GB 25034-2020 English PDFUS$1889.00 · In stock
Delivery: <= 11 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 25034-2020: Gas-fired heating and hot water combi-boiler Status: Valid GB 25034: Historical versions
Basic dataStandard ID: GB 25034-2020 (GB25034-2020)Description (Translated English): Gas-fired heating and hot water combi-boiler Sector / Industry: National Standard Classification of Chinese Standard: P45 Classification of International Standard: 91.140 Word Count Estimation: 102,141 Date of Issue: 2020-10-11 Date of Implementation: 2021-11-01 Older Standard (superseded by this standard): GB 25034-2010 Regulation (derived from): National Standard Announcement No. 21 of 2020 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB 25034-2020: Gas-fired heating and hot water combi-boiler---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.(Gas heating water heater) ICS 91.140 P45 National Standards of People's Republic of China Replace GB 25034-2010 Gas heating water heater 2020-10-11 released 2021-11-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee Table of contentsPreface Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 Classification and model 4 4.1 Classification 4 4.2 Model 5 5 Material, structure and safety requirements 6 5.1 Material 6 5.2 Structure 7 5.3 Regulation, control and safety devices 10 5.4 Remote controller 14 5.5 Additional requirements for modular furnaces 14 6 Performance requirements 14 6.1 Tightness 14 6.2 Heat load and heat output 16 6.3 Operational safety 17 6.4 Regulation, control and safety devices 18 6.5 Burning 21 6.6 Thermal efficiency 22 6.7 Domestic hot water performance 23 6.8 Antifreeze performance of outdoor heating stoves 24 6.9 Durability of condensing furnace heat exchanger 24 6.10 Noise 24 6.11 Electrical safety 25 6.12 Electromagnetic compatibility safety 25 6.13 Risk assessment 25 7 Test method 25 7.1 Test conditions and installation of heating stove 25 7.2 Tightness test 30 7.3 Heat load and heat output test 31 7.4 Operational safety test 34 7.5 Regulation, control and safety device test 37 7.6 Burning test 41 7.7 Thermal efficiency test 43 7.8 Domestic hot water performance test 45 7.9 Antifreeze performance test of outdoor heating stove 47 7.10 Endurance test of condensing heat exchanger 48 7.11 Noise test 48 7.12 Electrical safety test 50 7.13 Electromagnetic compatibility safety test 50 7.14 Risk assessment test 50 8 Inspection rules 50 8.1 Factory inspection 50 8.2 Type inspection 50 8.3 Inspection items and unqualified classification 51 9 Signs and instructions 53 9.1 Sign 54 9.2 Instructions 54 10 Packaging, transportation and storage 57 10.1 Packaging 57 10.2 Transportation 57 10.3 Storage 57 Appendix A (informative appendix) Classification by way of supply/exhaust installation 58 Appendix B (Normative Appendix) Properties of carbon steel and stainless steel 62 Appendix C (Normative Appendix) Chemical Composition of Aluminum Materials for Casting 63 Appendix D (Normative Appendix) Performance of Copper or Copper Alloy Parts 64 Appendix E (Normative Appendix) Minimum wall thickness of rolled parts 65 Appendix F (Normative Appendix) Minimum wall thickness of (water) pressure casting parts 66 Appendix G (informative appendix) Composition of automatic valve gas passage 67 Appendix H (Normative Appendix) NOx Test 70 Appendix I (Normative Appendix) Electrical Safety of Heating Stoves Using AC Power 73 Appendix J (Normative Appendix) EMC Safety 81 Appendix K (Normative Appendix) Risk Assessment 85 Appendix L (Normative Appendix) Condensing boiler heating efficiency correction at 30℃ return water temperature 87 Appendix M (Normative Appendix) Test method of ignition time under rated thermal load 88 Appendix N (informative appendix) Basic risk level 89 Appendix O (Informative Appendix) Security Protection Measures 92 Appendix P (informative appendix) Risk assessment example 94 References 96ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB 25034-2010 "Gas Heating Water Heater". Compared with GB 25034-2010, the main technical changes are as follows. ---Modified the scope (see Chapter 1, Chapter 1 of the.2010 edition); ---Added some terms and definitions (see 3.1, 3.7, 3.8, 3.9, 3.10, 3.18, 3.19, 3.20, 3.21, 3.22, 3.23, 3.24, 3.25 and 3.26); ---Added the classification method (see Chapter 4, Chapter 4 of the.2010 edition); ---Added the requirements for condensing heating stoves (see 5.2.5, 5.2.6, 6.6.1.1.2, 6.6.1.2., 6.6.1.3.2, 6.6.2.2 and 6.9); ---Modified airflow monitoring requirements (see 5.2.4 and 6.4.6, 5.3.5 and 6.5.8 in the.2010 edition); ---Added the requirements for Class 3 pressure heating stoves (see 5.1.4, 6.1.3.1.2 and 6.4.4.2.2.2); ---Added the requirements of the remote controller (see 5.4); ---Added the requirements of the module furnace (see 5.5 and 6.3.5.3); ---Modified the requirements of some control and safety devices (see 5.2.4.2, 5.3.4.2.1, 5.3.7, and 5.3.9.2.1.2, 5.4 and 6.5 of the.2010 edition); ---Modified the requirements of gas system tightness (see 6.1.1, 6.2.1 in.2010 edition); ---Added the requirements for the tightness of the combustion system (see 6.1.2, 6.2.2 of the.2010 edition); ---Added non-condensing furnace exhaust