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ControlAir manufactures Bubble Tube Liquid Level Systems, Stainless Steel Air Filter Regulators and I/P Pressure Transducers needed for control in water and wastewater treatment processes. These products are built and tested in Amherst, New Hampshire, USA and are supported with a knowledgeable sales and support staff backed up by a worldwide distribution network.

Our products can be found in water treatment applications such as:

ControlAir products found in these applications include:

  • Bubble Tube Liquid Level System (L100) provides precise level measurement for applications involving hazardous locations or liquids which are highly corrosive or slurry type.
  • Stainless Steel Filter Regulators (Type 350, Type 380) provide accurate pressure regulation and quick response in water treatment processes from phase separation to polishing.
  • I/P Transducers (Type 500, Type 900)  provide reliable, repeatable accuracy of pneumatic pressure for control systems.

Download our Stainless Steel Product Catalog

Valve Control I/P Transducers and Air Filter Regulators

Bubble-Tube Liquid Level System

L100 Bubble-Tube Liquid Level System

CA L100
  • High accuracy and stability
  • Blow-down capability
  • Unaffected by foam or vapors
  • Excellent for hazardous, high-temperature, corrosive or wastewater level measurement
  • NEMA 4X enclosures available

Stainless Steel Filter Regulators

Type-350 Stainless Steel Filter Regulator

CA T350
  • 316L Stainless Steel Construction
  • Suitable for low temperature operation
  • Viton Seals
  • Large flow capacity; Low air consumption

Type-380 Large Flow Capacity Stainless Steel Filter Regulator

CA T380
  • 316L Stainless Steel Construction
  • High Flow Capacity
  • 3/4" or 1" NPT Porting
  • Automatic Drain Options
  • ATEX 94/9/EC Compliant

I/P Pressure Transducers

Type-500X Electro-pneumatic I/P Transducer (I/P, E/P)

CA T500
  • Compact size for space constrained applications
  • NEMA-4X (IP65) housing
  • Flexible zero & span adjustments
  • Integral volume booster
  • Standard process inputs
  • Split ranging

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Type-900X Pressure Transducer

CA T900
  • NEMA-4X (IP65) housing
  • Self correcting for constant pressure output
  • Fast Response
  • Zero Based units available
  • 12 SCFM flow capacity
  • Manifold ready (use Type 925 manifold)

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