Large Size Carbon Steel Swing Check Valve 150LB

API6D SWING CHECK VALVE150LB Carbon Steel Body Trim No.1

Size Range: 2"-60"

Pressure Rating: 150lb-2500lb,PN6-PN160

Material: A216 WCB, A351 CF3, CF8, CF3M, CF8M, A995 4A,

5A, A352 LCB, LCC, LC2,WCC,WC5,C5,WC6,WC9,WC11,WC12,),CD-4MCU,SS2205 . Monel, Inconel, copper,Bronze etc.

Temperature Range: -29°C~500°C

Applicable Standards:

Design: API6D,BS1868,DIN，ASME B16.34

Face to face: ASME B16.10

End Flanges: ASME B16.5/ASME B16.47

Butt welded ends: ASME B16.25

Fire Safety: API607,API6A

Inspection and test: API 598,API6D

Working Principle of Non-Return Check Valve:

1. When Flow comes, the pressure forces valve disc to open and go through by the pipe;

2. Swing Check Valve allows full, unobstructed flow and automatically closes as pressure decrease;

3. Check Valve prevent backflow when upstream flow stopped.

PXN Check Valve are designed for safety reasons to prevent backflow and to ensure clients operating  a system know which direction fluids and gases are flowing in.

Non return Valve consists of valve body, valve bonnet and disc that is connected to a hinge.

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