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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, 8 in Nominal, Flanged, 150 lb, 140 deg F, Lever Handle Actuator, 2-31/32 in Inlet to Outlet Length, 12 in Top to Inlet Center, PVC Body, 316L Stainless Steel (Stem) Stem & Pin Material, EPDM, Gray, 13-1/2 in Dia x 18-5/8 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
- EPDM O-ring
- Body MaterialPVCDomestic / ImportDomesticEnd StyleFlangedNominal Size8 inPressure Class150 LbSoftgoods MaterialEPDMActuator TypeLever HandleColorGrayDimensions13-1/2 in Dia x 18-5/8 in HInlet to Outlet Length2-31/32 inManufacturerSpears ManufacturingManufacturer #722311-080Stem& Pin Material316L Stainless Steel (Stem)Temperature Rating140 deg FTop to Inlet Center12 in