API RP 554
Process Instrument and Control
standard by American Petroleum Institute, 09/01/1995
Full Description
Covers performance requirements and considerations for the section, specification, installation and testing of process instrumentation and control systems. Control centers as used in the petroleum industry are also covered. This practice is not intended to be used as a purchase specification, but makes recommendations from minimum requirements and can be used to provide guidance for the development of detailed designs and specifications.