2　Normative References

Provisions contained in the following documents as referenced herein 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 according to this specification are encouraged to investigate the possibility of applying the latest editions of the references listed below.

For following standards without the year note，their latest versions apply to this specification.

GB150　Steel Pressure Vessels

GB 5044　Classification for Harmfulness of Occupational Contact with Toxic Medium

GB 12337　Steel Spherical Tanks

GB 16409　Plate Heat Exchanger

GB 50341　Code for Design of Vertical Cylindrical Welded Steel Oil Tanks

HG 20517　Steel Low-Pressure Fluid Seal Gas Holder

HG 20660　Classification for Toxicity and Explosiveness of Chemical Medium in Pressure Vessels

HG/T 20671　Lead Lined Chemical Equipment

HG/T 20676　Brick Lined Chemical Equipment

HG/T 2371　Glass Lined Open Vessels for Agitators

HG/T 2372　Glass Lined Close Vessels for Agitators

HG/T 2373　Glass Lined Open Storage Tanks

HG/T 2374　One Pieces Glass-lined Steel Vessels for Storage

HG/T 2375　Horizontal Glass-lined Steel Vessels for Storage

JB/T 4710　Steel Vertical Vessels Supported by Skirts

JB/T 4731　Steel Horizontal Vessels on Saddle Supports

JB/T4735　Steel Welded Atmospheric Vessels

JB/T 4751　Spiral Heat Exchangers

SH 3078　Specification for the Design of Vertical Cylindrical Steel and Aluminum Silos

TSG R0004　Supervision Regulation on Safety Technology for Stationary Pressure Vessels