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API 6D check valve,BS 1868 check valve - HPA-E

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API 6D check valve,BS 1868 check valve.(baking painting by customer requirement)

Swing Check Valve。
Features
1. Design and manufacture of product according to American state standard ANSI B16.34, American petroleum institute standard API6D
2. Small opening pressure, the disc can be opened fully with a very small pressure differential
3. Rocker and hinge pin use inside-set design, reduces outer leakage point
4. The body and bonnet of class 1500~Class 900 check valve is connected with stud. And the body and bonnet of class 1500~class 2500 check valve pressure seat structure to make product bulk small, weight light, seal credible
Standard
Design and manufacture to BS 1868, ANSI B16.34
Face to face to ANSI B16.10
Flanged connection: up to 24-inch ANSI B16.5 from 26-inch MSS SP44 ANSI B16.47
Flange Ends to ANSI B16.25
Test and Inspection to API 598