Maximum pressure | Type of jointing | Temperature range | Services | Applications | Type of flange | |
kgf/cm² | lbf/in² | °C | ||||
500 | 7,350 | Graphite With Reinforcement | -200 to +900 | Steam, Refinery, Foodstuffs | Process Plant, Pump/Gear Case | Good machine finish |
350 | 5,000 | Spiral Wound Gaskets | -200 to +1000 | cSuper Heated Steam, Water, Oil, Solvents | Super Heaters, Heat Exchangers, Autoclaves, Boiler Tube, Manhole, Handhole & Mud Drum Covers, Pipe Flanges | Good machine finish, High bolt loads |
300 | 4,400 | Graphite Without Reinforcement | -200 to +2000 | Chemical, Petroleum, Steam, Refinery, Foodstuffs | Heat Exchangers, Autoclaves, Cylinder Head, Process Plant, Pump/Gear Case | Good machine finish |
280 | 4,000 | Corrugated and Solid Metal | -20 to +450 | Steam, Gases, Hydraulic, Oxygen | Pipe Flanges, Process Plant, Diesel Engines, Air Compressors, Valve Bonnets | Rough or uneven surfaces, Medium to high bolt loads |
140 | 2,000 | Camprofile | -200 to +500 | Steam, Water, Oil, | Compressors, Pumps, Process Plant | Good machine finish |
100 | 1,400 | Compressed Synthetic Fibre | -140 to +400 | Gases, Chemicals | Pressure Vessels, Marine Equipment, Process Plant | Recommended medium to high bolt loads |
35 | 500 | Metal Clad Synthetic Filler | -20 to +650 | Steam, Hot Water, Hot Gases, Some Chemicals | Inlet and Exhaust Manifold, Heat Exchangers, Evaporators, Soot Blowers, Automotive Engines | Good machine finish |
35 | 500 | Natural and Synthetic Rubbers | -30 to +100 | Water, Low Pressure Steam, Foodstuffs, Air, Gas, Acid, Chemicals | Pumps, Compressors, Marine and Process Plants, Pipe Flanges | Rough, pitted, uneven surfaces, Low bolt loads |
20 | 300 | Vegetable and Vulcanised Fibre | -50 to +120 | Oil, Petrol, Benzol, Most Solvents | Carburettors, Sumps, Gear Boxes, Pump Casings, Pipe Flanges | Narrow, light flanges, Low bolt loads |
17.5 | 250 | PTFE Cord Seal | -100 to +250 | Corrosive Fluids and Gases | Large Pump Casings, Chemical and Food Processing Plant, Large Diameter Pipe Flanges | Rough, pitted, uneven flanges, Low bolt loads |
1.75 | 25 | Synthetic Rubber, Bonded Cork | -50 to +120 | Water, Oil, Gases, Ozone, Solvents | Electrical Transformers, Motors, Switch Box Covers, Compressors, Filtration Equipment, Agricultural and Marine Plant, Aircraft and Automotive Parts, Refrigerators | Narrow, light flanges, Low bolt loads |