Explosion-proof pipe tongs are commonly used in the installation and maintenance of pipelines, usually used to turn metal pipes or other cylindrical workpiece. The specification of explosion-proof pipe tongs refers to the size of the pipe tongs when the length of the mouth multiplied by the bite of the large diameter of the pipe. The use of explosion-proof pipe tongs: 1. Explosion-proof pipe tongs according to the diameter of the pipe or pipe fitting size, choose the appropriate pipe tongs; 2. Clean the front teeth of the explosion-proof pipe tongs, add oil to the teeth block, install the spring plate, install the adjustment nut and teeth block; 3. Clamp the pipe fitting on the pressure clamp, wrap the raw material belt around the thread buckle, fasten the bolt belt by hand, turn the nut switch, and rotate the movable clamp head to the proper opening; 4. The left hand holds the movable explosion-proof pipe wrench head, the right hand grasps the pipe handle, will the pipe wrench teeth bite on the pipe, after biting firmly, presses down with the palm of the hand; 5. When pressed at an angle, lift the handle and repeat. 6. After work, the explosion-proof pipe tongs to clean up, in the teeth coated with butter, close the tongs, maintenance and storage. Points to note for explosion-proof n Pipe Tongs: 1. Choose the right specifications. 2. The opening of the pliers should be equal to the diameter of the workpiece. 3. Clamp the workpiece tightly and then pull the wrench hard to prevent skidding injury; 4. When using the lever, the length should be appropriate, not too hard or more than the allowable strength of pipe tongs; 5. The teeth of the explosion-proof pipe tongs and the adjusting ring should be kept clean. Explosion-proof pipe tongs are available in the following models: 200mm, 250mm, 300mm, 350mm, 450mm, 600mm, 900mm, 1200mm