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GB/T 41320-2022Non-household gas-fired space heater (English PDF)

非家用燃气取暖器

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 9, 2022

Implementation date

October 1, 2022

Scope

GB/T 41320-2022 is the English-translated version of 非家用燃气取暖器.

GB/T 41320-2022 is the Chinese standard "Non-household gas-fired space heater".

Its scope clause reads: This document specifies the classification and type, structure and material, performance, test method of non-domestic gas heaters (hereinafter referred to as "heaters") law, inspection rules, signs and instructions, packaging, transportation and storage.

This document applies to the use of gas specified in GB/T 13611, the use of single-phase power supply rated voltage not greater than 250V, single burner A heater with a rated heat load not greater than 120kW.

This document does not apply to. a) heaters installed outside and used outside; b) heaters specially designed for process use; c) heaters used in moving transport vehicles.

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Document preview — GB/T 41320-2022

National Standard of the People's Republic of China

ICS: 91.140
Classification: P 45

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Classification and Model
4.1 Category
4.2 Model
5 Structure, parts and materials
5.1 Structure
5.2 Parts
5.3 Materials
5.4 Special requirements for condensing heaters
5.5 Special requirements for portable heaters
5.6 Special requirements for direct convection heaters
5.7 Electrical construction of heaters using alternating current
6 Performance
6.1 Stability
6.2 Air tightness of gas passage
6.3 Heat Load Accuracy
6.4 Combustion conditions
6.5 Safety devices
6.6 Anti-backdraft fume extraction hood
6.7 Thermal efficiency
6.8 Particular requirements for heaters with combustion fans
6.9 Wind resistance
6.10 Temperature rise
6.11 Operational safety
6.12 Electrical requirements for heaters using alternating current
6.13 Electromagnetic compatibility safety
6.14 NOx pollution
7 Test methods
7.1 Test conditions
7.2 Stability
7.3 Air tightness of gas passage
7.4 Thermal Load Accuracy
7.5 Combustion conditions
7.6 Safety devices
7.7 Anti-backdraft fume hood
7.8 Thermal efficiency
7.9 Particular requirements for heaters with combustion fans
7.10 Wind resistance
7.11 Temperature rise
7.12 Operational safety
7.13 Electrical requirements for heaters using alternating current
7.14 Electromagnetic Compatibility Safety
7.15 NOx pollution
8 Inspection rules
8.1 Factory inspection
8.2 Type inspection
8.3 Inspection items and unqualified classification
9 Signs and Instructions
9.1 Signs
9.2 Instructions
10 Packaging, transport and storage
10.1 Packaging
10.2 Transport
10.3 Storage
Appendix B (Informative) Schematic Diagram of Heater Structure Classified by Smoke Exhaust Method
Appendix C (normative) Electromagnetic Compatibility Safety
Appendix D (normative) NOx pollution

1 Scope

This document specifies the classification and type, structure and material, performance, test method of non-domestic gas heaters (hereinafter referred to as "heaters") law, inspection rules, signs and instructions, packaging, transportation and storage.

This document applies to the use of gas specified in GB/T 13611, the use of single-phase power supply rated voltage not greater than 250V, single burner

A heater with a rated heat load not greater than 120kW.

This document does not apply to.

a) heaters installed outside and used outside;

b) heaters specially designed for process use;

c) heaters used in moving transport vehicles.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 191 Graphical signs of packaging, storage and transportation

GB/T 3280 Stainless Steel Cold Rolled Steel Plate and Strip

GB/T 4208 enclosure protection class (IP code)

GB/T 7306 (all parts) 55° sealing pipe thread

GB/T 7307 55° unsealed pipe thread

GB/T 9124.1 Steel Pipe Flanges Part 1.PN Series

GB/T 9144 Ordinary Thread Preferred Series

GB/T 13611 Classification and basic characteristics of urban gas

GB/T 16411-2008 General test method for household gas appliances

GB 16914-2012 Safety technical conditions for gas burning appliances

GB/T 17626.2-2018 Electromagnetic Compatibility Test and Measurement Technology Electrostatic Discharge Immunity Test

GB/T 17626.4-2018 Electromagnetic Compatibility Test and Measurement Technology Electrical Fast Transient Burst Immunity Test

GB/T 17626.5 Electromagnetic Compatibility Test and Measurement Technology Surge (Shock) Immunity Test

GB/T 17626.6 Electromagnetic Compatibility Test and Measurement Technology Conducted Disturbance Immunity Induced by Radio Frequency Fields

GB/T 17626.11 Electromagnetic Compatibility Test and Measurement Technology Voltage Dips, Short Interruptions and Voltage Change Immunity Test

GB/T 19212.7 Safety Section 7 of Transformers, Reactors, Power Supply Units and Similar Products with Power Supply Voltage of 1100V and Below

Part. Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers

GB 25034-2020 Gas Heating Water Heaters

GB 35844 Bottled LPG Pressure Regulator

GB/T 37499 Automatic and semi-automatic valves, special requirements for safety and control devices for gas burners and burning appliances

GB/T 38693 Special requirements for safety and control devices for gas burners and burning appliances […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 33 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 7306

Similar standards

GB/T 47548-2026|GB/T 47895-2026|GB 45833-2025|GB 46765-2025|GB/T 26002-2025|GB/T 28885-2025

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