Forged steel check valve
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Forged steel check valve

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We supply 800# forged steel check valve with following features:

Swing type check valve or piston type check valve
Construction: B.B&W.B; O.S&Y., or PSB(pressure seal bonnet)
Gasket: SS304+Graphite
Ends: Socket Welding & Threaded Ends, Butt welding, Flanged
Body: ASTM A105, LF2, F5, F11, F22, F304, F304L, F316, F316L, Monel, Duplex steel
Disc Face: CR13, STL 6#, SS304, SS304L,SS316, SS316L, Monel, Duplex steel
Seat Face: CR13, STL 6#, SS304, SS304L,SS316, SS316L, Monel, Duplex steel
Size: 1/2" to 2-1/2", DN15-DN65
Pressure Rating: ANSI Class150/300/600/800/900/1500/2500
Design & Manufacture: API 602, BS5352, ANSI B16.34
Socket Welding Dimension: ANSI B16.11, JB/T1751
Thread Dimension: ANSI B1.20.1, DIN 2999, BSP, BSPT, JB/T7306
Butt weldeding dimension: ANSI B16.25, JB/T 12224
Test: API 598, ISO 5208

Performance specification for compact body forged steel check valve

Technical Specification

PN(Mpa)

ANSI Class (Lbs)

1.6

2.5

4.0

6.4

10.0

150

300

400

600

800

900

1500

2500

Test Pressure

(MPA)

Shell Test

2.4

3.75

6.0

9.6

15.0

2.94

7.67

10.2

15.3

19.5

22.98

38.3

63.83

Seal Test

1.76

2.75

4.4

7.04

11.0

2.16

5.62

7.48

11.23

14.3

16.85

28.08

46.81

Air Test

0.55+/-0.07

Applicable temperature: -196 C degree to 600 C degree
Note: please choose different materials for different working conditions.
Application: Common type: water, steam, oil, liquid gas, natural gas etc
Anti-sulphur type: gas oil etc which contains h2s, co composition.



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