludes SO flange)

WN Flange with

Schedule 80 bore

(excludes nozzle

and SO flange)

WN flange

only

SO flang

WN flange

SO flang

WN flange,

any bore

SO flange

WN flange,

any bore

No flanges

Use Class

600

WN flange with

Schedule 10S bore

described in ASME B36.19M

(includes nozzle

but excludes

SO flange)

WN flange with

Schedule 10S bore described

in ASME B36.19M

(excludes nozzle

and SO flange)

WN flange

only

SO flange

WN flange

SO flange

WN flange,

any bore

SO flange

WN flange, any bore

1/2

3/4

1-1/4

1-1/2

2-1/2

FLANGE

SIZE

(NPS)

NOTES

SO = slip on and threaded; WN = welding neck; SW = standard wall.

Inner rings are required for Class 900 gaskets, NPS 24; Class 1500 gaskets, NPS 12 through NPS 24; and Class 2500 gaskets; NPS 4 through NPS 12. These inner rings may extend

into the pipe bore a maximum of 0.06 inch (1.5 millimeters) under the worst combination of maximum bore, eccentric installation, and additive tolerances.

In these sizes the gasket is suitable for welding-neck flange with a standard-wall bore, if the gasket and the flanges are assembled concentrically. This also applies to nozzle.

It is the user's responsibility to determine if the gasket is satisfactory for a flange of any larger bore.

Gaskets in these sizes are suitable for slip-on flanges only if the gaskets and flanges are assembled concentrically.

A nozzle is a long welding neck; the bore equals the flange NPS.

An NPS 24 gasket is suitable for nozzles.

* Spiral Wound gasket dimensions for use on screwed or slip-on flanges.

DIMENSIONAL

DATA

MAXIMUM BORE OF ASME B16.5 FLANGES

For use with CG & CGI Spiral Wound Gaskets

75 150 300 400 600 900 1500* 2500*

No flanges

PRESSURE CLASS

21.

Assembly techniques.

Gasket Style Selection

Ensure that the correct style of

gasket has been selected for the

appropriate application.

All PTFE filled Spiral Wound Gaskets

for raised face and flat face flanges

should utilise an inner and outer

guide ring. When using Style ‘R’

Spiral Wound Gaskets ensure that

a compression stop is incorporated

into the flange arrangement.

Required Gasket Compression

For optimum sealing performance

Flexitallic Spiral Wound Gaskets

should be compressed to the

thicknesses shown in the table left.

Spiral Wound Gaskets with internal

or external guide rings i.e. Style CG

and CGI, should be fully compressed

to the guide ring. This will not

damage the gasket or affect the

sealing performance, since the rings

are provided as a compression

limiting stop.

Flanges

Check that the flange faces are clean, in good

condition and with a turned surface finish within

the following range Ra 3.2 to 6.3 micro metres

(125 to 250 micro inches).

Bolting

Ensure that the correct bolting material is utilised

to suit the operating conditions, taking into

account the limitation of low yield strength bolts.

Ensure that the use of bolt lubrication is employed.

For torque tightening methods Flexitallic

recommends the use of molybdenum disulphide

bolt lubrication or similar nickel based compound.

Do not apply any lubricants when using PTFE coated

fasteners. Consult with the coating manufacturers

for product specific friction coefficients

Tightening Procedures

Controlled tightening procedures should be used

when installing Spiral Wound Gaskets. Flexitallic

recommends that the use of hydraulic tensioning

equipment be considered where possible for

bolt diameters 1-

⁄4" and above. Please refer to

Flexitallic's Design Criteria for further technical

information.

TECHNICAL

INFORMATION

INITIAL GASKET

THICKNESS mm

RECOMMENDED COMPRESSED

THICKNESS mm

1. 6

1.3/1.4

2.5

1.9/2.0

3.2

2.3/2.5

4.5

3.2/3.4

6.4

4.6/5.1

7. 2

5.1/5.6

100

212 392 572 752 932 1112 1292

Carbon Steel

B8M

B16

B80A

B17/660

Temperature °F

Residual Stress (% of initial stress retained

after 1000 hours)

1472

100 (10)

80 (8)

60 (6)

40 (4)

20 (2)

54 (40) 81 (60) 108 (80) 136 (100) 163 (120)

Dry bolt with

no lubrication

As received

condition from

manufacturer

Lubricated with

molybdenum

disulphide

27 (20)

Torque Nm (lbft)

Load KN (tons)

STRESS RELAXATION OF BOLT STRESS & ALLOYS

AT UPPER TEMPERATURE LIMITS

THE IMPORTANCE OF BOLT LUBRICATION

REQUIRED GASKET COMPRESSION

22. www.flexitallic.com

INSTALLATION

PROCEDURES

In order to ensure the

optimum service life of

metallic gasket materials,

it is not only important to

choose the correct material

for the application but to

install and maintain it

correctly.

