Proportion-Air, Inc. Datasheets for Control Valves

Control valves or proportional valves are power-operated devices used to modify fluid flow or pressure rate in a process system.
Control Valves: 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.
Electro-pneumatic closed loop pressure control valve. Pressure ranges from full vacuum up to 300 psig. Variety of analog and digital command signals. Din-Rail, panel mount or up to 12 stations...
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...
Electro-pneumatic 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 +/-0.02% F.S.
Stainless steel angle seated control valve for liquid and gases: This valve incorporates an integral closed loop pneumatic positioning system. Built in LVDT (Linear Variable Differential Transformer) guarantees valve positioning.
The DQB3 is a complete electronic pressure control valve package consisting of two feed and bleed solenoid valves, a control circuit, a pressure transducer, an integral air pilot operated volume...
Ultra High Resolution electro-pneumatic closed loop proportional pressure control valves with a digital display. The QPV utilizes a variable orifice valve on the inlet side which eliminates the digital steps...
Ultra High Resolution electro-pneumatic closed loop proportional pressure control valves with a digital display. Two loop version accepts a feedback from wide ranges of external sensors. The QPV utilizes a...
Ultra High Resolution electro-pneumatic closed loop proportional pressure control valves. The MPV utilizes a variable orifice valve on the inlet side which eliminates the digital steps of traditional ON/OFF solenoid:...
Ultra High Resolution electro-pneumatic closed loop proportional pressure control valves. The QPV utilizes a variable orifice valve on the inlet side which eliminates the digital steps of traditional ON/OFF solenoid:...
Ultra High Resolution electro-pneumatic closed loop proportional pressure control valves. Two loop version accepts a feedback from a wide ranges of external sensors.The MPV utilizes a variable orifice valve on...
Ultra High Resolution electro-pneumatic closed loop proportional pressure control valves. Two loop version accepts a feedback from wide ranges of external sensors. The QPV utilizes a variable orifice valve on...