caf-gaskets

CAF Gaskets

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Product Description

Historycally compressed Asbestos Fibre (CAF) has been material of choice for “SOFT” gasket materials. It is regarded as easy to use and very tolerant of abuse, for which it was recognized as very forgivings it is used to seals almost all applications grades available with us, W1, W2, W3, B/S, O/1, O/2. A/1 metallic and non-metallic materials

GRADE APPLICATION Temp. And Pressure
IS2712/1998 VV/1 Water, steam and for some chemical high service conditions Upto350°C and 130  Bar
IS2712/1998 VV/2 Water, steam and for some chemical medium service condition Upto 350°C and 40 Bar
IS2712/1998 VV/3 Water, steam and for some chemical low service condition Upto250°C and 30 Bar
IS2712/1998O/1 Oils – high service conditions Upto 350°C and 130 Bar
IS2712/1998O/2 Oils – medium and nominal service conditions Upto 300°C and 80 Bar
IS2712/1998 A/1 Acids – highly corrosive Upto 250°C and 100 Bar

 

Nominal Pipe Size Inside Diameter OUTSIDE DIAMETER
Class 150 Class 300 Class 400 Class 600 Class 900
mm mm mm mm mm mm
1/2 21.4 47.6 54 54.0 54.0 63.5
3/4 27.0 57.2 66.7 66.7 66.7 69.9
1 33.3 66.7 73.0 73.0 73.0 79.4
1 1/4 42.1 76.2 82.6 82.6 82.6 88.9
1 1/2 48.4 85.7 95.3 95.3 95.3 98.0
2 60.3 104.8 111.1 111.1 111.1 142.0
2 1/2 73.0 123.8 130.2 130.2 130.2 165
3 88.9 136.5 149.2 149.2 149.2 168
3 1/2 101.6 161.9 165.1 161.9 161.9
4 114.3 174.6 181.0 177.8 193.7 206
5 141.3 196.9 215.9 212.7 241.3 274
6 168.3 222.3 250.8 247.7 266.7 288
8 219.1 279.4 308.0 304.8 320.7 358
10 273.1 339.7 361.9 358.8 400.0 435
12 323.9 409.6 422.3 419.1 457.2 498
14 355.6 450.8 485.8 482.6 492.1 520
16 406.4 514.3 539.7 536.6 565.1 574
18 457.2 549.3 596.9 593.7 612.8 638
20 508.0 606.4 654.0 647.7 682.6 698
24 609.6 717.5 774.7 768.3 790.6 838
* Class 1500 rating is no longer specified in ASME B16.21