Proportion-Air, Inc. Datasheets for Gas Pressure Regulators

Gas pressure regulators reduce the pressure of a gas, as it passes through a cylinder or process line, to another piece of equipment. Regulators are not flow control devices. They are used to control delivery pressure only.
Gas Pressure Regulators: Learn more

Product Name Notes
1000 psi high pressure control valve. Electronically control pressure ranges from full vacuum up to 1000 psi. Variety of analog and digital command signals. High accuracy of +/- 0.25% F.S.
Closed loop air pressure control valve. Pressure ranges from full vacuum up to 300 psig. Variety of analog and digital command signals. High accuracy of +/- 0.2% F.S. typical with...
Control pressure up to 150 psig and as low as inches of water column
Control pressure up to 200 psig
Electro-pneumatic closed loop pressure control valve. Two loop design accepts a feedback signal from wide ranges of external sensors. Pressure ranges from full vacuum up to 300 psig. Variety of...
High pressure control up to 300 psig
High pressure control up to 350 psig
Modified R-Series for high flow vacuum control
Modified spring for low pressure control is available
Port size is 1/4 inch inlet and 1/2 inch NPT outlet
R-SERIES cleaned for oxygen service and with modified bonnet for fast response
High pressure control up to 300 psig Piston Style Operation allows rapid response High relief flow Port size from 1/4 to 1-1/4 inch NPT