The explosion-proof chain block made by Weihua have got the safety and explosion-proof certification, and the explosion-proof mark is Exd ⅡB T4 Gb. The explosion-proof chain block is suitable for working in dangerous environment with explosive gases and explosive mixtures formed by steam and air in the factory.

Working Environment:

(1) Working altitude ＜1000m;

(2) Working temperature -20℃ ~ +40℃;

(3) Power grid fluctuates ±10%;

(4) Relative humidity ＜95% and can prevent water dripping;

(5) Zone 1 or Zone 2 of the explosive environment of Class IIB and T4 temperature group in the factory.

Note: 1 ton - 5 ton explosion-proof chain blocks are standard products. For chain blocks over 5 tons, it is customized. Please confirm the requirements of before purchasing.