API Std 526

Original price was: $234.00.Current price is: $117.00.

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

American Petroleum Institute , 09/01/2017

Pages: 54

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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.

Original price was: $175.00.Current price is: $87.00.

Flanged Steel Pressure-relief Valves, Sixth Edition (Includes Errata 1, Errata 2)

American Petroleum Institute , 04/01/2009

Pages: 43

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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.

Original price was: $144.00.Current price is: $72.00.

Flanged Steel Pressure Relief Valves, Fifth Edition

American Petroleum Institute , 06/01/2002

Pages: 42

Category:
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; and center-to-face dimensions, inlet and outlet.