These guidelines are

designed to assist the

end user in the assembly

of gasket materials.

Installation of Metallic Gaskets

Flange Condition

• Remove the old gasket and check

that the flange faces are clean and free

from indentations and scoring. Radial

(cross face) scoring is a particular

concern and can lead to joint leakage

• For spiral wound gaskets, a surface

finish of between 3.2μm to 6.3μm Ra

(125 to 250 micro inch) is

recommended. Use a surface

comparator to check flange finishes.

• Check that the flange faces are parallel

or that the pipework is sufficiently

flexible to allow the flanges to be

pulled parallel and concentric without

excessive bolt loads.

Gasket

• Always use a new gasket

• Check that the gasket is in good

condition and that the dimensions are

correct for the class and size of the

flanges

• Do not use jointing compounds, grease

or lubricants with metallic gasket

materials. These compounds can affect

the contact friction between the gasket

and the flange and can lead to creep

and premature joint failure

• If there is a requirement to fix the

gasket to the flange prior to assembly

(e.g. large vertical flanges) then a light

dusting of spray adhesive e.g. 3M 77

spray may be used. The adhesive

should be applied sparingly and in

isolated areas, and must be compatible

with the fluid medium.

Bolting

• Ensure the bolt and nut threads are clean.

Apply bolt lubrication to the bolt and nut

threads and to the face of the nut to be

tightened. Do not apply grease or bolt

lubricant to the joint face. After cleaning

and lubrication it should be possible to run

the nut along the full length of the bolt by

hand. If this is not possible the bolts and

nuts should be refurbished or replaced

• Scrape, wire brush or file as necessary

the back face of each flange where the

bolt heads and nuts are to sit, ensuring

that the surfaces are clean and flat

• If possible use hardened flat washers to

ensure even transfer of the load.

Installation

• Ensure that the gasket is installed centrally

• It is recommended that the bolts are

tightened using a controlled method such as

torque or tension. If using a torque wrench,

ensure that it is accurately calibrated

• Tighten bolts in a star-like crossing

pattern in the following sequence

• Finger tighten nuts

• Tighten to 30% of the final load

• Tighten to 60% of the final load

• Tighten to full load

• Make a final tightening sequence, working

around the flange, tightening each bolt in

turn until the specified torque is achieved.

After Installation

Check that the flange faces are parallel using a

suitable tool e.g. the Flange Gap Tool, which is

available to purchase via The Academy of Joint

Integrity (www.academyofjointintegrity.com)

23.

TECHNICAL

INFORMATION

BOLTING DATA

For ASME B16.5 & BS 1560 Flanges

GENERAL NOTES

Flange Diameter and Bolt Diameter dimensions are in inches. Figures stated are for information only. Please refer to the current version of the original standards for dimensional information.

