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          Welcome: BOSS Sealing Solutions
          Language: Chinese ∷  English

          Hydraulic Piston Seals

          • KDAS


          • KDAS
          • DDAS
          • DAS
          • Product description: Compact Seal KDAS
          • INQUIRY

          Applications and properties

          DDAS/KDAS compact seal is a double acting seal and guide element,it is consist of 1 piece elastomer ring,2 pieces back up rings and 2 pieces guide rings. Elastomer has an good sealing effect in both dynamic and static conditions,back up ring prevent the elastomer be extruded  into the sealing gap.

          the role of the guide ring is to help the piston in the cylinder guide and absorb the radial force.

          it mainly used in hydraulic cylinders as a piston seal.


          Bulldozers, excavators, loaders, cranes, hydraulic gate and agricultural machinery.

          Standard materials

          Guide ring:POM

          Back-up ring:PU


          Working conditions

          Diameter Range: from 20mm to 250mm

          Pressure Range:0-35 MPa

          Temp Range: -30℃ to 120℃

          Speed: <=0.5m/s

          Medium:Hydraulic Oil,water,air barely flammable fluids.


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