API Std 526

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.

Product Details

Edition:

5th

Published:

06/01/2002

Number of Pages:

42

File Size:

1 file , 310 KB

Product Code(s):

C52605, C52605R, C52605, C52605R, C52605, C52605R

Note:

This product is unavailable in Russia, Cuba, Syria, North Korea, Ukraine, Belarus, Iran

API Std 526 – Flanged Steel Pressure-relief Valves, Seventh Edition, Includes Errata 1 (2018)

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.

Product Details

Edition:

7th

Published:

09/01/2017

Number of Pages:

53

File Size:

1 file , 1.5 MB

Redline File Size:

2 files , 10 MB

Product Code(s):

?52607R, C52607, C52607, ?52607R, C52607, C52607, C52607, C52607, ?52607R

Note:

This product is unavailable in Russia, Cuba, Syria, North Korea, Ukraine, Belarus, Iran