Active standard | Published: 01/08/2023

API STD 526

Flanged Steel Pressure-relief Valves, Eighth Edition

Available languages: English

Available design: electronic (protected pdf), Print design

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Detail information

Designation: API STD 526

Publication date: 01/08/2023

Pages: 160

Country: American technical standard

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Anotation

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. See more

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