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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Find Your Product

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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

Diving In: 2024-25 Capstone Team Shark Project

With a new school year well underway, a Proportion-Air sponsored capstone team at Purdue Polytechnic Institute is already in the depths (pun intended) of this year’s project: a waterproof animatronic bull shark that moves via proportional electro-pneumatic control. The project was an in-house concept the Proportion-Air team worked on several years ago. The student team … Continued

November Newsletter: Food Processing & Packaging

Streamline your process! This month’s newsletter continues our focus on the food processing and packaging industry. See how our products help prevent frosting fails in a frosting dispensing application. Learn about our high flow electronic pressure controller, made to handle flows up to 200 SCFM, the QB4. Read our latest case study about how our … Continued

October Newsletter: Food Processing & Packaging

Optimize your production! This month’s newsletter focuses on the food processing and packaging industry. Check out our new steam control animation, used to cook the corn in tortilla manufacturing. Meet our newest product, the Pump Controller, which takes the stress out of operating your AODD pumps. And read our latest blog post about the importance … Continued