API cf8 flange swing check valve
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Duckbill Rubber Check Valve With Flange Flange Spring No Return Check Valve Flange Swing Check Valve Flange Type Check Valve Flange Type Swing Check Valve Flanged Check Valve
API cf8 flange swing check valve
Design as API 6D.
For ANSI Class 150/300/600 flange mounting.
Face-to-Face dimension conforms to ISO 5752.
Test as API 598.
Working Pressure |
Class150/300/600 |
Testing Pressure |
Shell: 1.5 times rated pressure, Seat: 1.1 times rated pressure. |
Working Temperature |
0°C to 450°C |
Suitable Media |
Water, Oil. |
Part |
Material |
Body |
Carbon steel/Stainless steel |
Disc |
Carbon steel / Stainless Steel |
Spring |
Stainless Steel |
Shaft |
Stainless Steel |
Seat Ring |
Stainless steel / Stelite |
This check valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.When the medium is back-going, valve disc will automaticaly closed to avoid accidents.
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