Flameout protection of Guanghui No. 5 liquefied gas, Flameout protection of Guanghui No. 6 liquefied gas, Flameout protection of Guanghui No. 8 liquefied gas, Flameout protection of Guanghui No. 10 liquefied gas, Flameout protection of cauldron liquefied gas, Flameout protection straight eight liquefied gas, Flameout protection straight nine liquefied petroleum gas, Flameout protection civil and military fire liquefied gas, Flameout protection low pressure 31A liquefied gas, Flameout protection of Zhiba natural gas, Flameout protection of Zhijiu natural gas, Flameout protection 31A natural gas, Low pressure flameout protection for twelve heads of liquefied gas