½ 3.50 4

⁄2 2.38 3.75 4

⁄2 2.62 3.75 4

⁄2 2.62

¾ 3.88 4

⁄2 2.75 4.62 4

⁄8 3.25 4.62 4

⁄8 3.25

1 4.25 4

⁄2 3.12 4.88 4

⁄8 3.50 4.88 4

⁄8 3.50

1 ¼ 4.62 4

⁄2 3.50 5.25 4

⁄8 3.88 5.25 4

⁄8 3.88

1 ½ 5.00 4

⁄2 3.88 6.12 4

⁄4 4.50 6.12 4

⁄4 4.50

2 6.00 4

⁄8 4.75 6.50 8

⁄8 5.00 6.50 8

⁄8 5.00

2 ½ 7.00 4

⁄8 5.50 7.50 8

⁄4 5.88 7.50 8

⁄4 5.88

3 7.50 4

⁄8 6.00 8.25 8

⁄4 6.62 8.25 8

⁄4 6.62

3 ½ 8.50 8

⁄8 7.00 9.00 8

⁄4 7.25 9.00 8

⁄8 7.25 9.00 8

⁄8 7.25

4 9.00 8

⁄8 7.50 10.00 8

⁄4 7.88 10.00 8

⁄8 7.88 10.75 8

⁄8 8.50

5 10.00 8

⁄4 8.50 11.00 8

⁄4 9.25 11.00 8

⁄8 9.25 13.00 8 1 10.50

6 11.00 8

⁄4 9.50 12.50 12

⁄4 10.62 12.50 12

⁄8 10.62 14.00 12 1 11.50

8 13.50 8

⁄4 11.75 15.00 12

⁄8 13.00 15.00 12 1 13.00 16.50 12 1

⁄8 13.75

10 16.00 12

⁄8 14.25 17.50 16 1 15.25 17.50 16 1

⁄8 15.25 20.00 16 1

⁄4 17.00

12 19.00 12

⁄8 17.00 20.50 16 1

⁄8 17.75 20.50 16 1

⁄4 17.75 22.00 20 1

⁄4 19.25

14 21.00 12 1 18.75 23.00 20 1

⁄8 20.25 23.00 20 1

⁄4 20.25 23.75 20 1

⁄8 20.75

16 23.50 16 1 21.25 25.50 20 1

⁄4 22.50 25.50 20 1

⁄8 22.50 27.00 20 1

⁄2 23.75

18 25.00 16 1

⁄8 22.75 28.00 24 1

⁄4 24.75 28.00 24 1

⁄8 24.75 29.25 20 1

⁄8 25.75

20 27.50 20 1

⁄8 25.00 30.50 24 1

⁄4 27.00 30.50 24 1

⁄2 27.00 32.00 24 1

⁄8 28.50

24 32.00 20 1

⁄4 29.50 36.00 24 1

⁄2 32.00 36.00 24 1

⁄4 32.00 37.00 24 1

⁄8 33.00

CLASS 150 CLASS 300 CLASS 400 CLASS 600

FLANGE NO. OF BOLT B.C. FLANGE NO. OF BOLT B.C. FLANGE NO. OF BOLT B.C. FLANGE NO. OF BOLT B.C.

DIAMETER BOLTS DIAMETER DIAMETER DIAMETER BOLTS DIAMETER DIAMETER DIAMETER BOLTS DIAMETER DIAMETER DIAMETER BOLTS DIAMETER DIAMETER

NOM

PIPE

SIZE

(inches)

GENERAL NOTES

Flange Diameter and Bolt Diameter dimensions are in inches. Figures stated are for information only.

Please refer to the current version of the original standards for dimensional information.

½ 4.75 4

⁄4 3.25 4.75 4

⁄4 3.25 5.25 4

⁄4 3.50

¾ 5.12 4

⁄4 3.50 5.12 4

⁄4 3.50 5.50 4

⁄4 3.75

1 5.88 4

⁄8 4.00 5.88 4

⁄8 4.00 6.25 4

⁄8 4.25

1 ¼ 6.25 4

⁄8 4.38 6.25 4

⁄8 4.38 7.25 4 1 5.13

1 ½ 7.00 4 1 4.88 7.00 4 1 4.88 8.00 4 1

⁄8 5.75

2 8.50 8

⁄8 6.50 8.50 8

⁄8 6.50 9.25 8 1 6.75

2 ½ 9.62 8 1 7.50 9.62 8 1 7.50 10.50 8 1

⁄8 7.75

3 9.50 8

⁄8 7.50 10.50 8 1

⁄8 8.00 12.00 8 1

⁄4 9.00

4 11.50 8 1

⁄8 9.25 12.25 8 1

⁄4 9.50 14.00 8 1

⁄2 10.75

5 13.75 8 1

⁄4 11.00 14.75 8 1

⁄2 11.50 16.50 8 1

⁄4 12.75

6 15.00 12 1

⁄8 12.50 15.50 12 1

⁄8 12.50 19.00 8 2 14.50

8 18.50 12 1

⁄8 15.50 19.00 12 1

⁄8 15.50 21.75 12 2 17.25

10 21.50 16 1

⁄8 18.50 23.00 12 1

⁄8 19.00 26.50 12 2

⁄2 21.25

12 24.00 20 1

⁄8 21.00 26.50 16 2 22.50 30.00 12 2

⁄4 24.38

14 25.25 20 1

⁄2 22.00 29.50 16 2

⁄4 25.00 ----

16 27.75 20 1

⁄8 24.25 32.50 16 2

⁄2 27.75 ----

18 31.00 20 1

⁄8 27.00 36.00 16 2

⁄4 30.50 ----

20 33.75 20 2 29.50 38.75 16 3 32.75 ----

24 41.00 20 2

⁄2 35.50 46.00 16 3

⁄2 39.00 ----

CLASS 900 CLASS 1500 CLASS 2500

FLANGE NO. OF BOLT B.C. FLANGE NO. OF BOLT B.C. FLANGE NO. OF BOLT B.C.

. DIAMETER BOLTS DIAMETER DIAMETER DIAMETER BOLTS DIAMETER DIAMETER DIAMETER BOLTS DIAMETER DIAMETER

NOM

PIPE

SIZE

(inches)

24. www.flexitallic.com

TECHNICAL

INFORMATION

FACING DIMENSIONS

For ASME B16.5 & BS 1560 Flanges

Class 150, 300, 400, 600, 900, 1500 and 2500

GENERAL NOTES

Flange Diameter and Bolt Diameter dimensions are in inches.

Figures stated are for information only.

Please refer to the current version of the original standards for dimensional information.

