... Fire,acid and alkal corrosion proof. 3, Perfect design Gas cylinder cabinetDescription :1,Body: Using 1.2mm thick quality Baosteel ... hole, ensure the cabinet gas flow. 4,Hinge: Internal use of fixed type chain, avoid cylinder dumping. 5,Pedal: ... . The alarm device can be identified: combustible gas ( such as methane, acetylene, gas, hydrogen, oxygen, inert gas ). Gas cylinder cabinet for gas circuit