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.
General Product Information:
- Edition:
- 7th
- Published:
- 09/01/2017
- Number of Pages:
- 53
- File Size:
- 1 file , 1.5 MB
