Gas appliance testing

It is mainly used for simulating pure gas or mixed gas used in gas appliance, analyzing combustion parameters, such as calorific value, Warbai index, etc., and verifying the running characteristics of gas appliance. The test gas includes reference gas and limit gas.

Reference standards

GB/T 13611-2018 Urban gas classification and basic characteristics
GB/T 36263-2018 Urban gas symbol and measurement requirements
GB 35848-2018 Commercial gas burner
GB 16410-2007 Domestic gas cooking appliances
GB/T 16411-2008 General test methods for household gas appliances
GB 25034-2010 Gas heating water heater
GB 29410-2012 Household dimethyl ether gas cooker
GB 18111-2000 Gas positive displacement water heater
GB/T 3606-2001 Biogas stove for home use
EN 437-2017 Test gases-Test pressures-Appliance categories
EN 30-1-1 Domestic cooking appliances burning gas

Chinese standard test gas

Gas class	Code name *	Gas composition and content (Volume fraction)
Gas class	Code name *	Component 1	Content	Component 2	Content	Component 3	Content
Artificial gas	3R-0	methane CH₄	9%	hydrogen H₂	51%	nitrogen N₂	40%
	3R-1	methane CH₄	13%	hydrogen H₂	46%	nitrogen N₂	41%
	3R-2	methane CH₄	7%	hydrogen H₂	55%	nitrogen N₂	38%
	3R-3	methane CH₄	16%	hydrogen H₂	32%	nitrogen N₂	52%
Artificial gas	4R-0	methane CH₄	8%	hydrogen H₂	63%	nitrogen N₂	29%
	4R-1	methane CH₄	13%	hydrogen H₂	58%	nitrogen N₂	29%
	4R-2	methane CH₄	6%	hydrogen H₂	67%	nitrogen N₂	27%
	4R-3	methane CH₄	18%	hydrogen H₂	41%	nitrogen N₂	41%
Artificial gas	5R-0	methane CH₄	19%	hydrogen H₂	54%	nitrogen N₂	27%
	5R-1	methane CH₄	25%	hydrogen H₂	48%	nitrogen N₂	27%
	5R-2	methane CH₄	18%	hydrogen H₂	55%	nitrogen N₂	27%
	5R-3	methane CH₄	29%	hydrogen H₂	32%	nitrogen N₂	39%
Artificial gas	6R-0	methane CH₄	22%	hydrogen H₂	58%	nitrogen N₂	20%
	6R-1	methane CH₄	29%	hydrogen H₂	52%	nitrogen N₂	19%
	6R-2	methane CH₄	22%	hydrogen H₂	59%	nitrogen N₂	19%
	6R-3	methane CH₄	34%	hydrogen H₂	35%	nitrogen N₂	31%
Artificial gas	7R-0	methane CH₄	27%	hydrogen H₂	60%	nitrogen N₂	13%
