Analysis of the core explosion-proof technology of explosion-proof chain hoist

The principle of explosion-proof gourd is not “no sparks will be generated”, but through special materials, the risk of sparks is eliminated from the source.：

· Material and structure: key components (such as hand zipper wheels and hooks) are made of copper alloy and coated with fireproof flowers to avoid sparks from friction or impact. 

·Explosion-proof grade: The product will be clearly marked with explosion-proof signs, such as II 2 GD c IIB T4. This represents its applicable explosive environment category and temperature group，

When purchasing, you must ensure that the level is higher than the hazard level of your working environment.