relief valve

(redirected from Pressure Operated Relief Valve)
Also found in: Dictionary, Thesaurus.
Related to Pressure Operated Relief Valve: Safety Relief Valve

relief valve

[ri′lēf ‚valv]
(mechanical engineering)

relief valve

relief valves
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.

relief valve

relief valve
A typical oil pressure relief valve.
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.