When maintaining large-sized pumps, operations with basic parts are performed. The main outlet of the pump is pressurized. To perform these operations, it is required to apply special equipment which includes hydraulic wrenches to provide the necessary sealing force. The integral part of such a wrench is a multistage hydraulic cylinder which pulls the stud out.When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/33549
展开▼