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GB/T 38595-2020Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Mechanical thermostats (English PDF)

燃气燃烧器和燃烧器具用安全和控制装置特殊要求机械式温度控制装置

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

March 31, 2020

Implementation date

February 1, 2021

Scope

GB/T 38595-2020 is the English-translated version of 燃气燃烧器和燃烧器具用安全和控制装置特殊要求机械式温度控制装置.

GB/T 38595-2020 is the Chinese standard "Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Mechanical thermostats".

Its scope clause reads: This standard specifies mechanical temperature control devices for gas burners and combustion appliances that use urban gas specified in GB/T 13611 (Hereinafter referred to as "thermostat") classification, structure and materials, requirements, test methods, inspection rules, signs and instructions for use, packaging, transportation and Store.

This standard is applicable to gas stoves, instant water heaters, volumetric water heaters, hot plate stoves, fryer, heaters and ovens, etc., with the maximum inlet pressure A thermostat that controls the flow of gas in a gas appliance with a force of not more than 10kPa. Its clauses include terms and definitions.

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Document preview — GB/T 38595-2020

National Standard of the People's Republic of China

ICS: 91.140
Classification: P 45

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
1 Scope
2 Normative references
3 Terms and definitions
4 Category
5 Structure and materials
5.1 General requirements
5.2 Structure
5.3 Material
5.4 Gas connection
6 Requirements
6.1 General requirements
6.2 Air tightness
6.3 Torsion and bending
6.4 Durability
6.5 Functional requirements
6.6 Durability
7 Test method
7.1 Test conditions
7.2 Air tightness test
7.3 Torsion and bending test
7.4 Durability test
7.5 Functional requirements test
7.6 Durability test
8 Inspection rules
8.1 Inspection classification
8.2 Factory inspection
8.3 Type inspection
8.4 Inspection items
9 Logo and instruction manual
9.1 Sign
9.2 Operating Instructions
10 Packaging, transportation and storage
10.1 Packaging
10.2 Storage
Appendix A (informative appendix) Structural changes of this standard compared with ISO 23551-9.2015
Appendix B (informative appendix) Technical differences between this standard and ISO 23551-9.2015 and their reasons
Appendix C (informative appendix) This standard supports GB 16914-2012 basic requirements of clause correspondence table

1 Scope

This standard specifies mechanical temperature control devices for gas burners and combustion appliances that use urban gas specified in GB/T 13611 (Hereinafter referred to as "thermostat") classification, structure and materials, requirements, test methods, inspection rules, signs and instructions for use, packaging, transportation and

Store.

This standard is applicable to gas stoves, instant water heaters, volumetric water heaters, hot plate stoves, fryer, heaters and ovens, etc., with the maximum inlet pressure

A thermostat that controls the flow of gas in a gas appliance with a force of not more than 10kPa.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article

Pieces. For undated references, the latest version (including all amendments) applies to this document.

GB/T 191 Packaging, Storage and Transportation Graphic Mark (GB/T 191-2008, ISO 780.1997, MOD)

GB/T 2828.1 Sampling inspection procedure by attributes Part 1.Batch inspection sampling plan retrieved by acceptance quality limit (AQL) (GB/T 2828.1-2012, ISO 2859-1.1999, IDT)

GB/T 13611 Classification and basic characteristics of urban gas

GB/T 30597-2014 General requirements for safety and control devices for gas burners and burning appliances (ISO 23550.2011,

MOD)

3 Terms and definitions

The following terms and definitions defined in GB/T 30597-2014 apply to this document.

3.1 Mechanicalthermostat

No other auxiliary energy is needed, and the gas flow is directly or indirectly controlled according to the temperature sensed by the temperature sensor to maintain the set temperature.

Device.

3.2 Adjustablethermostat

A thermostat that can set the temperature arbitrarily between the minimum and maximum temperature.

3.3 Fixed temperature thermostat

A thermostat whose set temperature is not adjustable.

3.4 Snap-acting thermostat

A thermostat with only two flow levels (ie "maximum flow-off", "maximum flow-maintain flow" or "maintain flow-off").

GB/T 39488 | GB/T 39485 | GB/T 39434 | GB 45833 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 42 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 780.1997 · ISO 2859 · ISO 23550.2011

Cited by

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