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Position: Chinese Standard in English/GB 35848-2018
GB 35848-2018   Commercial gas-burning appliance (English Version)
Standard No.: GB 35848-2018 Status:superseded remind me the status change

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Language:English File Format:PDF
Word Count: 25000 words Price(USD):620.0 remind me the price change

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Implemented on:2019-3-1 Delivery: via email in 1 business day
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Standard No.: GB 35848-2018
English Name: Commercial gas-burning appliance
Chinese Name: 商用燃气燃烧器具
Chinese Classification: P45    Heat supply, air supply, air conditioning and refrigerating engineering in general
Professional Classification: GB    National Standard
Issued by: AQSIQ; SAC
Issued on: 2018-02-06
Implemented on: 2019-3-1
Status: superseded
Superseded by:GB 35848-2024 Commercial gas-burning appliance
GB 35848-2024E Commercial gas-burning appliance
Superseded on:2024-8-1
Language: English
File Format: PDF
Word Count: 25000 words
Price(USD): 620.0
Delivery: via email in 1 business day
Commercial gas-burning appliance 1 Scope This standard specifies the terms and definitions, classification and models, requirements, test methods, inspection rules, marking, warning and instructions as well as packaging, transportation and storage of commercial gas-burning appliance (hereinafter referred to as appliance). This standard is applicable to appliances that use gas conforming to GB/T 13611, with the combustion air taken from indoors and the combustion products directly or indirectly discharged to outdoors, including: a) steam generator type appliance with nominal heat input of not greater than 80kW, steam pressure of not greater than 80kPa, and the design water capacity at normal water level of less than 30L; b) steaming oven type appliance with nominal heat input of not greater than 80kW and steam pressure in steaming chamber of not greater than 500Pa; c) fryer type appliance with nominal heat input of not greater than 50kW and pressure in chamber of not greater than 80kPa; d) pasta cooker type appliance with nominal heat input of not greater than 50kW; e) commercial-oven-for-cooking type appliance with nominal heat input of not greater than 80kW and effective oven opening diameter of not less than 600mm; f) open burner type appliances such as stainless steel pot burner with nominal heat input of not greater than 10kW and short soup burner with nominal heat input of not greater than 50kW; g) appliances such as normal pressure type water boiler, with nominal heat input of not greater than 100kW; h) rice cooker type appliance with cooking volume of greater than or equal to 6L; i) dishwasher type appliance with nominal heat input of not greater than 50kW; j) cooking stove type appliance with nominal heat input of not greater than 60kW; k) barbecue type appliance with nominal heat input of not greater than 50kW; l) hot plate type appliance with nominal heat input of not greater than 35kW; m) oven type appliance with nominal heat input of not greater than 80kW; n) combination of the above products. Note 1: the above heat input refers to the heat input of a single combustion unit. Note 2: this standard only deals with single-phase power supply with rated voltage not exceeding 250V. Note 3: any pressure not specified in this standard refers to gauge pressure. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 191 Packaging - Pictorial marking for handling of goods GB/T 1527 Drawn tube of copper and copper alloys GB/T 2828.2 Sampling procedures for inspection by attributes - Part 2: Sampling plans indexed by limiting quality (LQ) for isolated lot inspection GB/T 3091 Welded steel pipes for low pressure liquid delivery GB/T 3280 Cold rolled stainless steel plate, sheet and strip GB/T 3287 Malleable cast iron pipe fittings GB/T 3768 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane GB 4706.1 Household and similar electrical appliances - Safety - Part 1: General requirements GB 4806.3 National food safety standard - Enamel ware GB 4806.9 National food safety standard - Food contact metal materials and articles GB 4806.11 National food safety standard - Food contact rubber materials and articles GB/T 5171.1 Small power motors - Part 1: General technical requirements GB/T 7306 (All parts) Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads GB/T 7307 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads GB/T 8163 Seamless steel pipes for liquid service GB/T 8464 Cast iron and copper valves with screwed connections GB/T 9969 General principles for preparation of instructions for use of industrial products GB/T 12350 Safety requirements of small-power motors GB/T 12771 Welded stainless steel pipes for liquid