GB/T 27940-2011Single-stage positive displacement refrigerant compressors parallel unit for commercial refrigeration application (English PDF)
制冷用容积式单级制冷压缩机并联机组
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 30, 2011
Implementation date
October 1, 2012
Scope
GB/T 27940-2011 is the English-translated version of 制冷用容积式单级制冷压缩机并联机组.
GB/T 27940-2011 is the Chinese standard "Single-stage positive displacement refrigerant compressors parallel unit for commercial refrigeration application".
Its scope clause reads: This standard specifies the volume of single-stage refrigeration compressor refrigeration units in parallel (hereinafter referred to as "units") terms and definitions, types and groups The parameters, requirements, test methods, inspection rules, marking, packaging, transportation and storage.
This standard applies to R22, R134a, R404A, R407C, R410A and R507 as a refrigerant for cooling the volume of single-stage refrigeration Parallel compressor unit.
Use other refrigerants and refrigeration displacement single-stage refrigeration compressor unit in parallel with the economy can be implemented by reference. Its clauses include terms and definitions.
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Document preview — GB/T 27940-2011
National Standard of the People's Republic of China
- ICS
- 27.200
- Classification
- J 73
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
1 Scope
This standard specifies the volume of single-stage refrigeration compressor refrigeration units in parallel (hereinafter referred to as "units") terms and definitions, types and groups
The parameters, requirements, test methods, inspection rules, marking, packaging, transportation and storage.
This standard applies to R22, R134a, R404A, R407C, R410A and R507 as a refrigerant for cooling the volume of single-stage refrigeration
Parallel compressor unit.
Use other refrigerants and refrigeration displacement single-stage refrigeration compressor unit in parallel with the economy can be implemented by reference.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB 150 Pressure Vessel
GB/T 191 Packaging - Pictorial signs
GB 5226.1 Electrical safety of machinery, mechanical and electrical equipment - Part 1. General requirements
GB/T 5773 displacement refrigerant compressor performance test methods
GB/T 6388 transport package shipping mark
GB 9237 cooling and heating with a mechanical refrigeration system security requirements
GB/T 10079 single - stage reciprocating refrigerant compressors
GB/T 12241 General requirements for safety valve
GB/T 13306 signs
GB/T 13384 mechanical and electrical products packaging General technical conditions
GB/T 16630 refrigerating machine oil
GB/T 18429 hermetic scroll compressor refrigeration
GB/T 19410 screw refrigeration compressors
GB 25131 vapor compression cycle with cold water (heat pump) Safety requirements
Determination of JB/T 4330-1999 refrigeration and air conditioning equipment noise
JB/T 7245 refrigeration apparatus with shut-off valve
JB/T 7249 term refrigeration equipment
JB/T 7961 refrigerant pressure, differential pressure controller
NB/T 47012 refrigerating apparatus pressure vessels
3 Terms and Definitions
JB/T 7249 defined by the following terms and definitions apply to this document.
3.1 The volume of single-stage refrigeration compressor unit in parallel
By two or more single-stage refrigeration compressor displacement is connected through an intake manifold and exhaust manifold in parallel, and other auxiliary equipment (such as oil
GB/T 25861-2023 | GB/T 25127.1-2020 | GB/T 25127.2-2020 | GB/T 27941-2026 | GB/T 27942-2011 | GB/T 27941-2011 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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