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Forged steel self-sealing lift check valve

Forged steel self-sealing lift check valve

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Forged Steel Valve
Describe

 

Standard material schedule

Serial number Part Name CStoASTM AStoASTM SStoASTM
A105 F22 F304(L) F316(L)
1 Valve body A105 A182F22 A182F304(L) A182F316(L)
2 Valve flap A276 420 A276304 A276304(L) A276316(L)
3 Seal nut A105+STL F22+STL A182 F304(L) F316(L)
4 Seal ring A276 304L A276 304L A182F304(L) A276 316L
5 Fixing nut A1942H A1944 A1948 A194 8M
6 Lifting bolt A1942H A1944 A1948 A194 8M
Applicable medium Water, steam, oil, etc. Water, steam, oil, etc. Nitric acid, acetic acid, etc.
proper temperature —29℃~425℃ —29℃~550℃ —29℃~200℃
Note: Other materials required by the customer are also available. The sealing surface material pairing is determined by the customer specified internal code.
 
CS=carbon steel; AS=alloy steel; SS=stainless steel;

 

size(MM)

NPS 1/2" 3/4" 1" 1/4" 11/2" 2"
L 900LB~1500LB 140 140 140 178 178 216
2500LB 186 186 186 232 232 279
H 117 117 117 152 152 195