delivery GB/T 13306 Plates GB/T 13611 Classification and basic characteristics of city gas GB 16410 Domestic gas cooking appliances GB/T 16411 Universal test methods of gas burning appliances for domestic use GB/T 17219 Standard for safety evaluation of equipment and protective materials in drinking water system GB 25034 Gas-fired heating and hot water combi-boilers GB/T 26002 Stainless steel pliable corrugated tubing and fittings used in gas piping systems GB/T 26120 Pipework - Stainless steel threaded fittings GB/T 12206 Testing method to determine the calorific values of town gas GB/T 50680 Standard for basic terms of city gas engineering CJ/T 30 Thermocouple electromagnetic protector of extinguishment for gas appliance CJ/T 180 Manually operated gas valves for gas installations of buildings CJ/T 197 Stainless steel corrugated tubes for the connection of gas appliances CJ/T 346 Automatic shut-off valves for gas-burning appliances CJ/T 393 Cock assembly for domestic gas appliance CJ/T 398 Electronic gas/air ratio adjustment devices for household gas appliances CJ/T 421 Electronic controller of household gas burning appliances CJ/T 450 Pneumatic gas/air ratio adjustment devices for gas-burning appliances CJ/T 479 General technique requirement for laboratory of gas burning appliances 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 12206, GB/T 13611, GB/T 16411, GB 25034 and GB/T 50680 as well as the following apply. 3.1 Basic terms 3.1.1 standard conditions dry gas condition at temperature of 15℃ and absolute pressure of 101.3kPa 3.1.2 calorific value H quantity of heat released by complete combustion of a specified amount of gas Among them, the released heat that includes latent heat of vaporization of water vapor in smoke is called superior calorific value, expressed by Hy; the released heat that does not include latent heat of vaporization of water vapor in smoke is called inferior calorific value, expressed by Hi. 3.1.3 specific gravity of gas d ratio of the mass of a certain volume of dry gas to that of air at the same temperature and pressure 3.1.4 Wobbe number; Wobbe index ratio of calorific value of gas to square root of specific gravity of gas 3.1.5 nominal heat input In the manufacturer's nominal quantity of heat released per unit time by the appliance using reference gas at rated gas pressure 3.1.6 converted actual heat input Ii the heat input of the appliance when using the test gas under the test condition, which is converted to the value under the standard conditions 3.1.7 cold state state where the burner of the appliance is cooled close to room temperature after the appliance has operated normally for a period 3.1.8 flame failure device device installed on an appliance that can automatically cut off the supply of gas when the flame goes out unexpectedly 3.1.9 valve open time time interval from the moment when the thermocouple at room temperature is heated by the flame at the specified temperature to the moment when the solenoid valve is just in close state 3.1.10 valve close time time interval from flame failure to the moment when the solenoid valve just reaches the release point 3.1.11 automatic burner control system control system composed of the programmable control device or all elements of the non-programmable control device and the flame detection device, and able to issue control commands, control starting sequence, monitor burner operation and generate controlled shut-down; various functions of the automatic burner control system may be designed in one or more control modules 3.1.12 ignition safety time time interval from when the gas valve is turned on to when it is turned off for not detecting a flame signal 3.1.13 safety shut-down gas cut-off realized through limiter, safety cut-off device or system internal fault detection 3.1.14 spark restoration control function of restoring the spark without completely cutting off the gas supply in case of unexpected flame failure 3.1.15 recycling automatic control function of cutting off the gas supply immediately and restarting automatically according to the starting program in case of unexpected flame failure of the appliance during operation 3.2 Terms related to appliance 3.2.1 indirect exhaust gas appliance appliance with the combustion products discharged to the outdoors through a mechanical exhaust device outside the appliance itself 3.2.2 flue gas appliance appliance with the combustion products directly discharged to the outdoors through its own flue 3.2.3 primary flue a section of continuous flue on the appliance structure, which may be directly connected with the flue of the external smoke exhaust system to exhaust smoke, and may also exhaust smoke through the centralized smoke exhaust system 3.2.4 ignition burner permanent ignition burner used to ignite the main burner 3.2.5 pilot pilot