KR 70 X 59 X 4,2

Conditions of use
Pressure: ≤300 bar
Temperature: -35 °C ... +110 °C (momentarily 125 °C)
Speed: ≤0.5 m/s
Liquids: Mineral oil-based hydraulic fluids and PAO fluids
Materials
Gasket part: modified polyurethane, hardness approx. 55 Shore D
Pressure ring: nitrile rubber, hardness 80 Shore A
Installation
The seal groove must be clean and have the specified roundings
The mounting chamfer of the cylinder tube must conform to the instructions
Tolerances
d = h9, D = H9, W = +0.2
Advantages
- Exceptionally good tightness, in both static and dynamic use
- Can also be used as a single-function seal
- Excellent resistance to wear
- Low motion friction throughout operation
- High gap penetration resistance
- Easy installation
- Seal groove dimensioning in accordance with ISO 7425/1
- Short axial installation length
- Can be mounted for a one-part piston