2　Normative References

Articles contained in the following documents as referenced herein shall constitute a part of this Specification.

For the reference codes and standards with edition date，their subsequent amendments（excluding corrigenda）or revised versions are not applicable to this Specification.However，the involved parties who have reached an agreement based on this Specification are encouraged to study and determine for adoption of the latest versions of such codes and standards.

While for those without date noted，their latest revisions shall be applicable to this Specification.

GB/T 2624　Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted in Circular Cross-section Conduits Running Full

GB/T 15386　Air Cooled Heat Exchangers

GB 50160　Fire Prevention Code of Petrochemical Enterprise Design

GBZ 125　Radiological Protection Requirements for Gauges Containing Sealed Radioactive Sources

SH/T 3039　General Seismic Rules of Non-buried Piping for Petrochemical Industry

SH/T 3146　Design Specification for Noise Control in Petrochemical Industry

API Std 610　Centrifugal Pumps for Petroleum，Petrochemical and Natural Gas Industries

API Std 617　Axial and Centrifugal Compressors and Expander-compressors for Petroleum，Chemical and Gas Industry Services

NEAM SM23　Steam Turbine for Mechanical Driver Service