fire which is maintained ignited when the main burner is ignited or extinguished, and may be used to ignite the main burner 3.2.6 condensation type gas appliance appliance of which the water vapor in the smoke generated by gas combustion is condensed with the heat effectively utilized during condensation under the standard conditions 3.2.7 steam generator pressure appliance or component which may storing steam, clearly specified as to be used for generating steam used in the steaming chamber; it may be installed in the same enclosure as the steaming chamber or used as a separate component to supply steam to one or more steaming chambers; in this standard, it refers specifically to the appliance or component under a pressure not greater than 80kPa 3.2.8 gas steaming oven appliance that uses gas as fuel and uses micro-pressure saturated steam made by heating water for food steaming, mainly consisting of components such as gas system, water supply system, smoke exhaust system, water tank or steam generation system and steaming chamber 3.2.9 water tank type steaming oven the water in the water tank is heated to boiling in an open manner and provides steam for the cooking compartment of the steaming oven, the steam is directly discharged into the atmosphere through the cooking compartment or vent pipe, and the steam pressure in the water tank and the chamber is not greater than 500Pa during operation 3.2.10 steam working oven the steam in the steaming oven is provided by a steam generator or a steam generating unit of similar structure, of which, the difference is that the steam generator may accumulate pressure while the steam generating unit with similar structure may not 3.2.11 fryer single-cylinder or multi-cylinder cooking appliance suitable for frying food 3.2.12 pressure fryer compared with the ordinary fryer, its chamber is under pressure during cooking 3.2.13 indicated level the highest (lowest) level indicated on the appliance 3.2.14 pasta cooker cooker using water as the medium to heat food 3.2.15 commercial oven for cooking combination of a large cooking pot and a closed or semi-closed furnace, wherein, the pot is a fixed or tilting appliance equipped with a primary flue 3.2.16 jacketed boiling pan appliance with a double-walled container, wherein, the inner wall is heated by heat transfer of fluid medium between the walls caused by heating the outer wall of the container
Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification and models 4.1 Classification 4.2 Models 5 Requirements 5.1 Materials 5.2 General structure 5.3 Parts and components of gas system 5.4 Special structure of appliance 5.5 Performance 6 Test methods 6.1 Test conditions 6.2 Appearance inspection 6.3 Tightness test 6.4 Heat input accuracy test 6.5 Combustion condition test 6.6 Test for flame failure device 6.7 Igniter performance test 6.8 Gas pressurizer test 6.9 Pre-cleaning test 6.10 Test for safety device of Type B appliance 6.11 Surface temperature rise test 6.12 Electrical performance test 6.13 Auxiliary energy test 6.14 Test for reasonable energy utilization 6.15 Test for special performance requirements of appliance 7 Inspection rules 7.1 End-of-manufacturing inspection 7.2 Type inspection 8 Marking, warning and operating instructions 8.1 Marking 8.2 Warning 8.3 Operating instructions 9 Packaging, transportation and storage 9.1 Packaging 9.2 Transportation 9.3 Storage
Referred in GB 35848-2018:
*GB/T 191-2008 Packaging - Pictorial Marking for Handling of Goods
*GB/T 1527-2017 Drawn tube of copper and copper alloys
*GB/T 2828.2-2008 Sampling procedures for inspection by attributes - Part 2: Sampling plans indexed by limiting quality (LQ) for isolated lot inspection
*GB/T 3091-2015 Welded steel pipes for low pressure liquid delivery
*GB/T 3280-2015 Cold rolled stainless steel plate, sheet and strip
*GB/T 3287-2011 Malleable cast iron pipe fittings
*GB/T 3768-2017 Acoustics―Determination of sound power levels and sound energy levels ofnoise sources using sound pressure―Survey method using an envelopingmeasurement surface over a reflecting plane
*GB 4706.1-2005 Household and Similar Electrical Appliances – Safety - Part 1: General Requirements
*GB 4806.3-2016 National Food Safety Standard-Enamelware
*GB 4806.9-2016 National Food Safety Standard -Food Contact Metal Materials and Articles
*GB 4806.11-2016 National Food Safety Standard -- Food Contact Rubber Materials and Articles
*GB/T 5171.1-2014 Small Power Motors - Part 1: General Technical Requirements
*GB/T 7306-1987 Pipe threads where pressure-tight joints are made on the threads
*GB/T 7307-2001 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
*GB/T 8163-2018 Seamless steel pipes for liquid service
*GB/T 8464-2023 Cast iron and copper valves with screwed connections
*GB/T 9969-2008 General Principles for Preparation of Instructions for Use of Industrial Products
