Butt Weld Forged Steel Lift Check Valve is self operated type, automatically open or closed by flow service,Butt Weld Forged Steel Lift Check Valve is adopted for prevent the service flow in reverse direction. The function of the check valve is allowed service flow in one direction, and prevent the service in reverse direction. Butt Weld Forged Steel Lift Check Valve is operated automatically, the valve open by service pressure of one direction; when the service flow in reverse direction, then the flow service pressure press the disc to the seat, and shut off the flow.

Butt Weld Forged Steel Lift Check Valve Product Description

Size: DN10 - DN50
Pressure class :150LB-2500LB (0.6-42.0mpa)
Valve body material :A105, F11, LF2, F304, F316, etc
Applicable medium: water, steam, oil, etc
Connection: flange, socket welding, NPT internal thread,BW
Operation mode: automatic

Butt Weld Forged Steel Lift Check Valve Standards
1. Full Open Swing Check Valve or Lift/Piston Check Valve
2. Body structure in forged steel body, cast steel body, cast iron bo
3. Standard availabe in API 6D, BS1868, JIS, DIN, Testing Standard API 598/API 6D, Pressure & Temperature: ASME B16.34
4. Fitted available: With Counter Weight, Hammer, external lever
5. Sealing: Soft/Resilient Seated, Metal to metal seat
6. Flange RF,FF/BW/NPT/Screwed/Threaded: ASME B16.5, ASME B16.25, EN 1092, AS 2129 T/D, AS 2129 T/E, BS10, ASME B1.20.1, B16.11