Check Valves
![Hayward Y-Check Valve: Automatic - PVC \ FPM](/sites/default/files/styles/list/public/images/product/aff6c8b118de75a267336c9066a0/Hayward%20Y-Check.jpg?itok=Vl7ZudWT)
Hayward Y-Check Valves prevent reversal of flow in piping systems. They are ideal where backflow could potentially cause damage to pumps, filters or process equipment. Hayward Y-Check Valves operate without the need for any adjustments or settings. A plastic coil (not a spring) supports the disc inside the body. When the inlet flow stops, back pressure (a minimum of 2 psi is required) moves the disc with its elastomer o-ring onto a plastic seat - shutting off the flow.Â
Features
• 150 psi @ 70°F (non-shock)   • Full flow design, works in any position
![Spears Type 1720 Utility Swing Check: Automatic - PVC \ EPDM](/sites/default/files/styles/list/public/images/product/caa27cb5512442de4c929571e0bc/S1720%20Series%202.jpg?itok=XZ2EDSAJ)
PVC True Union Utility Swing Check Valves are designed for horizontal installations, but may be installed in up-flow vertical position. Check valves must be installed with the valve’s FLOW arrow pointing in the direction of the flow. Flow velocity should not exceed 5 feet per second. Excellent for Pool and Spa, OEM and General Purpose applications.                                                                                      Â
• Pressure Rating - 150 psi @ 73°F   • Maximum Back Pressure 75 psi @ 73°F   • Maximum Service Temperature - 140°F
• EPDM seal for positive sealing     Â