A 846
DESCRIPTION
A wiping ring A 846 has two main functions:
- wiping dirt of the rod
- to avoid leakage
Improved effect in comparison to conventional wiping seals is achieved by shaped inner part of the ring, similar to the sealing cuff. Newly designed membrane prevents from pushing the ring out of the groove within the increase of pressure. After relief, this membrane closes again. For this reason, technically unsuitable and cost non-effective leakage relief is eliminated. Another advantage of this type of wiping seal is an additional outer blade, which works as "umbrella". This has the effect on protection the groove against the entering of dirt around the wiping seal and corrosion inside of the hydraulic cylinder.
MEDIA
Wiping seal type A 846 is designed for liquids based on mineral oils. In water-oil emulsions (HFA, HFB) the upper limit of usage is from -20 °C to +60 °C.
APPLICATION
These wiping rings can be used both for the installation of L2 and L2*.
| Operating conditions | |
|---|---|
| Max. speed: | up to 4.0 m/s |
| Temperature range: | from -45 °C to +110 °C |
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