API STD 527

Commercial Seat Tightness of Safety Relief Valves With Metal-to-Metal Seats

Org/Number ID	API STD 527
Alternate Organization ID / number
Version(s)	first edition Sept 1964; Second Edition, January 1978; Third Edition, July 1991
Bin #	0049
Comments
Status	Present
Record last updated	February 20, 2022, 5:07 am

This is not the most recent edition of this standard.

Newer edition note: API STD 527 Seat Tightness of Pressure Relief Valves (2020)