	7R-1	methane CH₄	34%	hydrogen H₂	54%	nitrogen N₂	12%
	7R-2	methane CH₄	25%	hydrogen H₂	63%	nitrogen N₂	12%
	7R-3	methane CH₄	40%	hydrogen H₂	37%	nitrogen N₂	23%
Natural gas	3T-0	methane CH₄	33%	Air*	68%
	3T-1	methane CH₄	35%	Air*	65%
	3T-2	methane CH₄	16%	hydrogen H₂	34%	nitrogen N₂	50%
	3T-3	methane CH₄	31%	Air*	70%
Natural gas	4T-0	methane CH₄	41%	Air*	59%
	4T-1	methane CH₄	44%	Air	56%
	4T-2	methane CH₄	22%	hydrogen H₂	36%	nitrogen N₂	42%
	4T-3	methane CH₄	38%	Air*	62%
Natural gas	10T-0	methane CH₄	86%	nitrogen N₂	14%
	10T-1	methane CH₄	80%	propane C₃H₈	7%	nitrogen N₂	13%
	10T-2	methane CH₄	70%	hydrogen H₂	19%	nitrogen N₂	11%
	10T-3	methane CH₄	82%	nitrogen N₂	18%
Natural gas	12T-0	methane CH₄	100%
	12T-1	methane CH₄	87%	propane C₃H₈	13%
	12T-2	methane CH₄	77%	hydrogen H₂	23%
	12T-3	methane CH₄	92.5%	nitrogen N₂	7.5%
Liquefied petroleum gas	19Y-0	propane C₃H₈	100%
	19Y-1	butane C₄H₁₀*	100%
	19Y-2	propylene C₃H₆	100%
	19Y-3	propane C₃H₈	100%
Liquefied petroleum gas	22Y-0	butane C₄H₁₀*	100%
	22Y-1	butane C₄H₁₀*	100%
	22Y-2	propylene C₃H₆	100%
	22Y-3	propane C₃H₈	100%
Liquefied petroleum gas	20Y-0	propane C₃H₈	75%	butane C₄H₁₀*	25%
	20Y-1	butane C₄H₁₀*	100%
	20Y-2	propylene C₃H₆	100%
	20Y-3	propane C₃H₈	100%
Liquid mixed gas	12YK-0	Liquefied petroleum gas LPG*	58%	Air*	42%
	12YK-1	butane C₄H₁₀*	58%	Air*	42%
	12YK-2	Liquefied petroleum gas LPG*	48%	Air*	42%	hydrogen H₂	10%
	12YK-3	propane C₃H₈	55%	Air*	42%	nitrogen N₂	5%
Dimethyl ether	12E-0	Dimethyl ether DME	100%
	12E-1	Dimethyl ether DME	87%	propane C₃H₈	13%
	12E-2	Dimethyl ether DME	77%	hydrogen H₂	23%
	12E-3	Dimethyl ether DME	93%	nitrogen N₂	8%
Marsh gas	6Z-0	methane CH₄	53%	nitrogen N₂	47%
	6Z-1	methane CH₄	57%	nitrogen N₂	43%
	6Z-2	methane CH₄	41%	hydrogen H₂	22%	nitrogen N₂	38%
	6Z-3	methane CH₄	50%	nitrogen N₂	50%
Code name * -0 Benchmark gas -1 Yellow flame and incomplete combustion limit gas -2 Tempering limit gas -3 Deflaming limit gas butaneC₄H₁₀* =(n-C₄H₁₀ 50% i-C₄H₁₀ 50%) Liquefied petroleum gas LPG* =（20Y-0） Air* =（O₂ 21% N₂ 79%）