NOTES

1. Regular facing for class 150 and 300 steel flanged fittings and companion flange standards is a 0.06in raised face. Classes 400, 600, 900, 1500, and 2500

pipe flanges and fittings are regularly furnished with a 0.25in raised face. In all cases the raised face must be added to the minimum flange thickness.

2. Regular facing for class 400, 600, 900, 1500, and 2500 flange thickness dimensions.

3. Tolerance of plus or minus 0.016in. is allowed on the inside and outside diameters of all facings.

4. For small male and female joints care should be taken in the use of these dimensions to insure that pipe used is thick enough to permit sufficient bearing

surface to prevent the crushing of the gasket. The dimensions apply particularly on lines where the joint is made on the end of the pipe. Screwed companion

flanges for small male and female joints are furnished with plain face and are threaded with American Standard Locknut Thread.

5. Gaskets for male-female and tongue-groove joints shall cover the bottom of the recess with minimum clearances taking into account the tolerances

prescribed in Note 3.

½ 1.38 0.72 1.38 1.00 1.44 0.78 1.44 0.94 0.06 0.25 0.19

¾ 1.69 0.94 1.69 1.31 1.75 1.00 1.75 1.25 0.06 0.25 0.19

1 2.00 1.19 1.88 1.50 2.06 1.25 1.94 1.44 0.06 0.25 0.19

1-¼ 2.50 1.50 2.25 1.88 2.56 1.56 2.31 1.81 0.06 0.25 0.19

1-½ 2.88 1.75 2.50 2.12 2.94 1.81 2.56 2.06 0.06 0.25 0.19

2 3.62 2.25 3.25 2.88 3.69 2.31 3.31 2.81 0.06 0.25 0.19

2-½ 4.12 2.69 3.75 3.38 4.19 2.75 3.81 3.31 0.06 0.25 0.19

3 5.00 3.31 4.62 4.25 5.06 3.38 4.69 4.19 0.06 0.25 0.19

3-½ 5.50 3.81 5.12 4.75 5.56 3.88 5.19 4.69 0.06 0.25 0.19

4 6.19 4.31 5.69 5.19 6.25 4.38 5.75 5.12 0.06 0.25 0.19

5 7.31 5.38 6.81 6.31 7.38 5.44 6.88 6.25 0.06 0.25 0.19

6 8.50 6.38 8.00 7.50 8.56 6.44 8.06 7.44 0.06 0.25 0.19

8 10.62 8.38 10.00 9.38 10.69 8.44 10.06 9.31 0.06 0.25 0.19

10 12.75 10.50 12.00 11.25 12.81 10.56 12.06 11.19 0.06 0.25 0.19

12 15.00 12.50 14.25 13.50 15.06 12.56 14.31 13.44 0.06 0.25 0.19

14 16.25 13.75 15.50 14.75 16.31 13.81 15.56 14.69 0.06 0.25 0.19

16 18.50 15.75 17.62 16.75 18.56 15.81 17.69 16.69 0.06 0.25 0.19

18 21.00 17.75 20.12 19.25 21.06 17.81 20.19 19.19 0.06 0.25 0.19

20 23.00 19.75 22.00 21.00 23.06 19.81 22.06 20.94 0.06 0.25 0.19

24 27.25 23.75 26.25 25.25 27.31 23.81 26.31 25.19 0.06 0.25 0.19

OUTSIDE DIAMETER See note 3 OUTSIDE DIAMETER See note 3 HEIGHT

RAISED FACE,

LAPPED,

LARGE MALE,

& LARGE

TONGUES

See Note 5

NOM

PIPE

SIZE

(inches)

SMALL

MALE

See Notes

4 & 5

SMALL

TONGUE

See Note 5

I.D. OF

LARGE

& SMALL

TONGUE

See Notes

3 & 5

LARGE

FEMALE &

LARGE

GROOVE

See Note 5

SMALL

FEMALE

See Notes

4 & 5

SMALL

GROOVE

See Note 5

I.D. OF

LARGE

& SMALL

GROOVE

See Notes

3 & 5

RAISED

FACE CLASS

150 & 300

See Note 1

RAISED

FACE LARGE &

SMALL MALE

& TONGUE

CLASS 400, 600,

900, 1500 &

2500

See Note 2

DEPTH OF

GROOVE OR

FEMALE

25.

Heat Exchanger

Gaskets.

Exchanger Gaskets with Spiral Wound Outer Ring

(ALTERNATIVES HE-CG, HE-CGI)

Flexitallic special HE-CGI Gaskets with spiral wound

outer ring are primarily designed for TEMA male and

female flanges and are custom built to suit the design

conditions of individual heat exchanger vessels. These

gaskets are available in an extensive range of materials.