gas temperature requirements (see 6.5.5); ---Modified the thermal efficiency requirements (see 6.6.1.1.1, 6.6.1.3.1 and 6.6.2.1, 6.7 in the.2010 edition); ---Added auxiliary energy consumption requirements (see 6.6.3); ---Modified the performance requirements of domestic hot water (see 6.7.1, 6.7.2, 6.7.5, 6.7.6 and 6.7.7, 6.8.3, 6.8.4.1 and 6.8.7 of the.2010 edition); ---Modified the noise requirements and test methods (see 6.10 and 7.11, see the.2010 edition of 6.10 and 7.10); ---Added the requirements for outdoor heating stoves (see 5.3.10, 6.8 and 6.10); ---Added risk assessment requirements (see 6.13); ---Modified the schematic diagram of thermal performance and thermal efficiency test (see Figure 1, Figure 2, Figure 3, Figure 4 and Figure 8 of the.2010 edition); --- Deleted the requirement that heating stoves should be equipped with manual gas valves [see 5.4.3e) in the.2010 edition]; ---Deleted the requirement of safety temperature limiter (see 5.5.6 of.2010 edition); --- Deleted the requirements for the surface temperature rise of the exhaust pipe (see 6.4.1.4 in the.2010 edition); --- The requirement for carbon deposits has been deleted (see 6.6.4 of the.2010 edition); --- The requirement for water resistance has been deleted (see 6.9 in the.2010 edition); --- Deleted the.2010 version of Figure 1, Figure 2, Figure 5 and Figure 6; --- Deleted Appendix A and Appendix B of the.2010 edition. This standard was proposed and managed by the Ministry of Housing and Urban-Rural Development of the People's Republic of China. The previous versions of the standard replaced by this standard are as follows. ---GB 25034-2010. Gas heating water heater1 ScopeThis standard specifies the terms and definitions, classification and model, material, structure and safety requirements of gas-fired heating water heaters (hereinafter referred to as heating stoves). Performance requirements, test methods, inspection rules, signs and instructions, packaging, transportation and storage. This standard applies to the rated thermal load less than 100kW, the maximum heating working water pressure is not more than 0.6MPa, and the water temperature during work is not more than 95℃, using atmospheric or fully premixed combustion heating stove, including. a) Type 1P and 1G forced exhaust heating stoves in Appendix A; b) The 9P and 9G type forced exhaust fully premixed condensing furnaces with a heat load greater than 70kW in Appendix A; c) 10Z, 10P and 10G outdoor heating stoves in Appendix A. The fuel gas referred to in this standard refers to artificial gas, natural gas and liquefied petroleum gas specified in GB/T 13611.2 Normative referencesThe following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document. GB/T 191 Packaging, Storage and Transportation Graphic Mark GB/T 2828.1 Sampling inspection procedure by attributes Part 1.Batch inspection sampling plan retrieved by acceptance quality limit (AQL) GB/T 3768-2017 Acoustic sound pressure method to determine the sound power level and sound energy level of noise sources using a simple method of envelope measurement surface above the reflecting surface GB 4706.1-2005 Safety of household and similar electrical appliances Part 1.General requirements GB/T 5013.1 Rubber insulated cables with rated voltages up to and including 450/750V Part 1.General requirements GB/T 5023.1 Polyvinyl chloride insulated cables with rated voltages of 450/750V and below Part 1.General requirements GB/T 6663.1 Direct-heated negative temperature coefficient thermistor Part 1.General specification GB/T 7306.1 55° sealed pipe thread part 1.cylindrical internal thread and tapered external thread GB/T 7306.2 55° Sealed Pipe Thread Part 2.Conical Internal Thread and Conical External Thread GB/T 7307 55° unsealed pipe thread GB/T 9124.1 Steel pipe flanges Part 1.PN series GB/T 12113-2003 Measurement method of touch current and protective conductor current GB/T 14536.1-2008 Household and similar electric automatic controllers Part 1.General requirements GB/T 16411 General test methods for household gas 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 pulse group immunity test GB/T 17626.5 Electromagnetic compatibility test and measurement technology surge (impact) immunity test GB/T 17626.6 Electromagnetic compatibility test and measurement technology Radio frequency field induced conducted disturbance immunity GB/T 17626.11 Electromagnetic compatibility test and measurement technology Voltage sag, short-term interruption and voltage change immunity test GB/T 17627 High-voltage test technology definition, test and procedure requirements, test equipment for low-voltage electrical equipment GB/T 19212.1-2016 Safety of transformers, reactors, power supply units and their combinations Part 1.General requirements and tests GB/T 22688 Household and similar pressure type temperature controller ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 25034-2020_English be delivered?Answer: Upon your order, we will start to translate GB 25034-2020_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB 25034-2020?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB 25034-2020 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
