API Std 526

Flanged Steel Pressure-relief Valves, Seventh Edition, Includes Errata 1 (2018)

American Petroleum Institute , 09/01/2017

Publisher: API

File Format: PDF

$117.00$234.00


Please note that any addenda or errata may not be included in translated editions of this standard.This standard is a purchase specification for flanged steel pressure-relief valves. Basic requirements are given for direct spring-loaded pressure-relief valves and pilot-operated pressure-relief valves as follows:— orifice designation and area;— valve size and pressure rating, inlet and outlet;— materials;— pressure-temperature limits;— center-to-face dimensions, inlet and outlet.Nameplate nomenclature and requirements for stamping are detailed in Annex A.

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