R3 28 X 38 X 7,5

Conditions of use
Pressure: ≤315 bar
Temperature: -30 °C ... +100 °C
Speed: ≤0.5 m/s
Liquids: Mineral oil-based hydraulic fluids, water emulsions
Gap >e< is selected according to the operating conditions using a nomogram.
Materials
Support ring: Bronze teflon
Gasket part: NBR elastomer, hardness approx. 88 Shore A
Installation
We recommend open groove designs for rod diameters smaller than 30 mm.
Larger diameters can be mounted in a closed groove.
Tolerances
d = H8/f7 D = H9 W = +0.25 -0
Advantages
- Smooth movement
- Tight even at low speeds or when the shaft moves almost unpressurised.