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Valves & Actuation

Actuated Plastic Butterfly Valves

Actuated Tandem Pneumatic Series 79 Butterfly Valves


Data Sheet

Ideal Applications Include:

Chemical Processing, Water & Wastewater, Landfills, Irrigation, Food Processing, Mining


  • Series 79 air to air (A-A) or air to spring (A-S) pneumatic actuator
  • Air-to-spring design allows for fail closed position of one valve
  • Durable molded polyamide or extruded aluminum rack and pinion design actuator
  • Visual position indication
  • 304 stainless steel linkage and fasteners
  • Zinc-plated valve flanging hardware
  • PVC flanged tee sizes 1-1/2"– 6", with valve mating flanges installed
  • Poly-Pro® flanged tee sizes 8" & 12" (mating flanges not included)
  • Standard arrangement permits flow straight through the "run" of the tee when actuator is open and shuts off flow out the "branch"
  • Special "on the run" configuration permits L-port flow design where the "branch" acts as the inlet and flow is diverted out the left or right ports when actuator is cycled
  • Accepts optional limit switches, solenoids and positioners
  • Offered as a complete drop-in actuated valve and tee assembly