API Wafer Lift-return Check Valve
Two arch disc are fixed onto the valve body with a spindle on which two torsional springs are equipped for installing the butterfly plate onto the valve body sealing face. The butterfly plate pressed by the springs is opened by relying on the medium pressure, and the valve is closed by the spring force and the medium pressure under backflow. It can be installed on horizontal and vertical pipelines.
1. Certification: ISO9001, API600, CE, TS
2. Size: 2″-32″
3. Pressure: Class 150LB-1500LB
4. Material: Carbon Steel/Stainless Steel
5. Brand Name: Gangye Valve or OEM
6. Guarantee: 18months
7. Suitable medium: water, oil, gas….
Design and Manufacture: API600 ,ASME B 16.34, API6D, BS5351
Inspection and Test: API598
End flange dimension: ASME B16.5 (for NPS≤24); AMSE B16.47 series B
Socket-weld dimension: ASME B16.11
Face to face and end to end: ASME B 16.10
Pressure/temperature rating: ASME B16.34
Materials: LCB, LCC, CF8, CF8M, CF3, CF3M, A105, LF2, F11, F22, F5, F304, F316, F304L, F316L