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CAF & Non Asbestos ga skets are Die cut, Circle cut and cut as per drawings and samples from gasket jointing sheets.

Gasket Jointing sheets are manufactured from carefully selected chrysolite fibre & properly blended with suitable heat resisting binders & fillers and vulcanized into sheets of homogeneous composition and uniform thickness.

The seal is affected by the yielding or the flow of the gasketing material into the imperfection of the matting surfaces leaving no pathways exist for escape of the confined media.
    

Parameter for selecting gasketing material with its grade depends on
1 Type of confined media and its purity
2 Working conditions with continuous temperature and pressure.
3 Gasketing area and its design
4 Gaskets and bolt configuration with torque applied
5 Flange surface furnished etc

Operating conditions and grade of gasketing materials
Selection of gasketing material with its grade and style for perfect seal depends on variations in temperature & pressure along with working conditions. As per IS 2712, - 1998 following grades are specified for different working applications
Grade Applications COMMONLY AVAILABLE MATERIALS STATICS
Max TempC Max Pressure Kg/Cm2 CAF Non Asbestos
IS2712/1998 W/1

Temp Up to 350 C Pres 130 Bar
Against High pressure, Super heated and saturated stem, Gases, Alkalis, Weak Acids , Oils, Solvents, Alcohols & Most chemicals with high service conditions 550 N/M 150 Kg AMJ - 535 Ultra Style 54 Super Spitman - 54 Super Klingrite 3xA Klingrite 3xA Universal Ferolite IT 300/400 AF - 154 Spitmaan 154 NAM - 32
IS2712/1998 W/1

Metallic
Most Gases & Fluids under high pressure & Vibrating conditions, H P Steam, Per Combustion Engines & Air Compressor with higher conditions 600 M 180 Kg AMJ 545 Metallic Style 54 Metallic Spitman 54 Supermetallic Klingrite 1000 Ferolite IGV / IS AF 154 Spitmaan 154 Metallic Klingrite 4430 Klingersel 4430 NAM 32 CR
IS2712/1998 W/2

Temp Up to 350 C
Pres 40 Bar
Wet steam, Water, Gases, Alkaline, Chemicals in Medium Service Conditions 450 N/M 500 M 85 N/M 105 M AMJ 391 Style 39 Spitman Style 39 Ferolite Extra Red/Graphited M/NM AF 139 Spitmaan 139 Fysax, AF 1391 Klingersel 4400 Ferolite NAM 30
IS2712/1998 W/3

Temp 250 C
Pres 30 Bar
Steam, Water, Gases, Alkalis & Many Chemicals with Low Service Conditions 440 - N/M 480 MC 150 Kg AMJ 341 Style 51 Spitman 51 AF 151 Spitman AF151 Klingersel 6307 Fysax AF 1341
380 NM 420 M 40 N/M 45 M AMJ 321 Style 20 Spitman 20 Klinger 200 (Red & Grey) Klinger - 80 Ferolite - 333 AF 120 Spitman AF120 Klingerit 4243 NAM - 37 Fysax AF 1321
IS2712/1998 O/1 & W/1

Temp Up to 350 C
Pres 130 Bar
Hot Oils, Petroleum, Distillates, Solvencies, Refrigeration's etc in high service conditions coal distillation solvents & Refrigeration Plants 550 N/M 550 M 150 N/M 160 M AMJ 429 Oil Style 59 Oil Spitman 59 Oil AMJ 410 Klingrite Oilit 3XA Ferolite Special AF 159 Spitman AF159 Klingerit 4500 NAM 32 Fysax AF 1429
IS2712/1998 O/2 & W 2

Temp 300 C
Pres 80 Bar
Oils Medium & Nominal Service condition 450 N/M 500 M 85 N/M 105 M AMJ - 391 Klinger - SOE  
IS2712/1998 A/1

Temp 250 C
Pres 100 Bar
Acids, Organic, Inorganic Materials under hot & Cold Conditions 220 N/M 150 N/M AMJ 493 Acid, Style 60 Acid Spitmaan 60 Acid Klinger Acidit Plus Ferolite Acid AF 160 Spitman 160 KlingerC 8200
The temperature and pressure recommended above are for design purpose only and details are taken from jointing sheets manufacturer's catalogues and are not part of the quality assurance test.