Based on the table of contents, the is structured to guide engineers through the entire lifecycle of a valve:
As a copyrighted technical standard, the full PDF is not legally available for free download. Authorised versions can be purchased from official distributors: API RP 553 - Accuris Standards Store
Detailed requirements for positioners, limit switches, solenoids, and handwheels. api 553 pdf
Offers extensive recommendations for Emergency Block Valves (EBVs) and on/off valves used in Safety Instrumented Systems (SIS).
Provides criteria for piston and diaphragm-actuated control valves (both double-acting and spring-return). Based on the table of contents, the is
Covers sizing, fugitive emissions, and the physical effects of flashing, cavitation, and noise.
It superseded the 1998 edition, which was titled "Refinery Control Valves". Key Technical Scope Key Technical Scope The 2nd Edition, published in
The 2nd Edition, published in October 2012, is the current active version.
Guidelines for choosing the right valve body and trim (e.g., 300 series stainless steel) based on the specific refinery service.
The standard captures industry knowledge to solve common problems related to control and safety valves. It is primarily used by engineers to ensure that all technical details—beyond just material and size—are included in valve data sheets, such as stem diameters and wall thicknesses.