Machinery and Equipment/Pump and Valve
The piston valve is closed by a combination of stainless steel pistons, fluctuation two elastic sealing and can keep up the metal frame fixed distance. The piston like as in two sealing stopper. Body and sealing, piston and sealing seal strength by connecting between the body and bonnet bolts, nuts, make them closely with each other, forming stopper keep effect. Sealing area than normal cut-off valve, sealing effect is far superior to the normal cut-off valve. You can safely use.