API RP 553

Podrobné informace

Označení: API RP 553

Datum vydání: 01.05.2026

Stran: 142

Země: Americká technická norma

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Anotace

Please note that any addenda or errata may not be included in translated editions of this standard.

This recommended practice addresses the requirements of automated valves in refinery and related services. Recommended criteria are provided for the sizing and selection, specification, material selection, flow characteristic evaluation, fugitive emissions, and application of control valve assemblies. Criteria considerations, such as flashing, cavitation, outgassing, noise, and others, are discussed.Recommendations for emergency block and vent valves, on/off valves intended for safety instrumented systems (SISs), and special design valves for refinery services, such as actuators on fluid catalytic cracking unit (FCCU) slide valves, and vapor depressurizing systems are also included in this recommended practice.