API RP 556:2011(R2019)
Current
The latest, up-to-date edition.
Instrumentation, Control, and Protective Systems for Gas Fired Heaters
Hardcopy , PDF
English
26-04-2019
This recommended practice (RP) provides guidelines that specifically apply to instrument, control and protective system installations for gas fired heaters in petroleum production, refineries, petrochemical and chemical plants.
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