C T Johnson, Inc Charlotte, NC

Since 1984

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Updated 5/5/2017 GoTo Shop.CTJohnson.net Pneumatic instruments


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Bubbler Jar now available
for low air flow relays
Model 62 & 63

Bubbler Bottle

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all rights reserved by CTJI

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Web Site Instrigators

ControlAir is a worldwide leading manufacturer of precision pneumatic and electro-pneumatic control products essential to automated industrial equipment, process control systems and instrumentation, laboratory research and analysis, energy management, fluid power, robotics, and valve automation applications. An ISO-9001/2008registered quality system assures tightly controlled specifications and processes, resulting in dependable pneumatic controls.

C T Johnson, Inc is now an authorized Distributor for ControlAirInc

You may purchase their instruments at our 

Precision Air Pressure Regulators

Intrument Filter Regulators

Volume Boosters

Snap Acting Relays & Bias Relays

Pressure Limiting Assembly

Motorized Regulators

Liquid Level Systems

Current-to-Pressure (I/P) Transducers

Voltage-to-Pressure (E/P) Transducers

Pressure-to-Current (P/I) Transducers

Friction-free Diaphragm Air Cylinders

P/P & E/P Valve positioners

A Direct link to all the pressure regulators right here

 Type 90 - Miniature  Accurate pressure regulation in a compact, lightweight package

  Type 100 -  accurate, stable and dependable pressure regulator

   Type 100M - Motorized Air Pressure Regulator; control by use of an electronic signal

    Type 300 Series - Instrument Air Filter and Filter Regulator;  310 NACE compliant.

     Type 330/340 Series - Instrument Airset and Air Regulator; Field rugged.

      Type 350/360/370SS Series - Stainless Steel Regulators and Filters.

         Type 380/390 - Large Capacity Stainless Steel Filter Regulators & Regulators

        Type 3500 - High Pressure Regulator; Accurate and reliable first cut pressure regulator

         Type 400 - General Service economical Pressure Regulator for industrial processed.

          Type 700 - High Flow Capacity Accurate Air Pressure Regulator.

           Type 700BP - Precision Back Pressure Regulator.

            Type 800 - Sub-miniature Precision Air Regulator where space is limited.

             Type 850/860/870 - Miniature Air, Water or Potable Water Pressure Regulator