This 4″ PVC Clear True Union Spring check valve features an EPDM seat in a sealed compact style. Can be installed horizontally or in up-flow vertical position. Be sure to install with arrow pointing in direction of flow. This valve features socket ends.
Part No:S1780C-40
Size:4″
Full Flow (Open) Pressure: 150 psi
Back Pressure (Closed): 75 psi
Max Temperature: 140 deg F
Flow velocity should not exceed 5ft/sec
