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Products>Piston check valve


Piston check valve 800LB

Standard 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 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 HNO 3 ,CH 3 OOH etc
Suitable Temperature -29℃~425℃ -29℃~550℃ -29℃~180℃
Note: Other materials are available upon request. CS=Carbon Steel; AS=Alloy Steel; SS=Stainless Steel;

Dimension (mm) and Weight (Kg)

NPS Conv. 3/8" 1/2" 3/4" 1" 11/4" 11/2" 2"  
Full   3/8" 1/2" 3/4" 1" 11/4" 11/2" 2"
L 79 79 92 111 120 152 172 200
H 61 61 65 79 95 103 118 132
Wieght 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
  piston check valve
Piston check valve 900LB~1500LB

Standard 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 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 HNO 3 ,CH 3 OOH etc
Suitable Temperature -29℃~425℃ -29℃~550℃ -29℃~180℃
Note: Other materials are available upon request. CS=Carbon Steel; AS=Alloy Steel; SS=Stainless Steel.  

Dimension (mm) and Weight (Kg)

NPS Conv. 3/8” 1/2” 3/4” 1” 11/4” 11/2” 2”  
Full   3/8” 1/2” 3/4” 1” 11/4” 11/2” 2”
L 92 111 111 120 152 172 200 220
W 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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