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- Spears® patented butterfly valve design departs from traditional liner-seat type valve to eliminate seat creep, reduce operating torque and provide positive seal-off. Ideally suited for flow control or throttling, this high-performance valve is offered with a full variety of options for greater application versatility in industrial and chemical processing applications. Available in IPS sizes 1-1/2 - 14 in Standard or 1-1/2 - 12 in true lug (factory installed lugs) style.
Spears® Butterfly Valve, Standard, 3 in Nominal, 150 lb, 200 deg F, Lever Handle Actuator, 2-3/32 in Inlet to Outlet Length, 7-27/32 in Top to Inlet Center, CPVC Body, 316L Stainless Steel (Stem) Stem & Pin Material, Buna-N, Gray, 7-1/2 in Dia x 11-1/2 in H, Domestic
- Special off-set disc lifts quickly from seat to reduce wear and reduce operating torque
- Patented limited contact seat design provides free travel, eliminates seat creep, extrusion and wear, field replaceable without full valve disassembly
- Interlocking body and seat prevents wash-out or blow-out
- Fully isolated solid type 316L stainless steel stem
- High efficiency gear operator with cast aluminum housing, polypropylene handwheel and built-In position indicator
- Lug insert style valve has factory installed 316SS or zinc plated steel lug inserts
- Standard valve accepts field-installable lug inserts set option
- True lug design has factory installed zinc plated or 316SS lugs and is specially designed for connection to either side of valve
- Buna-N O-ring
- Body MaterialCPVCDomestic / ImportDomesticNominal Size3 inPressure Class150 LbSoftgoods MaterialBuna-NActuator TypeLever HandleColorGrayDimensions7-1/2 in Dia x 11-1/2 in HInlet to Outlet Length2-3/32 inManufacturerSpears ManufacturingManufacturer #721311-030CStem& Pin Material316L Stainless Steel (Stem)Temperature Rating200 deg FTop to Inlet Center7-27/32 in