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Pressure self sealing shut-off valve
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Product characteristics
technical specifications
Product parameters
*Sealing ring: 4 inches and below stainless steel+graphite; Stainless steel over 4 inches
| part | 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 |
Valve flap | ASTM A105N+STL.6 | ASTM A182 F316+STL.6 | ASTM A350 LF2+STL.6 | ASTM A182 F22+STL.6 | ASTM A105N+STL.6 |
valve stem | ASTM A182 F6a | ASTM A182 F316 | ASTM A182 F304 | ASTM A182 F6a | ASTM A182 F6a(NACE) |
Packing gland | ASTM A182 F6a | ASTM A182 F316 | ASTM A182 F304 | ASTM A182 F6a | ASTM A182 F6a(NACE) |
*Sealing ring | Stainless steel and graphite | Stainless steel and graphite | Stainless steel and graphite | Stainless steel and graphite | Stainless steel and graphite |
support | ASTM A216 WCB | ASTM A351 CF8M | ASTM A352 LCC | ASTM A217 WC9 | ASTM A216 WCB |
pendant collet | ASTM A182 F6a | ASTM A182 F316 | ASTM A182 F304 | ASTM A182 F6a | ASTM A182 F6a(NACE) |
filler | graphite | graphite | graphite | graphite | graphite |
Gland | ASTM A276 410 | ASTM A276 316 | ASTM A276 304 | ASTM A276 410 | ASTM A276 410 |
Packing plate seat | ASTM A216 WCB | ASTM A351 CF8M | ASTM A352 LCC | ASTM A217 WC9 | ASTM A216 WCB |
Steering joint bolt | ASTM A193 B7 | ASTM A193 B8 | ASTM A320 L7 | ASTM A193 B16 | ASTM A193 B7M |
Steering joint nut | ASTM A193 2H | ASTM A193 8 | ASTM A193 7 | ASTM A193 4 | ASTM A193 2HM |
stem nut | ASTM A439 D-2 | ASTM A439 D-2 | ASTM A439 D-2 | ASTM A439 D-2 | ASTM A439 D-2 |
Handwheel cover | ASTM A29 1025 | ASTM A29 1025 | ASTM A29 1025 | ASTM A29 1025 | ASTM A29 1025 |
Impact handwheel | nodular cast iron | nodular cast iron | nodular cast iron | nodular cast iron | nodular cast iron |
Impact block | ASTM A29 1045 | ASTM A29 1045 | ASTM A29 1045 | ASTM A29 1045 | ASTM A29 1045 |
Valve disc nut | ASTM A276 410 | ASTM A276 316 | ASTM A276 304 | ASTM A276 410 | ASTM A276 410(NACE) |
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No.28, Datong Road, Huqiu District, Suzhou City
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