relief valve(redirected from Pressure release valve)
Also found in: Dictionary, Thesaurus.
Related to Pressure release valve: thermal relief valve
relief valve[ri′lēf ‚valv]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A valve installed in a system to relieve pressure in excess of a preset limit by discharging a portion of the contents of the system.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
A pressure-control valve in any fluid system, which limits the pressure in the system by releasing it at a preset value. The pressure is not allowed to be built up above this preset figure.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved