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GB 50274-2010Code for construction and acceptance of refrigeration and air seperating equipment installation engineering (English PDF)

制冷设备、空气分离设备安装工程施工及验收规范

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Issued by

Ministry of Housing and Urban-Rural Development

Level / Type

National · Mandatory

Issue date

July 15, 2010

Implementation date

February 1, 2011

Scope

GB 50274-2010 is the English-translated version of 制冷设备、空气分离设备安装工程施工及验收规范.

GB 50274-2010 is the Chinese standard "Code for construction and acceptance of refrigeration and air seperating equipment installation engineering".

Its scope clause reads: This standard is formulated with a view to guaranteeing installation quality and safe operation of refrigeration plant and air separation plant, and promoting technological advances of such installation.

This standard is applicable to the construction and acceptance for installation of the following refrigeration plant and air separation plant: 1 Compression type refrigeration plant with piston type/screw type/centrifugal compressor as mainframe, libr absorption refrigeration unit and sectional cold room; 2 Air separation plant for preparing oxygen, nitrogen and rare gas by cryogenic method.

As for the construction and acceptance of refrigeration plant and air separation plant installation, not only the requirements stipulated in this code, but also those in the current relevant ones of the nation shall be complied with. Its clauses include general provisions.

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Document preview — GB 50274-2010

National Standard of the People's Republic of China

Replacing: GB 50274-1998

Issued by: Ministry of Housing and Urban-Rural Development

1 General Provisions
2 Refrigeration Plant
2.1 Basic Requirements
2.2 Piston Type Refrigeration Compressor/Compressor Unit
2.3 Screw Type Refrigeration Compressor Unit
2.4 Centrifugal Refrigeration Unit
2.5 Libr Absorption Refrigeration Unit
2.6 Sectional Cold Room
3 Air Separation Plant
3.1 Basic Requirements
3.2 Fractionating Column Assembling
3.3 Purging
3.4 System Pressure Testing
3.5 System Cold Test Prior to Insulation Materials Filling
3.6 Filling of Thermal Insulation Materials
3.7 Rare Gas Recovery Plant
3.8 Expansion Turbine
3.9 Piston Expander
3.10 Centrifugal Cryogenic Liquid Pump
3.11 Piston Type Cryogenic Liquid Pump
3.12 Regenerative Refrigerator
3.13 Miscellaneous
3.14 Test Run
4 Acceptance
Appendix A Cleanness Limits of Refrigeration and Air Separation Plant
Appendix B Water Vapor Saturation Pressure under Ambient Temperature

1 General Provisions

1.0.1

This standard is formulated with a view to guaranteeing installation quality and safe operation of refrigeration plant and air separation plant, and promoting technological advances of such installation.

1.0.2

This standard is applicable to the construction and acceptance for installation of the following refrigeration plant and air separation plant:

1 Compression type refrigeration plant with piston type/screw type/centrifugal compressor as mainframe, libr absorption refrigeration unit and sectional cold room;

2 Air separation plant for preparing oxygen, nitrogen and rare gas by cryogenic method.

1.0.3

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 109 pages — is available in the English PDF.

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