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API Steel Check Valve Design Structure and Features:
A.Design and Manufacturing: As per API 6D or API 608
B. Face to face: As per ANSI B16.10
C. Flange: As per ANSI B16.5
D. Butt welding dimensions: As per ANSI B16.25
E. Valve Inspection and Test: As per API 6D or API 598
F. Body Material: WCB, CF8, CF8M, CF3, CF3M





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