*GB/T 12350-2022 Safety requirements of small power motors
*GB/T 12771-2019 Welded stainless steel pipes for fluid transport
*GB/T 13306-2011 Plate
*GB/T 13611-2018 Classification and basic characteristics of city gas
*GB 16410-2020 Domestic gas cooking appliances
*GB/T 16411-2023 Universal test methods of gas burning appliances for domestic use
*GB/T 17219-1998 Standard for Safety Evaluation of Equipment and Protective Mater
*GB 25034-2020 Gas-fired heating and hot water combi-boiler
*GB/T 26002-2010 Stainless steel pliable corrugated tubing and fittings used in gas piping systems
*GB/T 26120-2010 Pipework—Stainless steel threaded fittings
*GB/T 12206-2006 Testing method to determine the calorific values of town gas
*GB/T 50680-2012 Standard for basic terms of city gas engineering
*CJ/T 30-2013 Thermocouple electromagnetic protector of extinguishment for gas appliance
*CJ/T 180-2014 Manually Operated Gas Valves for Use in House
*CJ/T 197-2010 Stainless steel corrugated tubes for the connection of gas appliances
*CJ/T 346-2010 Automatic shut-off valves for gas-burning appliances
*CJ/T 393-2012 Cock assembly for domestic gas appliance
*CJ/T 398-2012 Electronic gas/air ratio adjustment devices for household gas appliances
*CJ/T 421-2013 Electronic controller of household gas burning appliances
*CJ/T 450-2014 Pneumatic gas/air ratio adjustment devices for gas-burning appliances
*CJ/T 479-2015 General technique requirement for laboratory of gas burning appliances
Code of China
Standard
GB 35848-2018  Commercial gas-burning appliance (English Version)
Standard No.GB 35848-2018
Statussuperseded
LanguageEnglish
File FormatPDF
Word Count25000 words
Price(USD)620.0
Implemented on2019-3-1
Deliveryvia email in 1 business day
Detail of GB 35848-2018
Standard No.
GB 35848-2018
English Name
Commercial gas-burning appliance
Chinese Name
商用燃气燃烧器具
Chinese Classification
P45
Professional Classification
GB
ICS Classification
Issued by
AQSIQ; SAC
Issued on
2018-02-06
Implemented on
2019-3-1
Status
superseded
Superseded by
GB 35848-2024 Commercial gas-burning appliance
GB 35848-2024E Commercial gas-burning appliance
Superseded on
2024-8-1
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
25000 words
Price(USD)
620.0
Keywords
GB 35848-2018, GB/T 35848-2018, GBT 35848-2018, GB35848-2018, GB 35848, GB35848, GB/T35848-2018, GB/T 35848, GB/T35848, GBT35848-2018, GBT 35848, GBT35848
Introduction of GB 35848-2018
Commercial gas-burning appliance 1 Scope This standard specifies the terms and definitions, classification and models, requirements, test methods, inspection rules, marking, warning and instructions as well as packaging, transportation and storage of commercial gas-burning appliance (hereinafter referred to as appliance). This standard is applicable to appliances that use gas conforming to GB/T 13611, with the combustion air taken from indoors and the combustion products directly or indirectly discharged to outdoors, including: a) steam generator type appliance with nominal heat input of not greater than 80kW, steam pressure of not greater than 80kPa, and the design water capacity at normal water level of less than 30L; b) steaming oven type appliance with nominal heat input of not greater than 80kW and steam pressure in steaming chamber of not greater than 500Pa; c) fryer type appliance with nominal heat input of not greater than 50kW and pressure in chamber of not greater than 80kPa; d) pasta cooker type appliance with nominal heat input of not greater than 50kW; e) commercial-oven-for-cooking type appliance with nominal heat input of not greater than 80kW and effective oven opening diameter of not less than 600mm; f) open burner type appliances such as stainless steel pot burner with nominal heat input of not greater than 10kW and short soup burner with nominal heat input of not greater than 50kW; g) appliances such as normal pressure type water boiler, with nominal heat input of not greater than 100kW; h) rice cooker type appliance with cooking volume of greater than or equal to 6L; i) dishwasher type appliance with nominal heat input of not greater than 50kW; j) cooking stove type appliance with nominal heat input of not greater than 60kW; k) barbecue type appliance with nominal heat input of not greater than 50kW; l) hot plate type appliance with nominal heat input of not greater than 35kW; m) oven type appliance with nominal heat input of not greater than 80kW; n) combination of the above products. Note 1: the above heat input refers to the heat input of a single combustion unit. Note 2: this standard only deals with single-phase power supply with rated voltage not exceeding 250V. Note 3: any pressure not specified in this standard refers to gauge pressure. