Wafer spring check valve

Material: ASTM A216 WCB, ASTM A351 CF8，ASTM A351 CF8M, ASTM A351 CF3，ASTM A351 CF3M
Pressure: 150LB, 300LB, 600LB, 900LB
Design and manufacture: ASME B16.34, API 594, API 6D
Connection ends dimension: ASME B16.5, ASME B16.47
Face to face dimension: API 594, API 6D
Inspection and test: API 598