ANSI Cast Steel Swing Check Valve

ANSI Cast Steel Swing Check Valve

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)