STANDARD COMPLIANCE: |
Basic Design: BS 1868, ASME B16.34, API 6D |
Face to Face Dimension: ASME B16.10, EN558, DIN3202 |
End Flange Dimension:ASME B16.5, ASME B16.47, DIN2501 |
B.W. Ends: ASME B16.25 |
NPS:2”~48” |
Class:150Lb~2500Lb |
Type of Operation: Manual, Gear, Electric, Pneumatic, Hydraulic |
Main Material: WCB, WCA, WCC, LCB, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, CN7M, CF8C |
Inspection & Test: API598 , GB/T 13927, JB/T 9092 |
Other Special Requirement shall be on request |
PRODUCT DESCRIPTION:
The check valve is a valve that constantly maintain fluid flow in a constant direction and prevents reverse flow. The disc is pushed open by the fluid pressure, but when it flows backwar, the disc is brought into close contact with the seat of the body by the back pressure to prevent backflow.