There are many load specifications of explosion -proof hands, such as 1 ton, 2 tons, 3 tons, 5 tons, 10 tons, etc. Today, I will briefly introduce the specifications of 5 tons and 6 meters. The standard chain length of the hand pour is 3 meters. We know that the gourd in the hand is divided into a lifting chain and a zipper. The standard chain here refers to the length of the lifting chain. The length of the lifting chain is different from the length of the hand pull chain. The bracelet zipper is 0.5 meters shorter than the heavy chain. Of course, there are special requirements. You can also extend the zipper. The standard load of 5 tons of gourd is 5 tons, and the safety factor is 1.25 times. It should be noted that the explosion -proof hand pulling the gourd cannot be caught or overloaded.