This style incorporates several special features,

as follows:

1. The outer wound nose to ensure correct sealing

element location in the flange recess.

2. A spiral wound sealing element to ensure a positive

seal under fluctuating temperature and pressure

conditions.

3. A solid metal inner ring to protect the sealing

element and act as a compression stop. As an

optional extra, inner rings can also be supplied with

nylon location screws to secure the gasket to the

flange on assembly.

4. Can be supplied with pass partition bars in any

configuration. Pass bars are secured to the inner ring

and can be supplied in either solid metal or double

jacketed construction.

SPECIAL APPLICATION

GASKETS

HEAT EXCHANGERS WITH FLAT FACE OR RAISED FACE FLANGES

SHOULD UTILISE STYLE CG AND CGI SPIRAL WOUND GASKETS

STYLE HX-RIR

26. www.flexitallic.com

SPECIAL APPLICATION

GASKETS

The carrier ring concept consists of a solid

metal ring with a machined recess in each

face. Spiral Wound Gaskets are then located

in each of the machined recesses.

This type of arrangement has been

successfully used in sealing problematic

flanges and vessels in the nuclear, power and

petrochemical industries. The major benefits

of the carrier ring assembly are due to the

double spiral wound gasket being present.

This results in a very high recovery gasket,

ensuring that the bolt load is maintained on

the sealing elements when arduous pressure

/ temperature cycling occurs in service, thus

maintaining a seal.

Carrier rings can be used on flat face, raised

face or tongue and groove type flange, as

well as non standard flange configurations.

They can be supplied for both small and large

diameter nominal bores up to class 2500

pressure rating. Carrier rings are also tailor

made to suit specific flange arrangements

and design conditions.

Carrier Ring

Gaskets.

Typical Applications

The carrier ring concept has been extensively

used in the power generation industries,

petrochemical and nuclear industries.

Typical applications are as follows:

Heat Exchanger

Operating Pressure: 2900 psi

Temperature: 200ºC

Tube Sheet

H.P. Heaters, Fossil Fired Generators,

H.O.T. Construction, Steam Service

Operating Pressure: 700 psi

Temperature: 370ºC

Materials Ultilised

316L/Flexicarb

17-7PH/Flexicarb

Inc X750 HT (Special high recovery material)

Catalytic Crackers

720ºC, Regenerators, 2980 mm OD

Hydrocarbon Service, Refineries

27.

Style LS

™

& LSI

Low Stress Range

of Spiral Wound

Gaskets.

The LS gasket offers the same high integrity seal

associated with the spiral wound gasket however,

the LS and LSI has been designed in such a way

that compression and sealing requirements are

achieved under very low seating stresses. These

gaskets are intended for use on class 150 and 300

applications, where customers traditionally do not

use Spiral Wound Gaskets due to concerns about

exceeding allowable design stresses.

The traditional spiral wound gasket has its steel

windings protruding above the compression stop;

this requires a significant loading stress to compress

the gasket to its optimum operating thickness.

The LS and LSI gaskets have only soft Flexicarb

or PTFE filler protruding above metal windings and

guide ring; therefore as the gasket is compressed,

the Flexicarb

or PTFE filler is readily compressed

thus producing the sealing mechanism at an earlier

stage as compared to the conventionally

manufactured spiral wound gasket.

The “LSI” gasket retains more of its initial

stress or tightness, even when subjected to

high temperatures, unlike PTFE sheet gaskets.

Available in a variety of metals, engineered

to suit specific applications.

GENERAL NOTES

Dimensions in mm.

Figures stated are for information only. Please refer to the current

version of the original standards for dimensional information.

Please select correct gasket style for your particular application.

See page 6 “Gasket Selection”.

LOWER BOLT STRESS-REDUCED

FUGITIVE EMISSIONS

Flexitallic recommend minimum bolt torque figures for

use with the ‘LSI’ gasket on ASME/B16.5 Flanges.*

Available with

Flexicarb,

Thermiculite™,

or PTFE filler

Low Stress

construction seals at

sheet gasket torques

Metallic centering

ring provides blowout

resistance and

compression stop

Colour coded and stamped

centering ring for easy

product identification

Spiral wound design

significantly reduces

gasket creep

Metallic inner ring

contains and protects

sealing elements

Patent #5161807/5275423

Traditional Spiral Wound Gasket

with Inner Ring

LSI Gasket LS Gasket

5000

4000

3000

2000

1000

0.5 1.0 1.5 2.0 2.5 3.0 3.5

1/16” PTFE Sheet

Temperature

LSI Gasket

Elapsed Test Time (hours)

Gasket Stress (psi)

4.0 4.5

Temperature (°F)

SPECIAL APPLICATION

GASKETS

FLEXITALLIC LSI VS. PTFE SHEET

800

700

600

500

400

300

200

100

NPS (in) N/m NPS (in) N/m

1/2 34 5 111

3/4 34 6 111

1 34 8 111

1 1/4 34 10 178

1 1/2 34 12 178

2 67 14 273

2 1/2 67 16 273

3 67 18 395

3 1/2 67 20 397

4 67 24 559

Note: Minimum Required torques may be even lower depending on

gasket size and bolt materials. Please contact Flexitallics Technical

Department for more information.

