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GB/T 34020.3-2017: Double wall copper-brazed steel tubes -- Part 3: Tubing system for air conditioner and refrigeration
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 34020.3-2017 | English | 359 |
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Double wall copper-brazed steel tubes -- Part 3: Tubing system for air conditioner and refrigeration
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GB/T 34020.3-2017
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Basic data | Standard ID | GB/T 34020.3-2017 (GB/T34020.3-2017) | | Description (Translated English) | Double wall copper-brazed steel tubes -- Part 3: Tubing system for air conditioner and refrigeration | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H48 | | Classification of International Standard | 77.140.75 | | Word Count Estimation | 18,149 | | Date of Issue | 2017-07-12 | | Date of Implementation | 2018-04-01 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 34020.3-2017: Double wall copper-brazed steel tubes -- Part 3: Tubing system for air conditioner and refrigeration
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Double wall copper-brazed steel tubes - Part 3. Tubing system for air conditioner and refrigeration
ICS 77.140.75
H48
National Standards of People's Republic of China
Double - rolled steel tubes - Part 3. Air conditioners and
Refrigeration equipment piping system tube
Doublewalcopper-brazedsteeltubes-Part 3.Tubingsystemfor
2017-07-12 Posted
2018-04-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
GB/T 34020 "double-rolled steel pipe" is divided into three parts.
--- Part 1. Refrigerator piping system tube;
--- Part 2. Automotive piping system tube;
--- Part 3. Air conditioning and refrigeration equipment piping system pipe.
This section GB/T 34020 Part 3.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part is proposed by China Iron and Steel Association.
This part of the National Standardization Technical Committee Steel (SAC/TC183) centralized.
This part of the drafting unit. Suzhou Huasheng Bondi copper strip Co., Ltd., Wuhu source big Pipe Co., Ltd., Tianjin Friends of the era of automobile
Parts Manufacturing Co., Ltd., Zhangjiagang Yong Bang Pipe Co., Ltd.
The main drafters of this section. Sheng small seven, Wang Ji Branch, Lv Yimin, Yongpei Hao, Sheng Paradise, Yang Shixi.
Double - rolled steel tubes - Part 3. Air conditioners and
Refrigeration equipment piping system tube
1 Scope
GB/T 34020 provisions of this part of the air conditioning and refrigeration equipment piping system double-rolled steel pipe classification and code, size, outside
Shape, weight and tolerances, technical requirements, test methods, inspection rules, packaging, marking and quality certificate.
This section applies to household air conditioners, small and medium-sized central air conditioning and refrigeration equipment, piping systems piping, connecting pipes, evaporative cooling pipes and tubes
A double wound steel pipe (hereinafter referred to as "double pipe").
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 222 steel finished chemical composition tolerance
Tensile testing of metallic materials - Part 1. Test methods at room temperature
GB/T 241 metal tube hydraulic test method
GB/T 242 metal pipe flaring test methods
GB/T 244 metal tube bending test method
GB/T 246 metal tube flattening test methods
GB/T 682 chemical reagents chloroform
GB/T 686 chemical reagent acetone
GB/T 688 chemical carbon tetrachloride
GB/T 2102 acceptance of steel pipe, packaging, marking and quality certificate
GB/T 2975 steel and steel products mechanical properties test sampling location and sample preparation
GB/T 4955 Metallic coatings - Measurement of thickness of coverings - Anodic dissolution coulometry
Nonmagnetic coatings on magnetic substrates - Measurement of thickness of coatings - Magnetic method
GB/T 5270-2005 Metallic coatings on metal substrates - Electrodeposited and chemically deposited adhesive layer adhesion test methods
GB/T 6462 metal and oxide coating thickness measurement microscopy
GB/T 7735-2016 seamless and welded (except submerged arc) automatic eddy current detection of steel pipe defects
GB/T 10125 artificial atmosphere corrosion test salt spray test
Methods of measurement of humidity GB/T 11605-2005
GB/T 15749 quantitative metallographic determination
GB/T 34020.1 double rolled steel tubes - Part 1. tubes for refrigerator piping systems
HJ637 Water quality - Determination of petroleum and animal oils and fats - Infrared spectrophotometry
YB/T 069 copper pipe with welded steel
3 Terms and definitions
GB/T 34020.1 defined terms and definitions apply to this document.
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