
API RP 591
API RP 591: Process Valve Qualification Procedure
CDN $226.00
This publication was last reviewed and confirmed in 2026.
Description
This recommended practice (RP) provides recommendations for evaluation of a manufacturer’s valve construction for the purpose of determining a manufacturer’s capability to provide new valves manufactured in accordance with the applicable standards listed in Section 2.
Evaluation of valves under this RP is “manufacturing facility specific” and does not cover valves manufactured by other manufacturing facilities, whether owned by the same manufacturer or a third party.
Edition
7
Published Date
2026-02-14
Status
Current
Pages
62
Format 
Secure PDF
Secure – PDF details
- Save your file locally or view it via a web viewer
- Viewing permissions are restricted exclusively to the purchaser
- Device limits - 3
- Printing – Enabled only to print (1) copy
See more about our Environmental Commitment
Abstract
This recommended practice (RP) provides recommendations for evaluation of a manufacturer’s valve construction for the purpose of determining a manufacturer’s capability to provide new valves manufactured in accordance with the applicable standards listed in Section 2. Evaluation of valves under this RP is “manufacturing facility specific” and does not cover valves manufactured by other manufacturing facilities, whether owned by the same manufacturer or a third party.
Previous Editions
Can’t find what you are looking for?
Please contact us at:
Related Documents
-

API RP 2201: Safe Hot Tapping Practices in the Petroleum and Petrochemical Industries
CDN $186.00 Add to cart -

API STD 12R1: Addenda 1
CDN $0.00 Add to cart -

API STD 2610: Design, Construction, Operation, Maintenance and Inspection of Terminal and Tank Facil
CDN $382.00 Add to cart -

API RP 2207: Preparing Tank Bottoms for Hot Work
CDN $241.00 Add to cart







