Pressure Self Sealing Check Valve
| Part name | Standard material | Low temperature environment |
Stainless steel material | High temperature environment |
Acidic environment |
|---|---|---|---|---|---|
|
Body |
ASTM A216 WCB |
ASTM A351 CF8M |
ASTM A352 LCC |
ASTM A217 WC9 |
ASTM A216 WCB |
|
Seat ring |
ASTM A105N+STL.6 |
ASTM A182 F316 |
ASTM A350 LF2+STL.6 |
ASTM A182 F22+STL.6 |
ASTM A105N+STL.6 |
|
Clack |
ASTM A216 WCB+Cr13 |
ASTM A351 CF8M |
ASTM A352 LCC+Cr13 |
ASTM A217 WC9+Cr13 |
ASTM A216 WCB+Cr13 |
|
Hinge |
ASTM A216 WCB |
ASTM A351 CF8M |
ASTM A352 LCC |
ASTM A217 WC9 |
ASTM A216 WCB |
|
Gasket |
Stainless steel/Graphite |
Stainless steel/Graphite |
Stainless steel/Graphite |
Stainless steel/Graphite |
Stainless steel/Graphite |
|
Pin |
ASTM A182 F6a |
ASTM A276 316 |
ASTM A276 304 |
ASTM A276 304 |
ASTM A276 410(NACE) |
|
Disc nut |
ASTM A276 410 |
ASTM A276 316 |
ASTM A276 304 |
ASTM A276 304 |
ASTM A276 410(NACE) |
|
Rod collar |
ASTM A276 410 |
ASTM A182 F316 |
ASTM A182 F304 |
ASTM A182 F304 |
ASTM A182 F6a(NACE) |
|
Axle pin |
ASTM A182 F6a |
ASTM A182 F316 |
ASTM A182 F304 |
ASTM A182 F304 |
ASTM A182 F6a(NACE) |
|
Baffle plate |
ASTM A276 410 |
ASTM A182 F316 |
ASTM A182 F304 |
ASTM A182 F304 |
ASTM A182 F6a(NACE) |
|
Cover |
ASTM A105N |
ASTM A182 F316 |
ASTM A350 LF2 |
ASTM A182 F22 |
ASTM A105N |
|
*Sealing ring |
SS304+ Graphite |
SS316+ Graphite |
SS304+ Graphite |
SS304+ Graphite |
SS304+ Graphite |
|
Locating ring |
ASTM A276 410 |
ASTM A182 F316 |
ASTM A182 F304 |
ASTM A182 F304 |
ASTM A276 420(NACE) |
|
Bonnet nut |
ASTM A194 2H |
ASTM A194 8 |
ASTM A194 7 |
ASTM A194 4 |
ASTM A194 2HM |
|
Bolt |
ASTM A193 B7 |
ASTM A193 B8 |
ASTM A320 L7 |
ASTM A193 B16 |
ASTM A193 B7M |