API RP 520 PT II Sizing, Selection, and Installation of Pressure-Relieving Devices in Refineries Part II - Installation

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API RP 520 PT II Document Information:

Title
Sizing, Selection, and Installation of Pressure-Relieving Devices in Refineries Part II - Installation

American Petroleum Institute

Publication Date:
Aug 1, 2003

Scope:

This recommended practice covers methods of installation for pressure-relief devices for equipment that has a maximum allowable working pressure (MAWP) of 15 psig (1.03 bar g or 103 kPA) or greater. Pressure-relief valves or rupture disks may be used independently or in combination with each other to provide the required protection against excessive pressure accumulation. As used in this recommended practice, the term pressure-relief valve includes safety relief valves used in either compressible or incompressible fluid service, and relief valves used in incompressible fluid service. This recommended practice covers gas, vapor, steam, two-phase and incompressible fluid service; it does not cover special applications that require unusual installation considerations.

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