Foreign standard test gas

Test Gas	Code name	Composition and Concentration （Volume fraction）
Test Gas	Code name	Gas1	Vol	Gas2	Vol	Gas3	Vol	Gas4	Vol
Reference gas	G1.250	methane CH₄	54%	nitrogen N₂	46%
Incomplete combustion,flame lift and sooting limit gas	G1.251	methane CH₄	58%	nitrogen N₂	42%
Light back limit gas Flame lift limit gas	G1.252	methane CH₄	50%	nitrogen N₂	50%
Reference gas Incomplete combustion,flame lift and sooting limit gas	G110	methane CH₄	26%	hydrogen H₂	50%	nitrogen N₂	24%
Light back limit gas	G112	methane CH₄	17%	hydrogen H₂	59%	nitrogen N₂	24%
Reference gas	G130	propane C₃H₈	26.9%	Air*	73.1%
Light back limit gas	G132	propane C₃H₈	13.8%	propylene C₃H₆	13.8%	Air	72.4%
Reference gas Incomplete combustion,flame lift and sooting limit gas	G150.1	methane CH₄	57%	Air*	43%
Light back limit gas	G152	methane CH₄	40%	Air*	54%	propylene C₃H₆	6%
Reference gas	G2.300	methane CH₄	63%	nitrogen N₂	37%
Incomplete combustion,flame lift and sooting limit gas	G2.301	methane CH₄	68%	nitrogen N₂	32%
Light back limit gas Flame lift limit gas	G2.302	methane CH₄	58%	nitrogen N₂	42%
Reference gas	G2.350	methane CH₄	72%	nitrogen N₂	28%
Incomplete combustion,flame lift and sooting limit gas	G2.351	methane CH₄	77%	nitrogen N₂	23%
Light back limit gas Flame lift limit gas	G2.352	methane CH₄	67%	nitrogen N₂	33%
Incomplete combustion,flame lift and sooting limit gas	G2.411	methane CH₄	89%	nitrogen N₂	11%
Light back limit gas Flame lift limit gas	G2.412	methane CH₄	76%	nitrogen N₂	24%
Reference gas	G20	methane CH₄	100%
Incomplete combustion,flame lift and sooting limit gas	G21	methane CH₄	87%	propane C₃H₈	13%
Light back limit gas	G222	methane CH₄	77%	hydrogen H₂	23%
Flame lift limit gas	G23	methane CH₄	92.5%	nitrogen N₂	7.5%
Reference gas Flame lift limit gas	G230	propane C₃H₈	50%	Air*	50%
Flame lift limit gas	G231	methane CH₄	85%	nitrogen N₂	15%
Light back limit gas	G232	propylene C₃H₆	50%	Air*	50%
Incomplete combustion,flame lift and sooting limit gas	G233	propane C₃H₈	55%	Air*	45%
Over heating limit gas	G24	methane CH₄	68%	propane C₃H₈	12%	hydrogen H₂	20%
Reference gas Light back limit gas	G25	methane CH₄	86%	nitrogen N₂	14%
Reference gas	G25.1	methane CH₄	86%	carbon dioxide CO₂	14%
Reference gas	G25.3	methane CH₄	88%	nitrogen N₂	12%
Incomplete combustion,flame lift and sooting limit gas	G26	methane CH₄	80%	propane C₃H₈	7%	nitrogen N₂	13%
Incomplete combustion,flame lift and sooting limit gas	G26.1	methane CH₄	80%	propane C₃H₈	6%	carbon dioxide CO₂	14%
Incomplete combustion,flame lift and sooting limit gas	G26.3	methane CH₄	64%	ethane C₂H₆	22%	nitrogen N₂	14%
Incomplete combustion,flame lift and sooting limit gas	G26.4	methane CH₄	75%	propane C₃H₈	11%	nitrogen N₂	14%
Flame lift limit gas	G27	methane CH₄	82%	nitrogen N₂	18%
Flame lift limit gas	G27.1	methane CH₄	82%	carbon dioxide CO₂	18%
Flame lift limit gas	G27.3A	methane CH₄	84%	carbon dioxide CO₂	16%
Flame lift limit gas	G27.4A	methane CH₄	78%	nitrogen N₂	22%
Flame lift limit gas	G271	methane CH₄	74%	nitrogen N₂	26%
Over heating limit gas	G28.3A	methane CH₄	60%	ethane C₂H₆	17%	hydrogen H₂	10%	nitrogen N₂	13%
Light back limit gas	G28.3B	methane CH₄	50%	ethane C₂H₆	17%	hydrogen H₂	10%	nitrogen N₂	23%
Over heating limit gas	G28.4A	methane CH₄	67%	ethane C₂H₆	10%	hydrogen H₂	10%	nitrogen N₂	13%
Light back limit gas	G28.4B	methane CH₄	68%	hydrogen H₂	20%	nitrogen N₂	12%
Reference gas Incomplete combustion,flame lift and sooting limit gas	G30	n-butane n-C₄H₁₀	50%	iso-butane i-C₄H₁₀	50%
Flame lift limit gas	G31	propane C₃H₈	100%
Light back limit gas	G32	propylene C₃H₆	100%
Light back and sooting limit gas	G32	propylene C₃H₆	100%
Air* Composition of the Air in%: 0₂ = 20,95; N₂ = 79,05.

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