Air Actuated Butterfly Valve 2-1/2" Lug,EPDM,Double Acting

Air Actuated Butterfly Valve 2-1/2 Lug,EPDM,Double Acting
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List Price: $349.00
Price: $279.20
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  • Description
  • Specifications
  • Accessories
  • Data Sheets
  • CAD
  • Video
  • Repair Parts
Air actuated soft seated butterfly valve for on-off control of water and other media compatible with the materials of construction. Lug style valve sandwich mounts between standard ANSI /ASME B16.5 Class 125 / 150 flanges. Double acting actuators use an air pressure signal (80-120 PSI) to open and close the valve.

Butterfly Valve Standard Features
  • Rugged epoxy coated (3-layer) ductile iron body with stainless steel disc for maximum corrosion resistance
  • Extended life span of valve and seals with unique wave line seat and special disc shape
  • Reduced torque from wave seal and disc design reduces size of actuator, lowering the cost
  • Increased flow capacity with unique profile disc and two piece shaft design
  • Valves direct mount to actuator using standard ISO5211 international standards

  • Pneumatic Actuator Standard Features
  • Extended cycle life (1 million cycles)
  • Rack & pinion design
  • Highly visible valve position indicator
  • Dry or lubricated pilot air
  • Factory lubricated for normal life
  • Anodized aluminum body with epoxy-polyester covers
  • Namur & ISO mounting

  • Options (see Accessories tab)
    Pipe Size2-1/2 inch Lug design
    Suitable FlangesANSI /ASME B16.5 Class150, B16.1 Class 125
    Flow CapacityCv 247 (Cv = number of GPM of 60 °F water at 1 psi pressure drop)
    Pressure Rating29 inHg vacuum to 230 PSI
    Actuator Temperature Rating0 to 180 °F (-18 to +82 °C)
    Valve Temperature Rating0 to 248 °F (-18 to +120 °C)
    Valve BodyDuctile iron, 3-layer Epoxy/Epoxy/PUR coating (seat facing acts as flange gasket)
    Disc316 stainless steel
    Disc Seat/Liner EPDM
    Shaft SealsEPDM V-ring
    Upper/Lower StemSS420
    Cycle TimeApprox. 1 to 1.5 second per 90° rotation
    Air Pilot Pressure80-120 PSI
    Air Connections1/4" NPT (plus NAMUR pad for solenoid valve)
    Actuator SealsNBR
    We provide 3D CAD models in Solidworks or STEP file formats for most of our Valworx products.

    Please email to request the specific files you need. Include the stock number of the valve and any accessories with your request.