Grooved Style Gasket Grade Index & Recommendation
The Lists are provided as an aid in selecting the optimum gasket grade for a specific application to assure the maximum service life.
The recommendations have been developed from current information supplied by manufacturers of the elastomers, technical publications and industry applications. The Information supplied should be considered as a basis for evaluation but not as a guarantee.
Description
| STANDARD GASKETS | ||||
| Grade | Temp Range | Compound | Colour Code | General Service Applications |
| E | -4°C to +148°C | EPDM | Green | Water, dilute acids, alkalises salts & many chemical services not involving hydrocarbons, oils or gasses. Excellent oxidation resistance. NOT FOR USE WITH HYDROCARBONS |
| T | -7°C to +82°C | NITRILE
(Buna-N) |
Orange | Petroleum products, vegetable oils, mineral oils & air contaminated with petroleum oils. NOT FOR USE IN HOT WATER SERVICES |
| SPECIAL GASKETS | ||||
| Grade | Temp Range | Compound | Colour Code | General Service Applications |
| O | +7°C to +148°C | Fluoro
Elastomer |
Blue | High temperature resistance to oxidizing acids, petroleum oils, hydraulic fluids, halogenated hydrocarbons & lubricants. |
| T | -40°C to +200°C | Silicone | White/ Clear | Dry, hot air & some high temperature chemical services. |
| WATER & AIR | PETROLEUM PRODUCTS | |||
| Service | Gasket Grade | Service | Gasket Grade | |
| Air, (no oil vapors) Temp. -40°C to 110°C | E | Crude Oil – Sour | T | |
| Air, (no oil vapors) Temp. -40°C to 177°C | L | Diesel Oil | T | |
| Air, oil vapor Temp. -29°C to 66°C | T | Fuel Oil | T | |
| Air, oil vapor Temp. -7°C to 149°C | O | Gasoline, Leaded | T | |
| Water, Temp to 66°C | E/T | Gasoline, Unleaded | (O) | |
| Water, Temp to 110°C | E | Hydraulic Oil | T | |
| Water, Acid Milne | E/T | JP-3, JP-4 and JP-5 | T/O | |
| Water, chlorine | (E/O) | JP-6, 38°C Max Temperature | O | |
| Water, Dionised | E/T | Kerosene | T | |
| Water, Seawater | E/T | Lube Oil, to 150°C | T | |
| Water, Waste | E/T | Motor Oil | T | |
| Water, Lime | E/T | Tar and Tar Oil | T | |
| Transmission Fluid – Type A | T | |||
| Turbo Oil #15 Diester Lubricant | T | |||
