פלעקסאַבאַל ראַבער דזשאָינט דעליווערי

When installing the rubber joint, the screw of the bolt should extend to the outside of the joint, and the bolts on each flange end face should be tightened repeatedly and evenly by diagonal compression to prevent pressure deviation. The screw joint should be tightened evenly with a standard wrench. Do not use the force bar to force the union to slip, slide, and break. Besides, it should be checked regularly and regularly to avoid loosening and causing disc detachment or water seepage