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Pressure self sealing check valve
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Consultation Hotline:
Product characteristics
technical specifications
Product parameters
Part name | Standard materials | low-temperature environment | Stainless steel | high temperature environment | acidic environment |
|---|---|---|---|---|---|
valve 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 |
Valve flap | 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 |
shim | Stainless steel and graphite | Stainless steel and graphite | Stainless steel and graphite | Stainless steel and graphite | Stainless steel and graphite |
pin | ASTM A182 F6a | ASTM A276 316 | ASTM A276 304 | ASTM A276 304 | ASTM A276 410(NACE) |
Valve disc nut | ASTM A276 410 | ASTM A276 316 | ASTM A276 304 | ASTM A276 304 | ASTM A276 410(NACE) |
Rod neck ring | ASTM A276 410 | ASTM A182 F316 | ASTM A182 F304 | ASTM A182 F304 | ASTM A182 F6a(NACE) |
Pivot pin | ASTM A182 F6a | ASTM A182 F316 | ASTM A182 F304 | ASTM A182 F304 | ASTM A182 F6a(NACE) |
barrier | ASTM A276 410 | ASTM A182 F316 | ASTM A182 F304 | ASTM A182 F304 | ASTM A182 F6a(NACE) |
cover plate | 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 |
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