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ControlAir Inc.

CONTROLAIR DISTRIBUTOR WISCONSIN. ControlAir Inc. Is a leading manufacturer of precision air pressure regulators, transducers and valve positioners. Doig Corporation is ControlAir's authorized distributor.

ControlAir offers worldwide compressed air control technology for companies that demand excellent service and outstanding technical support for their pneumatic pressure regulator applications.

Their ISO-9001 registered quality system assures tightly controlled specifications and processes, resulting in high performance, dependable pneumatic controls. A strong dedication to a streamlined manufacturing process assures customers of product availability and on-time delivery. 


  • Regulator Products
  • I/P, E/P, P/I Transducers Volume Boosters & Air Relays
  • Type 200 Precision Air Relay
  • Type 250 Lock-up Air Relay
  • Type 600 Volume Booster
  • Type 650 Positive Bias Relay
  • Type 6000 Volume Booster
  • Type 6100 NEW High Flow Volume Booster
View the Short Form Catalog

  • Type 6500/6600 Large Flow Capacity Volume Boosters
  • Mite 70 Control Relay
  • Super Mite 71L/71H Control Relay
  • Super Mite 74 Control Relay
  • Mite 85 Control Relay
  • Diaphragm Air Cylinders
  • Valve Positioners
  • Stainless Steel Products
Try the ControlAir Product Configurator


Regulators, Filter Regulators and Filters

  • 316 Stainless Steel Construction
  • 1/4” and 1/2” NPT Ports
  • Autodrain option
  • Low temperature option
  • High flow capacity

NACE Compliant Volume Boosters

  • 316 Stainless Steel Construction
  • 3/4” or 1” NPT Porting
  • Integral Adjustable bypass valve
  • High flow capacity
  • Soft valve seat design
  • High temperature option

Lock up Relay

  • 304 Stainless Steel Construction
  • No leakage in lock-up position
  • Two pressure ranges available
  • Manual relief valve

View the full Food & Beverage Brochure