Wilden Velocity Series Pumps

The Wilden Velocity compact air-operated double-diaphragm (AODD) pump is designed for skids, systems, and dosing applications. This pump offers great versatility as it can be mounted either vertically or horizontally with multiple inlet and discharge port options, creating numerous configurations to fit your application. It features a full-bore design that eliminates potential effects of torque decay.


  • V2550
  • V150
  • Numerous mounting configurations
  • 14.2 ft dry suction lift (V2550)
  • 16.9 ft dry suction life (V150)
  • Start up pressures as low as 15 psi
  • Bore-seal design that eliminates potential of torque decay
  • Interchangeable footprint with previous Wilden designs
  • Chemical Dosing
  • Clean-In-Place (CIP) Systems
  • Paints & Inks
  • Surface Treatment
  • Lube Oil
  • Commercial Laundry
  • Additive Injection
  • Sampling


Technical Data
Air Inlet1/4" FNPT
Liquid Inlet1/4"
Liquid Discharge1/4"
Connection TypeFNPT (Threaded)
Max. Suction Lift Capability14.2 ft. Dry, 20.4 ft. Wet
Max. Flow Rate5.7 gpm
Max. Pressure100 psi
Max. Diameter Solids1/32"
Displacement Per Stroke0.01 gal
Air ValvePolypropylene
Air ChamberPET, Aluminum (Accu-Flo™ Only)
ElastomerPTFE, Wil-Flex™


Technical Data
Air Inlet1/2" FNPT
Liquid Inlet1/2"
Liquid Discharge1/2"
Connection TypeFNPT (Threaded)
Max Suction Lift CapabilityTPE - 16 ft Dry, 26 ft Wet
PTFE - 16.9 ft Dry, 26 ft Wet
Max Flow Rate17 gpm
Max Pressure100 psi
Max Diameter Solids1/16"
Displacement Per Stroke0.03 gal
Air ValvePolypropylene
Air ChamberPET, Aluminum (Accu-Flo™ Only)
ElastomerPTFE, Wil-Flex™

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