The hydraulic seal is mainly used for hydraulic machinery and works as the medium of hydraulic seal. It includes motive seals and static seals. Motive seals include hydraulic reciprocating moving seals and hydraulic rotary seals, which are made of PTFE engineering plastics, polyurethane elastomers, rubber and other materials through injection molding, pouring, molding and other methods, and are applicable to situations when temperature is between - 60 ℃ and 150 ℃, pressure is between 0mpa and 200mpa, and speed is between 0m/s and 20m/s.
