Butterfly check valve
Sizes: 2" - 48" or DN50 - DN1200
Pressure Rating: Class150 - Class1500 or PN16 - PN250
Design: API594, API6D
Face to Face: API 6D, API594
Connection End: Wafer, ASME B16.5
Test: API 598
Material: Cast Iron, WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc.