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SN/T 5277-2020: (Technical requirements for imported boilers and pressure vessels Household heating, hot water gas boilers)
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| SN/T 5277-2020 | English | 139 |
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(Technical requirements for imported boilers and pressure vessels Household heating, hot water gas boilers)
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SN/T 5277-2020
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PDF similar to SN/T 5277-2020
Standard similar to SN/T 5277-2020 GB/T 21087 CJ/T 395 GB 25034 SN/T 1994.3 Basic data | Standard ID | SN/T 5277-2020 (SN/T5277-2020) | | Description (Translated English) | (Technical requirements for imported boilers and pressure vessels Household heating, hot water gas boilers) | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | P46 | | Word Count Estimation | 6,664 | | Date of Issue | 2020-08-27 | | Date of Implementation | 2021-03-01 | | Regulation (derived from) | General Administration of Customs Announcement No. 98 [2020] | | Issuing agency(ies) | General Administration of Customs | SN/T 5277-2020: (Technical requirements for imported boilers and pressure vessels Household heating, hot water gas boilers)
---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.
Technical requirements for inspection of imported boilers and pressure vessels
- Household gas-fired heating and hot water combi-boilers
The People's Republic of China Entry-Exit Inspection and Quarantine Industry Standards
Technical requirements for imported boilers and pressure vessels
Household heating, hot water gas boiler
2020-08-27 release
2021-03-01 implementation
Issued by the General Administration of Customs of the People's Republic of China
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed and managed by the General Administration of Customs of the People's Republic of China.
Drafting organizations of this standard. Tianjin Customs of the People's Republic of China, Nanjing Customs of the People's Republic of China.
The main drafters of this standard. Sun Jianhua, Zhang Tao, Liu Kai, Xue Jun, Cui Kai.
Technical requirements for imported boilers and pressure vessels
Household heating, hot water gas boiler
1 Scope
This standard specifies the technical requirements for imported household heating and hot water gas boilers (hereinafter referred to as appliances).
This standard applies to the rated heat input less than or equal to 70kW, the maximum heating working water pressure is less than or equal to 0.3MPa, and the water temperature is not large during operation.
At 95℃, it is a dual-purpose appliance for heating and hot water using atmospheric burners or fan-assisted burners or full premixed burners. It is also suitable for
Single heating appliance.
This standard does not apply to the following appliances.
--Natural exhaust flue type, outdoor type appliances;
--Condensing appliances;
-Volumetric appliances;
- Appliances with two independent combustion systems used for heating and hot water in the same enclosure, including appliances with a common flue between the two.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version is applicable to this
file. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 191 Packaging, storage and transportation pictorial signs
GB 20665-2015 Domestic gas instantaneous water heaters and gas heating water heaters energy efficiency limit values and energy efficiency grades
GB 25034-2010 Gas heating water heater
"Administrative Measures for Compulsory Product Certification Marks" Announcement No. 1 of.2001 of the National Certification and Accreditation Administration Commission
3 Terms and definitions
The following terms and definitions established in GB/T 191, GB 20665-2015, and GB 25034-2010 apply to this document.
3.1
Boiler
A device that uses various fuels, electricity or other energy sources to heat the contained liquid to certain parameters and output thermal energy to the outside.
4 Technical requirements
4.1 General requirements
Imported domestic heating and hot water gas boilers shall comply with the provisions of Chinese laws, administrative regulations and the relevant safety and environmental regulations of the country.
Mandatory requirements for environmental protection, hygiene and health.
If the contract has technical performance requirements, it shall also meet the contract requirements.
Products that belong to the "Catalog of Compulsory Product Certification" should also obtain the corresponding "China National Compulsory Product Certification Certificate" and follow
Use and apply certification marks in accordance with the "Management Measures for Compulsory Product Certification Marks".
4.2 Material and structure requirements
4.2.1 The materials of imported household heating and hot water gas boilers should meet the requirements of Article 5.2 of GB 25034-2010.
4.2.2 The structure of imported domestic heating and hot water gas boilers should meet the requirements of Article 5.3 of GB 25034-2010.
4.2.3 The regulating devices, control devices and safety devices of imported domestic heating and hot water gas boilers shall comply with the provisions of GB 25034-2010.
Provision 5.4.
4.2.4 The thermostats and water temperature limiting devices of imported household heating and hot water gas boilers shall comply with Article 5.5 of GB 25034-2010
Regulations.
4.2.5 Imported household heating and hot water gas boilers should be equipped with safety valves and pressure gauges, and the heating water should not damage the expansion tank film.
4.2.6 Imported household heating and hot water gas boilers should be equipped with automatic exhaust devices.
4.2.7 Imported household heating and hot water gas boilers should have automatic antifreeze function.
4.2.8 Imported domestic heating and hot water gas boilers should have two gas pressure measuring points to ensure that the inlet pressure of the appliance and the front of the nozzle can be measured.
pressure. The outer diameter of the pressure measuring tube is 0
5.00.9
mm, the effective length is greater than or equal to 10 mm, and the smallest part aperture is less than or equal to 1 mm. Manometer
It should not affect the air tightness of the gas path.
4.3 Safety, health and environmental protection requirements
4.3.1 The energy efficiency limit value and energy saving evaluation value of imported household heating and hot water gas boilers should comply with Chapter 4 of GB 20665-2015
Claim.
4.3.2 The combustion conditions of imported domestic heating and hot water gas boilers should meet the requirements of Article 6.6 of GB 25034-2010.
4.3.3 The noise of imported domestic heating and hot water gas boilers shall comply with the provisions of Article 6.10 of GB 25034-2010.
4.3.4 The electrical safety requirements of imported household heating and hot water gas boilers shall meet the requirements of Article 6.11 of GB 25034-2010.
4.3.5 The electromagnetic compatibility safety of imported household heating and hot water gas boilers shall meet the requirements of Article 6.12 of GB 25034-2010.
4.4 Performance requirements
4.4.1 The airtightness of imported household heating and hot water gas boilers should meet the requirements of Article 6.2 of GB 25034-2010.
4.4.2 The heat input and heat output of imported domestic heating and hot water gas boilers shall comply with the provisions of Article 6.3 of GB 25034-2010.
4.4.3 The operational safety of imported domestic heating and hot water gas boilers shall comply with the provisions of Article 6.4 of GB 25034-2010.
4.4.4 The adjustment, control and safety devices of imported household heating and hot water gas boilers shall comply with Article 6.5 of GB 25034-2010
Regulations.
4.4.5 The thermal efficiency of imported domestic heating and hot water gas boilers shall meet the requirements of Article 6.7 of GB 25034-2010.
4.4.6 The domestic hot water performance of imported domestic heating and hot water gas boilers shall meet the requirements of Article 6.8 of GB 25034-2010.
4.4.7 The water resistance of imported domestic heating and hot water gas boilers should meet the requirements of Article 6.9 of GB 25034-2010.
4.5 Signs, warnings and instructions
4.5.1 The marking of imported domestic heating and hot water gas boilers shall comply with the provisions of Article 9.1 of GB 25034-2010.
4.5.2 The warnings for imported domestic heating and hot water gas boilers shall comply with the provisions of Article 9.2 of GB 25034-2010.
4.5.3 The instructions for imported household heating and hot water gas boilers should meet the requirements of Article 9.3 of GB 25034-2010.
4.6 Packaging, transportation and storage
4.6.1 The packaging of imported household heating and hot water gas boilers should meet the requirements of Article 10.1 of GB 25034-2010.
4.6.2 The transportation of imported household heating and hot water gas boilers shall comply with the provisions of Article 10.2 of GB 25034-2010.
4.6.3 The storage of imported household heating and hot water gas boilers shall comply with the provisions of Article 10.3 of GB 25034-2010.
5 Inspection method
5.1 Unless otherwise specified, the materials and structure of imported household heating and hot water gas boilers shall be inspected through inspection of the structure of the appliance or inspection phase.
Relevant technical data to confirm whether it meets the requirements.
5.2 The safety, health, environmental protection and performance requirements of imported household heating and hot water gas boilers shall be inspected in accordance with GB 25034-2010 and
This part of the inspection should be carried out by a laboratory that has obtained CMA qualification and CNAS qualification.
5.3 The inspection of signs, warnings and instructions for imported household heating and hot water gas boilers shall be inspected to confirm whether they conform to this
Requirements of Article 4.5 of the Standard.
5.4 The inspection of the transportation, packaging and storage of imported household heating and hot water gas boilers shall be carried out by inspection to confirm whether they conform to this standard.
According to the requirements of Article 4.6.
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