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 191 Packaging - Pictorial marking for handling of goods GB/T 1527 Drawn tube of copper and copper alloys GB/T 2828.2 Sampling procedures for inspection by attributes - Part 2: Sampling plans indexed by limiting quality (LQ) for isolated lot inspection GB/T 3091 Welded steel pipes for low pressure liquid delivery GB/T 3280 Cold rolled stainless steel plate, sheet and strip GB/T 3287 Malleable cast iron pipe fittings GB/T 3768 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane GB 4706.1 Household and similar electrical appliances - Safety - Part 1: General requirements GB 4806.3 National food safety standard - Enamel ware GB 4806.9 National food safety standard - Food contact metal materials and articles GB 4806.11 National food safety standard - Food contact rubber materials and articles GB/T 5171.1 Small power motors - Part 1: General technical requirements GB/T 7306 (All parts) Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads GB/T 7307 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads GB/T 8163 Seamless steel pipes for liquid service GB/T 8464 Cast iron and copper valves with screwed connections GB/T 9969 General principles for preparation of instructions for use of industrial products GB/T 12350 Safety requirements of small-power motors GB/T 12771 Welded stainless steel pipes for liquid delivery GB/T 13306 Plates GB/T 13611 Classification and basic characteristics of city gas GB 16410 Domestic gas cooking appliances GB/T 16411 Universal test methods of gas burning appliances for domestic use GB/T 17219 Standard for safety evaluation of equipment and protective materials in drinking water system GB 25034 Gas-fired heating and hot water combi-boilers GB/T 26002 Stainless steel pliable corrugated tubing and fittings used in gas piping systems GB/T 26120 Pipework - Stainless steel threaded fittings GB/T 12206 Testing method to determine the calorific values of town gas GB/T 50680 Standard for basic terms of city gas engineering CJ/T 30 Thermocouple electromagnetic protector of extinguishment for gas appliance CJ/T 180 Manually operated gas valves for gas installations of buildings CJ/T 197 Stainless steel corrugated tubes for the connection of gas appliances CJ/T 346 Automatic shut-off valves for gas-burning appliances CJ/T 393 Cock assembly for domestic gas appliance CJ/T 398 Electronic gas/air ratio adjustment devices for household gas appliances CJ/T 421 Electronic controller of household gas burning appliances CJ/T 450 Pneumatic gas/air ratio adjustment devices for gas-burning appliances CJ/T 479 General technique requirement for laboratory of gas burning appliances 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 12206, GB/T 13611, GB/T 16411, GB 25034 and GB/T 50680 as well as the following apply. 3.1 Basic terms 3.1.1 standard conditions dry gas condition at temperature of 15℃ and absolute pressure of 101.3kPa 3.1.2 calorific value H quantity of heat released by complete combustion of a specified amount of gas Among them, the released heat that includes latent heat of vaporization of water vapor in smoke is called superior calorific value, expressed by Hy; the released heat that does not include latent heat of vaporization of water vapor in smoke is called inferior calorific value, expressed by Hi. 3.1.3 specific gravity of gas d ratio of the mass of a certain volume of dry gas to that of air at the same temperature and pressure 3.1.4 Wobbe number; Wobbe index ratio of calorific value of gas to square root of specific gravity of gas 3.1.5 nominal heat input In the manufacturer's nominal quantity of heat released per unit time by the appliance using reference gas at rated gas pressure 3.1.6 converted actual heat input Ii the heat input of the appliance when using the test gas under the test condition, which is converted to the value under the standard conditions 3.1.7 cold state state where the burner of the appliance is cooled close to room temperature after the appliance has operated normally for a period 3.1.8 flame failure device device installed on an appliance that can automatically cut off the supply of gas when the flame goes out unexpectedly 3.1.9 valve open time time interval from the moment when the thermocouple at room temperature is heated by the flame at the specified temperature to the moment when the solenoid valve is just in close state 3.1.10 valve close time time interval from flame failure to the moment when the solenoid valve just reaches the release point 3.1.11 automatic burner control system control system composed of the programmable control device or all elements of the non-programmable control device and the flame detection device, and able to issue control commands, control starting sequence, monitor burner operation and generate controlled shut-down; various functions of the automatic burner control system may be designed in one or more control