Company record
Proportion‑Air, Inc. designs and manufactures custom pressure, vacuum and flow control solutions, offering electronic air pressure control valves, regulators, flow control valves and closed‑loop electro‑pneumatic systems. Its product line includes regulators, precision pressure regulators, pressure control valves, flow monitors, flow controllers, pressure sensors, potentiometers, panel meters, power supplies, power cords, brackets and inline sintered filters. The company provides full‑scale design engineering, prototyping, testing and validation services, and supports manufacturing processes such as converting, die casting, dispensing, injection molding, process control, spraying and welding. Customers benefit from application assistance and rapid quoting, typically delivered within six hours. Proportion‑Air serves a broad spectrum of markets, including aerospace, automotive, environmental, food processing, glass, instrumentation, medical, laser, optical instruments and lenses, packaging, pharmaceutical, plastics, pulp and paper, railroad, robotics, rubber, semiconductor, specialty machinery, textile and tire industries. All products are manufactured in the United States.
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