Dyseals is a mechanical seal manufacturer for water centrifugal pumps,making seal faces/rings in sic/silicon carbide,ceramic,tungsten carbide and carbon etc for pump mechanical seals,classified into o-ring mechanical seals,rubber elastomer mechanical seals,metal bellow seals,PTFE bellow & wedge mechanical seals,double face mechanical seals, cartridge seals, single & multiple spring mechanical seals, automotive pump seals etc. In a way mechanical seals can be called pump mechanical seals or pump seals.