Proportional Electronic Pneumatic Pressure & Flow Control Devices
Industrial Process Regulators
Miniature Regulators for Compressed Air Tools & Systems
Closed-loop electronic mass flow controllers that control flow rates from 2 SCFH to 250 SCFM
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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
Virtually Controlled Pneumatic Positioning – 2025-2026 Purdue Capstone Project
The Concept As the Fall 2025 semester concludes, the Proportion-Air sponsored capstone team at Purdue Polytechnic Institute has achieved significant progress on an innovative project: a virtually controlled pneumatic digging arm equipped with a bucket. This concept, originally proposed by Dr. Jose Garcia-Bravo, aims to demonstrate Proportion-Air’s advanced pneumatic control capabilities through the integration of … Continued
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University of Wisconsin & Proportion-Air’s Digital Communication Capstone Project
Proportion-Air is happy to announce the launch of this year’s senior capstone project in collaboration with the University of Wisconsin-Platteville. This group will focus on a digital communication link protocol for Proportion-Air’s QB-Electronic Pressure Regulator. Electronic Pressure Regulators and Valves | by Proportion-Air Digital communications is a growing segment of the electronic pressure regulator market … Continued
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