| Commdity |
Pressure(kgf/cm3) |
Temp ºC | Leakage rate | Min Pretight | Factor |
|
spiral wound gasket filled with expanded graphite |
(under hot water,oil,etc.)300 |
in oxidizing media |
1.0x105cm3/s | 400kgf/cm2 | 2.5~3 |
|
(under vapor oil,gases,etc.)200 |
in non-oxidizing media-240~800 | ||||
|
spiral wound gasket filled with asbestos |
150 | -150~450 | 1.0x104cm3/s | 500kgf/cm2 | 3~4 |
|
spiral wound gasket filled with PTFE |
150 | -200~250 | 1.0x105cm3/s | 400kgf/cm2 | 2.5~3 |