Cast Steel Flange Swing Check Valve

Size rating: NPS1/2"~3 

Pressure Rating: Class 150LB~1500LB

Design STD: ANSIB16. 34, API6D, BS11868 

Face to Face STD: ANSIB16. 10, API6D

Flange end STD: 2"~24" to ANSIB16. 5, 22", 26"~36" to MSS-SP-44

Butt welded end STD: ANSI B16. 25

Test STD: API 598, API 6D