ANSI Cast Steel Swing Check Valve
Description:
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.
Basic design standards:
- Basic design: BS 1868, ANSI B16.34
- Face to face: ANSI B16.10
- Flanges: up to 24-inch ANSI B16.5 from 26-inch MSS SP44 ANSI B16.47
- Butt-weld ends: ANSI B16.25
- Testing: API 598
- Body materials: carbon, alloy and stainless steel, WCB, LCB, WC1, WC6, WC9, C5, C12, CF3, CF3M, CF8, CF8M and MONEL
- Pressure: ANSI class 150 to 2,500 (PN1.6 to 42MPa)
- Connection: flanged and butt-welded
- Cast steel globe valves 150LB-1500LB
- Size: 2 to 36 inches (50 to 900mm)
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