Gilashin hydraulic ko hydraulic cylinder seals ko shaft seals sune na'urorin da aka tsara don kiyaye ruwa daga gujewa daga silinda ko famfo yayin da lokaci guda ke hana gurɓataccen waje daga shiga su.Su ne sassa masu mahimmanci a cikin nau'ikan nau'ikan nau'ikan nau'ikan injin. .A daban-daban aikace-aikace masu amsawa, bukatun daban-daban na hatimi suna ƙara tsanantawa don tabbatar da cikakken bayani mai mahimmanci.
Wannan ɗorewa shine ainihin abin da ke sa JSPSEAL kerawa da rarraba hatimin hydraulic, kayan hatimi, maye gurbin hatimin OEM don aikace-aikacen hannu.