Products Valves On/Off – SolenoidPressure ReducingPressure Relief/SustainingLevel ControlFilter Back-FlushingAir ValvesSurge ControlFlow Rate ControlPump ControlCheck ValvesSolenoid ControlledFloat ValvesStrainers Irrigation Drip IrrigationFiltrationCompression Fittings Clamp Saddles SprinklersSprinkler IrrigationImpact Sprinkler AccessoriesPop-up SprinklersPop-Up Sprinkler AccessoriesQuick Coupler ValvesMicro SprayersFogger Plastic Pipes & Fittings Plastic Pipes & Fittings PVC-U Pipes & Fittings Solvent Cement Pipes Gasket Fitted Pipes Gasket Fittings Solvent Cement Fittings Threaded Fittings Corrugated Pipes & Fittings Pipes & Fittings HDPE Pipes & Fittings HDPE-Pipes HDPE-Fittings-EFE HDPE-Fittings-Confection HDPE-Fittings-Spigot Injection PPR Pipes & FittingsPPR PipesPPR Fittings GRP Pipes & Fittings Pipes & Fittings Cast Iron/Steel Pipes & Fittings DCI PipesDCI Push in FittingsDCI Flanged Fittings Product Detail 500 Series QR-Quick Pressure Relief Valve 600 Series PS-Pressure Sustaining Valve 500 Series PS-Pressure Sustaining Valve 600 Series QR-Quick Pressure Relief Valve