*Above torque values are for class 150 ASME flanges

Torque values for 300# available on request

28. www.flexitallic.com

Style M & MC & MCS

Spiral Wound Gaskets for Boiler

Manhole Cover Assemblies.

The Flexitallic manhole gasket spiral

constructions incorporate modified

compression values to provide seating

loads within the normal range of cover

assemblies.

Size/Range Specification

Available in circular, obround, and oval

shapes to suit standard manhole plate

configurations.

Style T

Spiral Wound Gaskets for Boiler Handhole and Tubecap

Assemblies.

The design features of the basic Flexitallic spiral wound

construction alleviate the need for sealing compound. Particularly

suitable where old and pitted faces have rendered other gaskets

ineffective.

Size/Range Specification

Available in several standard shapes:

Supplied in thicknesses of 3.2mm (0.125in.) or 4.5mm (0.175 in.).

The standard thickness of 4.5mm (0.175in.) is recommended for

use in assemblies where the seat is relatively broad and bolting

load is low.

SPECIAL APPLICATION

GASKETS

Gaskets for boiler handhole, tubecap and

manhole covers incorporating the unique

Flexitallic Spiral Wound profile and

specially manufactured with Flexicarb

filler, are ideal for corrosive, high

pressure or temperature duties.

Flexitallic’s anticipation of developments

in modern steam generating and

engineering equipment and ability to

design to specific requirements are the

guarantee of the perfect seal at minimum

maintenance cost with consistently high

standards of performance.

• High safety factor related to specific

operating conditions

• Compression loadings proportional to

safe stresses of cover assemblies

• Resilient under concentrated and

fluctuating loads

• Prolonged trouble-free service

• Reduced seat cleaning time

For Boiler Cap and

Manhole Cover

Assemblies.

Standard Style M Style T Pear Style T Square

Materials

Standard materials are Type 304 Stainless Steel

and Flexicarb windings. Special materials to suit

specific operating conditions are available.

To Order

With all orders or inquiries please submit

the following:

a) Name of boiler or equipment manufacturer

b) Gasket style

c) Dimensions of gasket

d) Gasket thickness

e) Flange width of gasket

f) Pressure service rating

g) Gasket material preference

29.

SPECIAL APPLICATION

GASKETS

Thermiculite

835 Spiral Wound Gasket

with Heat Treated Inconel X-750 Winding

Ethylene Cracker Unit

Thermiculite

835 Heat

Treated Inconel X-750

Spiral Wound Gasket.

Increased safety.

Proven results.

Proven cost savings.

Severe cyclic conditions?

For the most demanding cyclic conditions, the

choice is Flexitallic’s Thermiculite

835 Spiral

Wound Gasket with Heat Treated Inconel

X-750 winding.

Differential thermal expansion and contraction

of components in a bolted joint, due to the effects

of cyclic conditions, requires that extra resiliency

be built into the joint or the gasket to compensate

for fluctuating load conditions.

Normal gasket materials do not provide sufficient

resiliency, and therefore cannot compensate for

the adverse effects of cyclic conditions. Special

Heat Treated Inconel X-750 gasket materials have

been developed by Flexitallic to ensure that joint

integrity is maintained during thermal cycles.

In OEM and End User testing comparing the

performance of standard 316L SS windings

vs. Heat Treated Inconel X-750 windings

(precipitation hardened), HT Inconel X-750

winding material significantly increased the yield

strength resulting in increased springback before

leakage, or usable recovery.

Specify Flexitallic’s proprietary precipitation

hardened Inconel X-750 windings in

applications where there are concerns about:

• Cyclic conditions

• Differential thermal expansion

and contraction

• Radial shear

• Bolt relaxation

• Hot torquing

• Mating flanges of dissimilar metals

When ordering this material it is

important that you specify Precipitation

Hardened Inconel X750 Windings,

or Inconel X750HT.

FULL SCALE TEST RESULTS (AVERAGED)

GASKET DIMENSIONS 1032 x 1067 x 4.5

Winding Material 316L SS Heat Treated Inconel X-750

Initial Thickness 4.5 4.5

Compressed Thickness 3.1 3.1

Total Springback 0.3 0.3

Spingback to

Leakage @ 2500 psi 0.1 0.2

Test Pressure

30. www.flexitallic.com

SPECIAL APPLICATION

GASKETS

Low Emission Gasket.

