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About This Item


Full Description

Covers recommended practices that specifically apply to instrument and control system installations for fired heaters and steam generation facilities in petroleum refinery and other hydrocarbon-processing plants. Also discusses the installation of primary measuring instruments, control systems, alarm and shutdown systems, and automatic start-up and shutdown systems for fired heaters, steam generators, carbon monoxide or was-gas steam generators, gas turbine exhaust-fired steam generators, and unfiredwaste heat steam generators. Although the information has been prepared primarily for petroleum refineries, much of it is applicable without change in chemical plants, gasoline plants, and similiar installations.

Document History

  1. API RP 556 (R2019)


    Instrumentation, Control, and Protective Systems for Gas Fired Heaters, Second Edition

    • Most Recent
  2. API RP 556

    Instrumentation and Control Systems for Fired Heaters and Steam Generators

    • Historical Version