The emergency gas shut-off valve is a valve that can be quickly shut off when installed at the gas tank/pipe outlet emergency. The use of a solenoid valve to control the opening and closing of the valve is one of the currently ideal safety valves. 
"Gas emergency shut-off valve" is a practical and environmentally-friendly cut-off valve invented by Zhang Gong, a senior engineer of the Yongxing Valve Technology Development Department. The technology invention provides pipeline assembly, adjustment and protection for gas and petroleum gas storage tanks. Quality assurance.
Gas emergency shut-off valve structure analysis diagram
• The gas emergency shut-off valve is used to cut off the source of dangerous materials in the upstream and avoid the expansion of the accident when equipment failures, corrosion damage, and seal failure occur, and a large number of hazardous materials leak out, cause (or may cause) fire, or poisoning accidents. Impact of the accident, reducing accident losses.