Spears® 722321-040 Standard Butterfly Valve, 4 in Nominal, 150 lb, PVC Body, EPDM Softgoods, Domestic

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, 4 in Nominal, 150 lb, 140 deg F, Gear Actuator, 2-3/32 in Inlet to Outlet Length, 11-1/8 in Top to Inlet Center, PVC Body, 316L Stainless Steel (Stem) Stem & Pin Material, EPDM, Gray, 9 in Dia x 15-5/8 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

• Specification Sheet https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Spears_722321_040_Specification_Sheet.pdf
• VIDEO LINK http://youtu.be/9hzQlUWbLSE