ODU Hydraulic seals – Piston seals – YXD ODU type

Short Description:

Standardized with the material of high performance NBR 85 Shore A, ODU are used very widely in hydraulic cylinders. Having shorter inner lio, ODU seals are especially designed for rod applications. If you require higher temperature resistance, you can also choose FKM (viton) material.

ODU Piston seal is a lip-seal which fits tightly in the groove.It is applicable to all kinds of construction machinery and hydraulic mechanical cylinders with high temperature, high pressure, and other harsh conditions.

Product Detail

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When using ODU piston seals, there is usually no backup ring. When the working pressure is greater than 16MPa, or when the clearance is large due to the eccentricity of the moving pair, place a backup ring on the support surface of the sealing ring to prevent the sealing ring from being squeezed into the clearance and causing early damage to the sealing ring. When the sealing ring is used for static sealing, the backup ring can not be used.


Material: NBR/FKM
Hardness:85-88 Shore A

Technical Data

Operation conditions
Media:Hydraulic oils(Mineral oil-based).
Different materials and different model number have different application scenarios and performances.


- Unusually high abrasion resistance.
- Insensibility against shock loads and
- pressure peaks.
- Low compression set.

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