How to choose explosion-proof hand hoist?

Explosion-proof hand pull hoist material has what type how to choose?

Explosion-proof hand hoist according to the raw material is divided into two categories "aluminum bronze and beryllium bronze" according to the different raw materials have different advantages, Kaitaer production explosion-proof hand hoist explosion-proof function fit the national GB10686-89 specification. Aluminum bronze and beryllium bronze are used as blanks, and H62 copper alloy materials are used as shells. The following is your specific introduction. How to correctly select explosion-proof hand-pulled gourds of different materials?

Aluminum bronze explosion-proof hand pull hoist made in 7.8% concentration of ethylene gas operation is more suitable, and beryllium bronze explosion-proof hoist in 21% concentration of hydrogen operation, beryllium bronze is also a major feature of its raw material magnetism is zero, so it is a good anti-magnetic things, suitable for magnetic field environment operation.