| SEAT SELECTION GUIDE Seat Material Selection Guide for Valve
1: Excellent 2: Good 3:Fair 4:Poor - : Insufficient Data
|
EPDM |
BUNA-N |
Viton |
Neoprene |
PTFE |
| Acetone |
1 |
4 |
- |
3 |
1 |
| Acetylene |
- |
4 |
- |
3 |
1 |
| Air(dry) |
1 |
1 |
1 |
1 |
1 |
| Alumina |
1 |
1 |
2 |
1 |
1 |
| Amines |
2 |
2 |
- |
- |
1 |
| Ammonia,Solution |
2 |
2 |
- |
- |
1 |
| Ammonia Phisphate |
1 |
1 |
1 |
1 |
1 |
| Burium Chloride |
1 |
1 |
- |
1 |
1 |
| Benzaldehyde |
2 |
4 |
- |
4 |
1 |
| Butadience |
- |
1 |
1 |
3 |
1 |
| Calcium Chloride |
1 |
1 |
- |
1 |
1 |
| Calcium Hypochloride |
- |
3 |
- |
3 |
1 |
| Carbon Disufide |
4 |
4 |
1 |
4 |
1 |
| Carbonic Acid |
- |
1 |
- |
1 |
1 |
| Creosole |
2 |
4 |
3 |
- |
1 |
| Cyclohexane |
4 |
4 |
1 |
4 |
1 |
| Diesel Fuels |
4 |
2 |
1 |
- |
1 |
| Ethylene Oxide |
- |
4 |
3 |
4 |
1 |
| Fuel Oil |
4 |
2 |
- |
3 |
1 |
| Gasoline |
4 |
2 |
1 |
- |
1 |
| Glycerine |
1 |
1 |
1 |
- |
1 |
| Hexane |
4 |
2 |
1 |
3 |
1 |
| Hydrogen |
1 |
1 |
1 |
1 |
1 |
| Isopropyl Ether |
4 |
1 |
1 |
3 |
1 |
| Mercury |
- |
1 |
1 |
1 |
1 |
| Natural Gas |
- |
2 |
1 |
1 |
1 |
| Oxygen |
1 |
1 |
1 |
1 |
1 |
| Ozone |
1 |
3 |
- |
2 |
1 |
| Sea Water |
1 |
1 |
1 |
1 |
1 |
| Sewage |
1 |
1 |
1 |
1 |
1 |
| Steam 250°F(121 ºC) |
2 |
4 |
4 |
4 |
1 |
| Sulfer |
2 |
4 |
2 |
4 |
|
