Proportion-Air

09/10/2026

Accurate pressure control is critical in saturated steam applications.

Burling steam regulators help engineers take advantage of the direct relationship between steam pressure and temperature, creating a simpler path to stable process control.

09/10/2026

Powder coating delivers beautiful finishes but airborne powders can create hazardous conditions.

Our FM-approved pressure control solutions help manufacturers maintain safe and consistent operation in environments where combustible dust is a concern.

https://proportionair.com/electronic-pressure-regulators/hazardous-location-valves/

Proportion-Air's ISF & ISQB electronic pressure regulators are designed to meet FM approvals for hazardous location valves. MADE IN USA!

09/09/2026

Force control solutions aren't limited to one industry.

Medical devices.
Automotive components.
Packaging systems.
Electronics assembly.
Material testing equipment.

Precise force control improves processes everywhere.

09/09/2026

Think pressure control is only for manufacturing?

Think again.

Our technology can be found in medical devices, laboratory equipment, aerospace applications, testing systems, automation equipment, and countless other industries.

09/08/2026

Proportion-Air can build a liquid pressure control assembly to control the pressure of oil in a fuel pump test. Our QB2 is used to pilot the liquid regulator with our DST transducer providing direct feedback to the QB2. This assembly provides accuracy up to +/-0.5%.

A QB2 receives a command signal from a PLC or controller equivalent to the air pressure required to open the diaphragm of the liquid non-venting regulator, allowing the desired amount of fluid oil pressure to pass through. The DST stainless steel pressure transducer is measuring the pressure of the fluid and is providing a second loop feedback to the QB2. The monitor signal can be connected to the PLC or digital panel meter to display the exact pressure going to the fuel pump.

We build our own non-venting liquid regulators with our Burling Valve brand. Learn more about the QB2 here and here.

09/08/2026

In Division 1 hazardous locations, ignitable materials may be present during normal operating conditions, maintenance, leakage, or equipment failure.

That is why intrinsically safe pressure control can be critical for certain applications.

Learn more about Proportion-Air’s FM approved intrinsically safe solutions.

09/07/2026

Protect-Air regulators are built for facilities that use compressed air every day.

They help management and maintenance teams protect employees and equipment by limiting outlet pressure and reducing the chance of compressed air-related damage.

09/07/2026

Precision matters. That's why our YouTube channel showcases the performance, accuracy, and repeatability that have made Proportion-Air a global leader in electro-pneumatic control.

The BD6 Back Pressure Dome-Loaded Regulator offers a reliable and e...

09/06/2026

Sometimes precision pressure control helps build products. Other times, it helps support a 3.6-meter telescope mirror on top of a Hawaiian volcano.

Read the article to learn how Proportion-Air regulators helped improve the Canada-France-Hawaii Telescope’s mirror support system with accurate, efficient closed-loop control.

An optical/infrared telescope recently got a mirror control upgrade that is more accurate and cuts costs.

09/05/2026

Think your application is too small?

We helped a medical device manufacturer control the tiny flow of blood cells through a blood gas analyzer with exceptional precision.

Small challenges are welcome too.