Spears PVC Spring Check Valve 1.5" S1580-15FSR SR FIPT Threaded Commercial & Industrial__Wastewater__Wastewater Pumps__Solids Handling__Hydromatic__Submersible Solids Handling Pumps__SB4S/SB4SD Each Shaft Individually Measured for

Each Shaft Individually Measured for Straightness with Strict Tolerances

Choose a system for demand dosing (to a gravity drainfield) or timed dosing (to a pressurized drainfield or mound)

Broken Pipe Detection

Bolt-down kit includes butyl tape and concrete anchors to attach RRFTA to top of concrete tank

As the pressure decreases

Spears PVC Spring Check Valve 1.5" S1580-15FSR SR FIPT Threaded Commercial & Industrial__Wastewater__Wastewater Pumps__Solids Handling__Hydromatic__Submersible Solids Handling Pumps__SB4S/SB4SD Each Shaft Individually Measured forSpears Utility Swing Check and spring assisted Utility Spring Check Valves offer a compact, high performance check valve for Landscape & Irrigation, Pool & Spa, Aquaculture, OEM and many general purpose applications. These maintenance free sealed units feature long life EPDM elastomer seats with weighted disc for full flow with minimal restriction and positive shutoff. Spring assisted Spring Check model incorporates a positive pressure spring to