The Flexitallic Low Emission gasket

is a high performance spiral wound gasket

that has been specially engineered to

exceed stringent oil and gas industry

fugitive emissions requirements, such

as those found in the Chevron Fugitive

Emissions Test (CFET).

Gaskets to suit standard ASME B16.5

and B16.47 flanged connections remain

diametrically unchanged and in this respect

are dimensionally compliant with ASME

B16.20. Enhanced sealing performance is

achieved by modification of the sealing

element. The key design features are

specification of the filler thickness range

0.36 to 0.41mm; ASME B16.20 does not

specify filler thickness and typically 0.5mm

thick is used. In addition filler protrusion is

specified to be within the range of 0.2 to

1.0mm above the metal winding; resulting

in a thicker sealing element.

Compression requirements for LE gaskets

are different from those specified in ASME

B16.20 that stipulates a compressed

sealing element

thickness for a given bolt stress

irrespective of pressure class. LE gaskets

are required to compress within specified

limits based on directly applied gasket

stress. Gaskets made to LE construction

requirements are designed to compress

to between 0.76 and 1.27mm above the

guide ring thickness when subjected to

a compressive stress of 128 MPa

(see diagram A, left).

Independent testing in accordance

with the CEFT protocol has shown that

Flexitallic LE gaskets comfortably exceed

allowable fugitive emissions leakage

levels. Leakage testing of ASME Class 150

CGI spiral wound gaskets in accordance

with the PVRC ROTT procedure shows that

Flexitallic LE gaskets require significantly

lower bolt stress to achieve a T3 tightness

class (see diagram B, below).

For more information regarding Flexitallic

Low Emission spiral wound gaskets please

contact the Flexitallic Applications

Engineering Team.

450

400

350

300

250

200

150

100

⁄2

⁄4

⁄2

2 3 4 6 8 10 12 14 16 18 20 24

Nominal Pipe Size (NPS) inches

Bolt Stress (MPa)

150

T - Guide ring thickness

Defection (mm)

Gasket Stress (MPa)

DIAGRAM A

100

T +0.76

T +1.27

Compression Range

128

B: STD SWG V LE SWG 150 CLASS FLANGE T3 PVRC TIGHTNESS

31.

SPECIAL APPLICATION

GASKETS

Any HF emissions are focused to the tagged

area where a reaction with the detector paint

can be easily observed. This concept has

been successfully field tested.

PTFE Channel Ring

Spiral Wound Gasket utilising PTFE

or Flexicarb filler materials

The Baker Gasket.

For HF Acid & other

hazardous chemical

applications.

Problem

A leak occurs on HF service

•

HF can attack the bolts causing bolt failure.

•

A small emission goes undetected.

Solution

•

Prevents HF attacking the bolts.

•

Early detection of small leaks.

•

Containment of HF emissions.

•

Improves maintenance (detect & repair).

•

Requires no modification to the flanges.

•

Designed to suit Class 150 & 300 flanges.

•

Contains no respirable fibers.

What are the benefits?

The Baker gasket offers the user the reliability of

a spiral wound gasket with the additional back-up

of an emissions containment system should a leak

occur. Reduced maintenance costs through an

improved ‘Detect & Repair’ program. Improvements

in plant operators Health & Safety profile.

A PTFE ring is attached to the external

guide ring. Any emissions will be

confined within the flange arrangement.

32. www.flexitallic.com

Flexitallic can offer

speciality training

and consultancy via

The Academy of

Joint Integrity.

Courses

Training can be delivered in a variety

of ways:

• At the Academy, utilising our purpose

built training centres

• At the clients premises, utilising mobile

training rigs and equipment

• At one of our training facilities in

Aberdeen, Teesside and Humberside

Benefits

• Legislation compliance

• Motivated workforce with

best practice skills

• Reduced costs with increased

asset integrity

• Access to the latest technical standards

and procedures

• Sealing and integrity modules providing

greater knowledge

• Alliance and structured support from a

world class technical / training team

For further information on the

range of courses available visit

www.academyofjointintegrity.com

Training Courses

The Academy of Joint Integrity offers

Accredited and Awareness Training

Courses to all personnel who are involved

in the assembly and tightening of flanged

bolted connections. Mentoring and

assessment programmes also complement

the training provision. All our training

courses are given by industry

professionals who themselves have

current and relevant industry-based

experience.

The Academy is a member of the Energy

Institute and has contributed to the latest

UK Oil and Gas best practice guidelines,

specific to Joint Integrity Management.

The Academy is also an active member

of an ASME sub-committee, developing

new initiatives for Pressure Boundary

Bolted Flange Joint Assembly.

