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- Spears® quiet check valve has been designed to provide quiet operation in sump pump or sewage ejector pump systems typically found in home basements. The back flow of the water column in the discharge pipe can slam conventional check valves closed, producing a disturbing "Thump" when the pump shuts off. The quiet check valve uses a spring controlled rate of closing to prevent slamming and eliminates the noise. Each Spears® quiet check Valve contains both regular socket ends for direct solvent cement connection of the valve and True Union style end connectors for easy valve removal or replacement.
Spears® Check Valve, Quiet, Series: True Union, 1-1/2 in Nominal, Socket, 150/75 psi, 140 deg F, 9-15/16 in Inlet to Outlet Length, PVC Body, White, Domestic
- 150 psi at 73 deg F full flow (open), 75 psi back pressure (closed)
- Molded PVC
- End StyleSocketNominal Size1-1/2 inColorWhiteFitting / Connector TypeCheck ValveLength9-7/8 inManufacturerSpears ManufacturingManufacturer #8622-015MaterialPVCMethod of ManufactureMoldedPressure Rating150 psiSchedule RatingSCH 40TypeUnion