Proportion-Air, Inc. is a manufacturer of electronic air pressure regulators and air flow control valves. Founded in 1985 Proportion-Air offers a large family of electronic air pressure regulators and air flow control valves that allow you to select the best product to match your exact application requirements.
All of our devices can be custom designed to the specfic application that they are being used. We are able to succeed where many of our competiors cannot within the Pneumatic industry. Proportion-Air, Inc. 's electronic pressure controls and electronic flow controlled products are used in a wide variety of applications throughout the world.