Casting Steel Swing Check Valve
Design Standard: ASME B16.34
Body Material: ASTM A351 CF8M
Nominal Diameter: 2 Inch, DN50, 50MM
Pressure: Class 300 LB, PN50
End Connection: SW
Face To Face: Factory STD
Test And Inspection: API 598
Temperature range: Minus 29 degrees to 150 degrees
Certification: ISO 9001, CE, API 6D
Production process: Investment casting, CNC lathe, Test, Cleaning, Packing, Storage
· The opening and closing parts of the check valve are automatically opened or closed by the flow and force of the medium to prevent the medium from flowing back.
· The check valve is a kind of automatic valve, its main function is to prevent the backflow of the medium, prevent the pump and the drive motor from reversing, and the discharge of the container medium.
·Check valves can also be used to supply pipelines for auxiliary systems where the pressure may rise above the system pressure.