Air Distribution System (ADS)

Wilden® Air Distribution Systems (ADS): Durable, Reliable and Energy Efficient

The Wilden family of Air Distribution Systems (ADS) for Air-Operated Double-Diaphragm (AODD) pumps incorporates the latest technology to increase productivity while reducing energy consumption, air consumption and maintenance.

Exploded view of the Pro-Flo SHIFT Air Distribution System

Click and drag to view the exploded pump components.

As the inventor of the Air-Operated Double-Diaphragm (AODD) pump, Wilden remains an industry leader in pioneering new innovations while providing excellence in customer satisfaction as a trustworthy partner in assuring your success.

Wilden has an Air Distribution System (ADS) for virtually every industrial application and process:

  • Chemical
  • Paint & Coatings
  • Mining
  • Oil & Gas
  • Water & Wastewater
  • Liquid Terminals
  • Process
  • Semiconductor
  • Food & Beverage
  • Pharmaceutical
  • Cosmetic

Wilden's mission is to provide the most reliable, easy to maintain, energy-efficient pump system operating at maximum efficiency and minimal possible cost.

Pro-Flo SHIFT®

  • Wilden's most efficient ADS on the market
  • Up to 60% savings in air consumption for a cost-saving green footprint
  • More yield per SCFM vs. competitive units
  • Costs 50% less than an electronically-actuated ADS
  • Fewer operating parts for less downtime and simplified maintenance
  • Submersible application option
  • Easy plug-and-play operation
  • Ideal for harsh operating environments, including potentially explosive atmospheres (ATEX-approved)


  • Superior reliability and cost savings
  • Excellent energy conservation
  • Maximum mean time between repair (MTBR)
  • Simple yet durable
  • Plastic center block and lube-free operation
  • Extreme flexibility and reliability


  • Long life and easy serviceability
  • No mechanical trip rods, bearings or springs to wear out or repair
  • Cost-effective, economical
  • Portable
  • Submersible applications option 
  • Excels in utilitarian-type applications


  • Provides critical external pump control for a variable, easy-to-control stroke rate
  • Perfect for exacting applications such as batching
  • Electrical impulses stroke the pump instead of differential pressure
  • Available as NEMA 5, NEMA 7 or ATEX-compliant
  • Variety of voltage options

High Pressure

  • High discharge pressures
  • Utilizes double acting power piston and duplex technology to intensify fluid discharge pressure
  • Crisp Pressure Relief Valve (PRV) to efficiently shift signal
  • Lube-free operation
  • Reduced energy consumption