modules 3.1.12 ignition safety time time interval from when the gas valve is turned on to when it is turned off for not detecting a flame signal 3.1.13 safety shut-down gas cut-off realized through limiter, safety cut-off device or system internal fault detection 3.1.14 spark restoration control function of restoring the spark without completely cutting off the gas supply in case of unexpected flame failure 3.1.15 recycling automatic control function of cutting off the gas supply immediately and restarting automatically according to the starting program in case of unexpected flame failure of the appliance during operation 3.2 Terms related to appliance 3.2.1 indirect exhaust gas appliance appliance with the combustion products discharged to the outdoors through a mechanical exhaust device outside the appliance itself 3.2.2 flue gas appliance appliance with the combustion products directly discharged to the outdoors through its own flue 3.2.3 primary flue a section of continuous flue on the appliance structure, which may be directly connected with the flue of the external smoke exhaust system to exhaust smoke, and may also exhaust smoke through the centralized smoke exhaust system 3.2.4 ignition burner permanent ignition burner used to ignite the main burner 3.2.5 pilot pilot fire which is maintained ignited when the main burner is ignited or extinguished, and may be used to ignite the main burner 3.2.6 condensation type gas appliance appliance of which the water vapor in the smoke generated by gas combustion is condensed with the heat effectively utilized during condensation under the standard conditions 3.2.7 steam generator pressure appliance or component which may storing steam, clearly specified as to be used for generating steam used in the steaming chamber; it may be installed in the same enclosure as the steaming chamber or used as a separate component to supply steam to one or more steaming chambers; in this standard, it refers specifically to the appliance or component under a pressure not greater than 80kPa 3.2.8 gas steaming oven appliance that uses gas as fuel and uses micro-pressure saturated steam made by heating water for food steaming, mainly consisting of components such as gas system, water supply system, smoke exhaust system, water tank or steam generation system and steaming chamber 3.2.9 water tank type steaming oven the water in the water tank is heated to boiling in an open manner and provides steam for the cooking compartment of the steaming oven, the steam is directly discharged into the atmosphere through the cooking compartment or vent pipe, and the steam pressure in the water tank and the chamber is not greater than 500Pa during operation 3.2.10 steam working oven the steam in the steaming oven is provided by a steam generator or a steam generating unit of similar structure, of which, the difference is that the steam generator may accumulate pressure while the steam generating unit with similar structure may not 3.2.11 fryer single-cylinder or multi-cylinder cooking appliance suitable for frying food 3.2.12 pressure fryer compared with the ordinary fryer, its chamber is under pressure during cooking 3.2.13 indicated level the highest (lowest) level indicated on the appliance 3.2.14 pasta cooker cooker using water as the medium to heat food 3.2.15 commercial oven for cooking combination of a large cooking pot and a closed or semi-closed furnace, wherein, the pot is a fixed or tilting appliance equipped with a primary flue 3.2.16 jacketed boiling pan appliance with a double-walled container, wherein, the inner wall is heated by heat transfer of fluid medium between the walls caused by heating the outer wall of the container
Contents of GB 35848-2018
Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification and models 4.1 Classification 4.2 Models 5 Requirements 5.1 Materials 5.2 General structure 5.3 Parts and components of gas system 5.4 Special structure of appliance 5.5 Performance 6 Test methods 6.1 Test conditions 6.2 Appearance inspection 6.3 Tightness test 6.4 Heat input accuracy test 6.5 Combustion condition test 6.6 Test for flame failure device 6.7 Igniter performance test 6.8 Gas pressurizer test 6.9 Pre-cleaning test 6.10 Test for safety device of Type B appliance 6.11 Surface temperature rise test 6.12 Electrical performance test 6.13 Auxiliary energy test 6.14 Test for reasonable energy utilization 6.15 Test for special performance requirements of appliance 7 Inspection rules 7.1 End-of-manufacturing inspection 7.2 Type inspection 8 Marking, warning and operating instructions 8.1 Marking 8.2 Warning 8.3 Operating instructions 9 Packaging, transportation and storage 9.1 Packaging 9.2 Transportation 9.3 Storage
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Keywords:
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