Proportional Electro-Pneumatic Pressure & Flow Control Devices

Industrial Process Regulators

Miniature Regulators for Compressed Air Tools & Systems

Electronic Pressure Regulators

As low as 0-2 inches of water column to 5,000 psi +

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Mechanical Pressure Regulators

Reliable process pressure control for fluids & gases

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Pneumatic Safety Regulators

Affordable, pre-set, tamper-proof safety regulators

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Mass Flow Control Valves

Closed-loop electronic mass flow controllers that control flow rates from 2 SCFH to 250 SCFM

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Pressure Transducers

Accurately measure the pressure of gases and/or fluids in industrial and laboratory processes

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PROUDLY SERVING CLIENTS ACROSS INDUSTRY

Engineers and other manufacturing professionals looking for high-quality pneumatic control trust the Proportion-Air family to meet their most demanding requirements. From brand new start-ups to established multinational corporations, our partners know that they’re getting the most accurate, repeatable, customizable control on the market.

RECENT UPDATES

WEBINAR: (Nearly) Everything You Wanted to Know About Pneumatic Control

Electrical Engineer, in the hot seat with Application Specialist Hammond Willey. Join them at 11:30 a.m. Eastern on Tuesday, June 27, as they address some of the most common questions about pneumatic control. REGISTER Synopsis: Compressed air and other gases are ubiquitous in factories and labs, but what do you need to know to manage … Continued

WEBINAR: Improving Process Control for High Quality Medical Manufacturing

Missed the live version? WATCH ON-DEMAND Join our team at 11:30 a.m. Eastern on Thursday, April 20, for a webinar covering the best ways to improve your medical manufacturing applications with pneumatic control. Our panel members, including Applications Manager Ron Hibbler, Business Development Manager James Spence, and Application Specialist Hammond Willey, will discuss some common … Continued

2022 Purdue Polytechnic Capstone Kick-off

The fall semester is underway at Purdue University, and with it, the opportunity for us to sponsor another capstone project team at the university’s Polytechnic Institute. This year’s team of four students boasts impressive internships in manufacturing environments. Under the guidance their faculty mentor, Dr. Jose Garcia-Bravo, and with assistance from the Proportion-Air engineering staff, … Continued