Ultraminiature low-pressure regulator

Nov. 6, 2003
Advances in controls and networks combined with components that pack more punch have opened the door to more-precise, durable, and economical pneumatic systems.
The PRD-1-N-1 miniature regulator handles inlet pressures to 300 psig and controls outlet pressure to 0.5 psig.

A new ultraminiature pressure regulator is designed to control outlet pressures down to 0.5 psig. The PRD-1-N-1 regulator from Beswick Engineering, Greenland, N.H., is said to be suited for gas and pneumatic pressure-regulation applications, particularly when space and weight are critical. Maximum width is 1.03 in., maximum height is 1 in., and body height is only 0.69 in.

The unit controls output pressures from 0 to 30 psig and is especially suited to low pressure regulation, for instance 0.5 psig. Output pressure adjustments are made with a screwdriver. Maximum rated inlet supply pressure is 300 psig, and both inlet and outlet ports are tapped 10-32 UNF.

The regulator weighs only 26.5 gm in brass and 15 gm in aluminum. The light weight permits in-line installation without the need for panel mounting. The nonrelieving regulator features Buna-N O-ring seals and diaphragm. Optional seal and diaphragm materials are available.

Applications include hydrogen fuel cells, medical equipment, instruments, laboratory equipment, ink-jet print engines, and semiconductor-manufacturing equipment.

About the Author

Kenneth Korane

Ken Korane holds a B.S. Mechanical Engineering from The Ohio State University. In addition to serving as an editor at Machine Design until August 2015, his prior work experience includes product engineer at Parker Hannifin Corp. and mechanical design engineer at Euclid Inc. 

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