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- All thermoplastic check valves shall be True Union Ball type constructed from PVC Type I, ASTM D1784 Cell Classification 12454 or CPVC Type IV, ASTM D1784 Cell Classification 23447. All O-rings shall be EPDM or FKM. All valve union nuts shall have Buttress threads. All valve components shall be replaceable. All EPDM valves shall be certified by NSF International for use in potable water service. All 1/2 to 2 in valves shall be pressure rated at 235 psi and all 2-1/2 to 6 in and all flanged valves shall be pressure rated at 150 psi for water at 73 deg F, as manufactured by Spears® Manufacturing Company.
Spears® Ball Check Valve, True Union Regular Style, 4 in Nominal, Socket, 150 psi, 73 deg F, Media: Water, 12-15/16 in Inlet to Outlet Length, PVC Ball, PVC Body, EPDM Softgoods, Gray, 8-15/16 in H, Domestic
- Chemical and corrosion resistant PVC construction
- Strong, buttress thread union nuts
- Fully serviceable, replaceable components
- Uses standard O-Ring seat
- Suitable for either horizontal or vertical installations and vacuum service
- Assembled with silicone free, water soluble lubricant
- EPDM O-ring
- Body MaterialPVCDomestic / ImportDomesticEnd StyleSocketNominal Size4 inSoftgoods MaterialEPDMBall MaterialPVCColorGrayDimensions8-15/16 in HInlet to Outlet Length12-15/16ManufacturerSpears ManufacturingManufacturer #2222-040MediaWaterPressure Rating150 psiTemperature Rating73 degFTypeTrue Union Regular Style