Slider-ProAir-Electronic-Pressure Controls

Our Complete Line of Electronic Air Pressure Regulators

Proportion-Air’s core focus is offering a complete line of electronic air pressure regulators. It seems like every pneumatic control valve company offers a line of electronic pressure regulators these days. EPR’s (Electronic Pressure Regulators) are an auxiliary product to these companies.  Some of them even offer advanced features or low cost.

As long as the electronic pressure regulator offered in their catalog matches what you want, you might be well served buying an EPR from a company which offers many types of pneumatic products.  But you’ll need to get your checkbook and your calendar out if you’d like an electronic pressure regulator that is anything outside of a catalog 0-100 psig plain vanilla model.

Proportion-Air focuses on your needs and builds a regulator to match them. We back up our pressure regulators with experienced people who actually answer the phone when you call.

Heaven help you if you need a technical question answered by many of our competitors who make EPRs or worse yet, immediate focus on you as a customer if you have a machine go down. At Proportion-Air, we only build electronic air pressure regulators and air flow controls.

Our competitors build thousands of products, one of which is an electronic pressure regulator. We build only electronic pressure regulators, but we customize them in thousands of ways.


What Our Customers Say

  • What an excellent process you have for specifying parts for your customers. I am very impressed.

    Jamison B. - Monrovia, CA

  • I met with Bill today...He was impressed by your knowledge and application of your products and wanted me to thank you for your excellent support.

    Bob R. - Newark, CA

  • It is really a pleasure to work with Proportion-Air. You cannot imagine what kind of problems I have with some manufacturers. Thank you very much!

    Sungur - Istanbul, Turkey

  • I'm astonished for the quickest answer ever!

    Alessio B. -Bologna, Italy

  • I'm happy to report that the trial on the QPV1 has been going well. I'm quite impressed by the performance of the unit. I'm also very impressed by the service that I received from Nick Archer which I think merits specific attention. Nick has been extremely responsive to my emails and questions. He has been patient, has kept his word, and has always replied to me quickly with an answer or a reply to my questions. Nick has provided me with what I, and certainly others in my group, consider to be a perfect example of top notch high quality customer service.

    John C. - Columbus, Ohio

Do You Have a Question?

Call Us from Indianapolis : 317-689-0608

Let's Talk: 877-331-1738
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