4" PVC True Union Swing Check Valve - Socket (S1720-40)

This swing check valve with union ends is made to prevent backflow using a flap door inside and can be installed horizontally or vertically. It is a white PVC material that is compatible with 4" pipe. The ends are slip unions that can be removed to maintain your valve. This valve is super reliable and durable. Please give us a call if you have any further questions!

Nominal Size: 4"

Material: PVC, EPDM Seals

End Type: Socket

Pressure Rating (Open): 150 psi @ 73F Full Flow

Pressure Rating (Closed): 75 psi Back Pressure

*Standard 4" nominal size PVC pipe fits inside both ends of this valve.