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Current position:HOME  >  Product Center  >  check valve(API)  >  Forged check valve class900-1500

Forged check valve



CHECK VALVE:

 

Size: NPS 1/2"-2"

Pressure:  Class 150-1500

Material: A105,LF2,F11,F22,F5,F304,F316,F304L,F316L 

Design & Manufacture Std.:API 6D,BS 1868,ASME B16.34

Face to Face Std.:API 6D,ASME B16.10,DIN 3202

End Connection Std.: ASME B16.11,ASME B1.20.1,ASME B16.5,    

                      ASME B16.47,DIN2543-2550,ASME B16.25

Test Standard: ISO5208, API 6D, BS 6755

Structure Type: Regular Pattern, Pressure Sealed Pattern, Damping   Pattern

Forged Steel Flange End Check Valve 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

Nameplate

SS

3

Piston Disc

A276 420

A276 304

A276 304(L)

A276 316(L)

4

Bonnet

A105

A182 F22

A182 F304(L)

A182 F316(L)

5

Gasket

Corrugated SS + graphite

6

Bolt

A193 B7

A193 B16

A182 B8(M)

A193 B8(M)

Suitable Medium

W.O.G.etc

W.O.G.etc

HNO3,CH3OOH etc

Suitable Temperature

-29 425 

-29 550 

-29 200 

 

Note: Other materials are available upon request.

Dimensions (mm) and Weights (Kg)

NPS

1/2

3/4

1

1/4

1-1/2

2

L(RTJ)

216

229

254

279

305

371

L1(BW)

216

229

254

279

305

368

H

79

79

95

104

120

139

Weights

RTJ

8.5

10.5

15.7

20.8

27.2

33.0

BW

6.4

8.0

13.2

17.8

24.2

29.7