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Welding type piston check valves 150Lb~1500Lb
Position: Valves Series > Forged Steel Valves


  Welding type piston check valves 150~1500Lb
Standard Material Specifications
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 Piston Disc A276 410 A276 304 A276 304(L) A276 316(L)
3 Gasket Corrugated SS + graphite SS + PTFE
4 Bonnet A105 A182 F22 A182 F304 L A182 F316(L)
5 Nameplate SS
6 Bolt A193 B7 A193 B16 A193 B8M A193 B8M
7 Ball A182 F304 A182 F304 A182 F304 A182 F304
Suitable Medium W.O.G.etc W.O.G.etc HNO3CH3OOH etc
Suitable Temperature -29℃~ 425℃ -29℃~ 550℃ -29 ℃~180℃

Dimensions (mm) and Weights (Kg)
NPS Conv. 3/8 1/2 3/4 1 1-1/4 1-1/2 2
Full 3/4 1/2 3/4 1 1/4 1-1/2 2
L 79 79 92 111 120 152 172 200
H 61 61 65 79 95 103 118 132
Weights Bolted 1.4 1.2 1.5 3.1 3.9 5.6 8.9 12.5
Welded 1.1 1.0 1.2 2.9 3.3 4.9 8.1 10.9

  Welding type piston check valves 900~1500Lb
Standard Material Specifications
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 Piston Disc A276 420 A276 304 A276 304(L) A276 316(L)
3 Gasket Corrugated SS + graphite SS + PTFE
4 Bonnet A105 A182 F22 A182 F304 L A182 F316(L)
5 Nameplate SS
6 Bolt A193 B7 A193 B16 A193 B8M A193 B8M
7 Ball A182 F304 A182 F304 A182 F304 A182 F304
Suitable Medium W.O.G.etc W.O.G.etc HNO3,CH3OOH etc
Suitable Temperature -29℃~425℃ -29℃~550℃ -29℃~180℃

Note: Other materials are available upon request.

Dimensions (mm) and Weights (Kg)
NPS Conv. 3/8 1/2 3/4 1 1-1/4 1-1/2 2
Full 3/8 1/2 3/4 1 1/4 1-1/2 2
L 92 111 111 120 152 172 200 220
H 65 79 79 97 104 120 139 215
Weights Bolted 1.6 3.4 3.3 5.5 6.0 9.2 12.9 16.2
Welded 1.3 3.2 3.1 4.8 5.4 8.5 11.2 14.3


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