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

Select your product based on the first 3-5 digits of the part number. These can be numbers or letters. Products are listed in alphabetic order. The # symbol can represent any single character.

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

Optimize AODD Pump Operation with New Controller

Easily maintain the optimal operational flow rate for most air-operated double diaphragm pumps on the market with this turnkey system Ensuring that air-operated double diaphragm pumps run consistently and optimally through long cycles is easy with Proportion-Air’s new Pump Controller. Many AODD pumps operate with just a ball valve and shop air. This can lead … Continued

September Newsletter: Process Control

Take back control! This month’s newsletter focuses on the process control industry. Check out our nitrogen purging application, featuring one of our BS Burling Valve regulators. Meet our newest product, the Proportion-Air Supply, which makes testing pressure and flow a breeze. And read our latest blog post about all the different aerospace simulations we help … Continued

The Importance of Pneumatic Safety Regulations in Meeting OSHA Standards

Pneumatic tools, which operate using compressed air, offer great advantages in manufacturing. However, their use comes with the risk of problems like air leaks, flying debris, and potential tool malfunction. To mitigate risks associated with pneumatic tool use in manufacturing, adherence to Occupational Safety and Health Administration (OSHA) standards is essential. Meeting OSHA Regulatory Standards … Continued