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Forged Steel Check Valve

forged steel check valve
Forged Steel Check Valve











​Size：1/2~3”(DN15~DN80)
Rating：150~2500LB(PN16~PN420)
Body Materials：A105N, LF2, F11, F22, F304, F316, F304L, F316L, F317, F321, F347, INCONEL, MONEL,
End connection：NPT, SW, RF, RJT, BW

Design & Manufacturing Standard：API 602，ASME B16.34
Structure Length Size：ASME B16.10，EN558
Flange Connection Size：ASME B16.5，EN1092
Welded Ends：ASME B16.25，ASME B16.11，ASME B1.20.1
Check & Experiment：API 598，BS 6755，EN12266
Material Specification
NO. Part Name CS to ASTM AS to ASTM SS to ASTM
Type A105 Type F22 Type F304(L) Type F316(L)
1 Body A105 A182 F22 A182 F304(L) A182 F316(L)
2 Seat A276 410 A276 304 A276 304(L) A276 316(L)
3 Swing Disc A276 420 A276 304 A276 304(L) A276 316(L)
4 Nut A194 2H A194 4 A194 8 A194 8M
5 Hinge A105 A182 F22 A182 F304L A182 F316(L)
6 Gasket Corrugated SS+Graphite SS+PTFE
7 Bonnet A105 A182 F22 A182 F304L A182 F316(L)
8 Bolt A193 B7 A193 B16 A193 B8M A193 B8M
9 Pin A276 420 A182 F304 A182 F316
Suitable Medium W.O.G.etc W.O.G.etc HNO 3 ,CH 3 OOH etc
Suitable Temperature -29℃～425℃ -29℃～550℃ -29℃～180℃
Main Dimensions
NPS 3/8" 1/2" 3/4" 1" 11/4" 1/2" 2"
L 800Lb 79 79 92 111 120 120 140
900Lb～1500Lb 92 111 111 120 120 140 178
H 800Lb 61 61 78 84 101 120 133
900Lb～1500Lb 79 79 79 97 105 120 140
Weight 800Lb 1.1 1 1.9 3.9 4.5 7.3 10
900Lb～1500Lb 3.1 3 3.6 4.3 6.1 8.8 12.6
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