Pressure retaining item definition

Pressure retaining item. (PRI) means a boiler, pressure vessel, piping or material used for the containment of pressure, either internal or external. The pressure may be obtained from an external source, or by the application of heat from the direct source, or any combination thereof.
Pressure retaining item means boiler, pressure vessel, or pressure system.

Related to Pressure retaining item

  • Positive pressure respirator means a respirator in which the pressure inside the respiratory inlet covering exceeds the ambient air pressure outside the respirator.

  • Stormwater management planning area means the geographic area for which a stormwater management planning agency is authorized to prepare stormwater management plans, or a specific portion of that area identified in a stormwater management plan prepared by that agency.

  • Diatomaceous earth filtration means a process resulting in substantial particulate removal in which a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.

  • Power Plant means a facility for the generation of

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  • medium voltage means the set of nominal voltage levels that lie above low voltage and below high voltage in the range of 1 kV to 44 kV;

  • MAOP means the maximum allowable operating pressure of the Maui Pipeline or any part of it, as set out in Schedule 6.

  • Planning area means a planning area or a development area or a local planning area or a regional development plan area, by whatever name called, or any other area specified as such by the appropriate Government or any competent authority and includes any area designated by the appropriate Government or the competent authority to be a planning area for future planned development, under the law relating to Town and Country Planning for the time being in force and as revised from time to time;

  • High global warming potential hydrofluorocarbons means any hydrofluorocarbons in a particular end use for which EPA’s Significant New Alternatives Policy (SNAP) program has identified other acceptable alternatives that have lower global warming potential. The SNAP list of alternatives is found at 40 CFR part 82, subpart G, with supplemental tables of alternatives available at (http://www.epa.gov/snap/ ).

  • Aquatic plant means a plant, including the roots, which typically floats on water or requires water for its entire structural support, or which will desiccate outside of water.

  • Interconnection Feasibility Study means either a Generation Interconnection Feasibility Study or Transmission Interconnection Feasibility Study.

  • Water Surface Elevation (WSE means the height, in relation to NAVD 1988, of floods of various magnitudes and frequencies in the floodplains of riverine areas.

  • Generation Unit means a facility that converts a fuel or an energy resource into electrical energy.

  • Evaporative emissions means the hydrocarbon vapours lost from the fuel system of a motor vehicle other than those from exhaust emissions;

  • Production Unit means a facility for generation of electricity made up of a single generation unit or of an aggregation of generation units;