820 Pipe Expanding Machine

820 Pipe Expanding Machine,Hydrostatic Testing Machine,Hydro Tester for Seamless Pipe Hydrostatic Testing Machine Hydro Tester for Seamless Pipe The equipment is designed due to the insufficiency of large diameter seamless steel tube production and specification. It's a two oil cylinder or four oil cylinder parallel uniform velocity pushing machine, pump station valve table adopts integrated form. Setting the power of medium frequency heating power supply, force and stroke of