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
Color:Black/Brown
Operation conditions
Pressure:≤31.5Mpa
Temperature:-35~+110℃
Speed:≤0.5m/s
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.