Hydraulic seals are used hydraulic in cylinders to seal the openings between various components in the hydraulic cylinder. They prevent the ingress of air, moisture, and dirt, as well as the escape of gases and liquids. They perform both dynamic and static sealing, ranging included Back Up Ring, Double Acting Seals, Piston Seal, Rod Seal, U Seals, Vee Packing, Wear Ring and Dust Seals etc.