Pressure relief valve definition

Pressure relief valve means any valve designed to open when the process pressure exceeds a set pressure, allowing the release of vapors or liquids until the process pressure is reduced to its normal operating level.
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Pressure relief valve means a pressure relief device that is designed to reclose and prevent the further flow of fluid after normal conditions have been restored. These devices include:
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Pressure relief valve. (discharge valve)" means a device which prevents a pre- determined upstream pressure being exceeded.
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Examples of Pressure relief valve in a sentence

  • Outside repair is defined to include any work on a piece of equipment in a College lab that belongs to a party other than the College.

  • LPG retrofit equipment considered: Container Accessories fitted to the container 2/ 80 per cent stop valve Level indicator Pressure relief valve (discharge valve) Pressure relief device (fuse) Remote controlled service valve with excess flow valve With/without LPG fuel pump 2/ Multivalve, including the following accessories: ..................................................

  • The tank shall be supplied complete with:(a) Filing valve, take off connection with first stage regulator, Pressure relief valve, Pressure gauge and magnetic float gauge, all housed under a lockable-hinged cover, forming integral part of the tank.(b) Drain plug.(c) Main isolating Valve.(d) Lifting lugs welded at both ends of the tank(e) Mounting feet welded to the base of tank .These shall be used to bolt the tank to a concrete base to secure it.

  • Nutter Explanation of Need: Pressure relief valve manufacturers must produce valve parts that comply with ASME Code requirements to be able to apply the ASME Symbol Stamp and Designator to a new valve.

  • Pressure relief valve shall be manufactured in accordance with a national or international standard and be certified for capacity or flow resistance by the National Board.


More Definitions of Pressure relief valve

Pressure relief valve means a pressure actuated valve held closed by a spring or other means and designed to automati- cally relieve pressure at a designated pressure.
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Pressure relief valve means a pressure-activated valve which opens automatically at a specified pressure to discharge fluid;
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Pressure relief valve means a valve used only to release an unplanned, non- routine discharge. A relief valve discharge can result from an operator error, a malfunction such as a power failure or equipment failure, or other unexpected cause that requires immediate venting of gas from process equipment in order to avoid safety hazards or equipment damage.
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Pressure relief valve means a device which opens automatically when the pressure in the part of the gas system to which it is fitted exceeds a set value, reaches its maximum flow capacity when the set value is exceeded by 10%, and closes automatically when the pressure falls below a set value; and
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Pressure relief valve means a valve used only to release an unplanned, nonroutine discharge. A relief valve discharge can result from:
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Pressure relief valve means a type of pressure relief device which consists of a valve that automatically opens when the pressure within the system exceeds a set level and closes when the pressure drops below that level.
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Pressure relief valve means a valve used only to release an unplanned, non-routine discharge. A relief valve discharge can result from an operator error, a malfunction such as a power failure or equipment failure, or other
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