Spears®

Spears® 721311K-040 Lug Insert Butterfly Valve, 4 in Nominal, 150 lb, PVC Body, Buna-N Softgoods

SPR721311K040 MFG #: 721311K-040
Spears® 721311K-040 Lug Insert Butterfly Valve, 4 in Nominal, 150 lb, PVC Body, Buna-N Softgoods
  • Body Material: PVC
  • Domestic / Import: Domestic
  • Nominal Size: 4 in
  • Pressure Class: 150 Lb
  • Softgoods Material: Buna-N
  • Type: Lug Insert
  • Actuator Type: Lever Handle
  • Color: Gray
  • Manufacturer: Spears Manufacturing
  • Manufacturer #: 721311K-040
  • Stem& Pin Material: 316L Stainless Steel (Stem)
  • Temperature Rating: 144 deg F
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, Lug Insert, 4 in Nominal, 150 lb, 144 deg F, Lever Handle Actuator, PVC Body, 316L Stainless Steel (Stem) Stem & Pin Material, Buna-N, Gray, Domestic
  • Features
  • 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
  • Reversible high impact polypropylene lever handle with 7-Position stops and built-in lockout (Standard handle on 1-1/2 - 8 in valves, not available on 10 in and larger valves)
  • High efficiency gear operator with cast aluminum housing, polypropylene handwheel and built-In position indicator
  • Lug insert style valve has factory installed stainless steel 316 or zinc plated steel lug inserts
  • Standard valve accepts field-installable lug inserts set option
  • True lug design has factory installed zinc plated or stainless steel 316 lugs and is specially designed for connection to either side of valve
  • Zinc lug
  • Buna-N O-ring