Explosion proof hoist series take the aluminum bronze & beryllium bronze as roughcast and the shell of chain block adopts H62 copper alloy material. Explosion proof hoist series apply to the flammable sites, such as chemical industry and sea works. The transmitting gear of the explosion-proof chain hoist reaches a very high abrasive resistance after high-heat treatment. It can be widely used in Oil, petrifaction, oil station, oil depot, gas production, chemical industry, war industry, electric power and mines, etc.