Academy training courses incorporate

ECITB Mechanical Joint Integrity MJI10,

MJI18, MJI19, Energy Institute, European

(EN1591 part 4) and ASME PCC-1 2013

methods and procedures.

Location

The Academy has dedicated facilities

in Aberdeen, Teesside, Humberside

and West Yorkshire.

Training is also offered within our

overseas operations.

“Fundamental to successful

joint integrity is the training

of the personnel involved in

the process of inspection,

assembly and tightening

of bolted connections.

The Academy provides

a range of cost effective

tailored training courses to

suit the needs of the client

or contractor.”

Gary Milne

Technical Training Manager

THE ACADEMY OF

JOINT INTEGRITY

For more information on our range

of product and services please

visit www.flexitallic.com or

email [email protected]

PRODUCT

RANGE:

• Corriculite

• Change

™

Gasket

• Thermiculite

• I-Flex Isolation Kits

• Sigma

PTFE

• Flange Rescue Gaskets (FRG)

• Spiral Wound Gaskets

• Kammprole Gaskets

• Ring Type Joints

• HDS1 Insulating Kits

• Novus Sheet Jointing

• Cut Gaskets

• Solid Metallic Gaskets

• Compression Packings

• Academy of Joint Integrity

– Training

FLEX003–OCT2019–REV8

www.flexitallic.com

About The Flexitallic Group

The Flexitallic Group is a global leader in specialised

sealing solutions and products serving the oil and gas, power

generation, chemical and petrochemical industries in emerging

and developed markets. Focused on the upstream, downstream

and power generation sectors, it has operations in France, the

United States, Canada, Mexico, the United Kingdom, Germany,

Italy, Belgium, the United Arab Emirates, Thailand and China

plus a network of worldwide licensing partners and distributors.

www.theflexitallicgroup.com

FRANCE

Siem Supranite

a Flexitallic Company

31-33 Rue de Mogador

75009 Paris

FRANCE

Tel. +33 (0)1 48 88 88 88

Fax. +33 (0)1 47 66 88 44

www.siem.fr

UNITED KINGDOM

Flexitallic UK Ltd

Scandinavia Mill

Hunsworth Lane

Cleckheaton

West Yorkshire, BD19 4LN

Tel. +44 1274 851273

Fax. +44 1274 300303

www.flexitallic.com

Branches also in Aberdeen,

Middlesbrough, Ellesmere

Port and South West.

CANADA

Flexitallic Canada Ltd

4340 - 78 Avenue

Edmonton

Alberta, T6B 3J5

CANADA

Tel. +780 466 5050

Fax. +780 465 1177

www.flexitallic.com

SINGAPORE

Flexitallic Ltd

Singapore Branch

Level 42 Suntec Tower Three

8 Temasek Boulevard

SINGAPORE

038988

Tel. +65 68663638

www.exitallic.com

BENELUX

Flexitallic Benelux BVBA

Smallandlaan 21

2660 Hoboken

BELGIUM

Tel. + 32 3 369 19 68

www.flexitallic.com

UNITED STATES

Flexitallic US LLC

6915 Highway 225

Deer Park

Texas 77536

USA

Tel. +1 281 604 2400

Fax. +1 281 604 2415

www.flexitallic.com

UNITED ARAB EMIRATES

Flexitallic LLC

PO Box No. 6591-Al Jazeera

Plot 108, Road E, Al Hamra Industrial

Ras Al Khaimah

UNITED ARAB EMIRATES

Tel. +971 (0)7 243 4305

Fax. +971 (0)7 243 4306

www.flexitallic.com

GERMANY

Flexitallic GmbH

Halskestr. 4a

47877 Willich

GERMANY

Tel. +49 (0) 2154 95363-0

Fax. +49 (0) 2154 95363-29

www.flexitallic.com

CHINA

Flexitallic Gasket Technology

(Suzhou) Co., Ltd

Building A, 1868 Guangming Rd

Technological Development Zone

WuJiang Economic 215200

CHINA

Tel. +86 512 6303 2839

Fax. +86 512 6303 2879

www.flexitallic.com

UNITED STATES

Custom Rubber Products

2625 Bennington

Houston

Texas 77093

USA

Tel. +1 713 691 2211

Fax. +1 713 691 3005

www.customrubber.com

ITALY

Flexitallic Italy Sr.l

Via Leonardo Da Vinci 6B

26020 Ticengo CR

ITALY

Tel. +39 0374 71006

Fax. +39 0374 71277

www.flexitallic.com

THAILAND

Flexitallic Sealing

Technology Co Ltd

No. 7/456, Moo 6,

Amata City Rayong Industrial Estate

Mabyangporn Sub-district

Pluak Daeng District,

Rayong Province

THAILAND

Tel. +66 (0)33017561 ~ 3

Fax. +66 (0)33017564