Proportion-Air, Inc.

Proportion-Air, Inc. is a manufacturer of electronic air pressure regulators and air flow control valves. Founded in 1985 by corporate President Daniel E. Cook 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.

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Minnesota, Western Wisconsin, North Dakota, South Dakota
Product Classes
Proportional Regulator, Valves, Closed Loop I to P