pressure-relief device

pressure-relief device

[′presh·ər ri‚lēf di‚vīs]
(mechanical engineering)
In pressure vessels, a device designed to open in a controlled manner to prevent the internal pressure of a component or system from increasing beyond a specified value, that is, a safety valve.
A spring-loaded machine part which will yield, or deflect, when a predetermined force is exceeded.

pressure-relief device

A disk which is designed to open or a device which is designed to rupture automatically in order to relieve pressure within a system.
References in periodicals archive ?
The guts of a standard toilet actually function as a pressure-relief device.
The escaped fuel probably came from either a pressure-relief device in the main fuel tank, which may have released fuel during the air-to-air refuelling, or a leaking fuel coupling.
Chairs, wheelchairs, and heel protection need to be included in your pressure-relief device plan.
Review the pressure-relief devices policy or protocol yearly, as technology changes and new devices may become available.
The survey covers several components including valves, connectors, pressure-relief devices, open-ended lines, flanges, compressors and thief hatches on controlled storage tanks, among others.
Addendum a modifies and clarifies the requirements for discharge of pressure-relief devices, including locations where refrigerant may be safely discharged in the event of a release.
Pressure-relief devices or fusible plugs shall be sized in accordance with 9.
The gap between pipework into which pressure-relief devices are inserted.
Elfab is the first manufacturer of pressure-relief devices to have had its panels ATEX-approved as a "Protective System" (when used with an Elfab-sanctioned frame).

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