API Std 526

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

American Petroleum Institute , 04/01/2009

Publisher: API

File Format: PDF

$87.00$175.00


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.

API Std 526 History

API Std 526

API Std 526

$117.00 $234.00

API Std 526

API Std 526

$87.00 $175.00

API Std 526

API Std 526

$72.00 $144.00

API 526

API 526

$66.00 $133.00

More API Standards PDF

API TR(TECHNICAL REPORT) 6AF3
API Standard 6AV2

API Standard 6AV2

$82.00 $165.00

API TR 7CR

API TR 7CR

$38.00 $77.00

API Std 672 (R2024)

API Std 672 (R2024)

$170.00 $341.00