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The dust ring is applied to the hydraulic and pneumatic piston rod, and its main function is to remove the dust attached to the outer surface of the piston cylinder, preventing sand, water and pollutants from entering the sealed cylinder.
At present, most of the dust rings in practical use are made of rubber materials, and their working characteristics are dryfriction, so the rubber materials are required to have particularly good wear resistance and low compression deformationproperties. In recent years, new dust-proof seals using other materials and rubber materials have been gradually promoted, such asthe combination of PTFE and O-ring, which has a good sealing effect. Long service life and more and more applications.
At present, most of the dust rings in practical use are made of rubber materials, and their working characteristics are dryfriction, so the rubber materials are required to have particularly good wear resistance and low compression deformationproperties. In recent years, new dust-proof seals using other materials and rubber materials have been gradually promoted, such asthe combination of PTFE and O-ring, which has a good sealing effect. Long service life and more and more applications.
At present, there are more and more product types of dust rings, which can be divided into various types according to theirfunctions, characteristics, structure types and sealing mechanisms.
According to the structure: rectangular dust seal; chamfered dust seal; foot-shaped dust seal; J-shaped dust seal; triangulardust seal.
According to the function: single-acting dust-proof sealing ring; double-acting dust-proof sealing ring.
According to the presence or absence of skeleton: no skeleton dust seal; skeleton type dust seal.
According to whether it is combined or not: single type dustproof sealing ring; combined type dustproof sealing ring
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