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- All thermoplastic valves shall be wafer butterfly type constructed from PVC type 1 cell classification 12454 or CPVC type IV cell classification 23447. All valve seats and O-Rings shall be Buna-N, EPDM or FKM. Seat shall be a non-liner type mounted to the valve disc. All valves shall have built-in Santoprene™ thermoplastic elastomer (TFE) flange gaskets. Wafer style valves shall be for mounting between two flanges having bolt hole pattern that conform to ANSI/ASME B16.5 Class 150. Disc shall be centered with type 316L stainless steel stem. stem shall be isolated from the process medium for dry operation. Lever operated valves shall be equipped with high impact polypropylene handle having 7-position stops and built-in lockout capability. Gear operated valves shall be equipped with position indicator and high impact polypropylene handwheel. Valves shall be pressure rated at 150 psi for water at 73 deg F, as manufactured by Spears® manufacturing company.
Spears® Butterfly Valve, 4 in Nominal, 150 lb, 140 deg F, Lever Handle Actuator, 2-1/16 in Inlet to Outlet Length, 6-15/16 in Top to Inlet Center, PVC Body, 316L Stainless Steel (Stem) Stem & Pin Material, Buna-N, Gray, 6-1/4 in Dia x 11-13/16 in H, Domestic
- Chemical and corrosion resistant PVC or CPVC construction
- Special designed laying lengths for direct replacement of common cast iron butterfly valves
- Built-In Santoprene™ thermoplastic elastomers (TPE) gaskets on valve flange faces
- Easy operating disc mounted seat in choice of Buna-N, EPDM, or FKM
- Fully isolated (dry) solid type 316L stainless steel stem
- Reversible high impact polypropylene lever handle with 7-position stops and built-in lockout capability
- Buna-N O-ring
- Body MaterialPVCDomestic / ImportDomesticNominal Size4 inPressure Class150 LbSoftgoods MaterialBuna-NActuator TypeLever HandleColorGrayDimensions6-1/4 in Dia x 11-13/16 in HInlet to Outlet Length2-1/16 inManufacturerSpears ManufacturingManufacturer #751311-040Stem& Pin Material316L Stainless Steel (Stem)Temperature Rating140 deg FTop to Inlet Center6-15/16 in