... head: SUS304, SUS316, PVC, PTEFDiaphragm: PTFEValve: SUS304, SUS316, PVC, PTEFValve ball: ZrO2, SUS304, SUS316, CeramicValve seat: Viton, PVC, SUS304, SUS316Tubing: PE ... .4120451508410Using reliable quality motor,380V or 220V or direct current machine is optional.Features1.Very high safety of operation. Mechanical actuate ...