API STD 527 : 2020
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Seat Tightness of Pressure Relief Valves
Hardcopy , PDF
English
31-07-2020
26-08-2025
This standard describes methods of determining the seat tightness of metal- and soft-seated pressure relief valves, including those of conventional, bellows, and pilot-operated designs.
| DocumentType |
Standard
|
| Pages |
13
|
| ProductNote |
This product is unavailable in Cuba, Iran, North Korea, Syria
|
| PublisherName |
American Petroleum Institute
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| API BULL 592:2025 | Elements of a Fixed Equipment Mechanical Integrity (FE MI) Program |
Access your standards online with a subscription
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.
Important note : All end users must be registered with an Account prior to user licenses being assigned.Logging out.