FAQ Seals

No, pressures can only be reduced, not sealed.

No, any liquids which accumulate simply flow through the gap. This makes it important to ensure that liquid cannot build up in front of the seal.

To a certain extent: Air lock improves the effectiveness of the sealing, but the air consumption is relatively high. The supplied air current is also relieved evenly on both sides of the seal. If there is a bearing position right next to the seal, there is a risk of the lubricant being blown out (in the case of oil) or drying out (in the case of grease).

Yes, centrifugal disks improve the sealing effect, particularly at low speeds. It is therefore advisable to use a centrifugal disk to protect the gap seal.

A greased gap seal is recommended here. The resulting grease pad provides relatively reliable sealing against dust particles. The model is equipped for all gap seals from the series “S”.
A small bead of grease forms on the labyrinth inlet during operation, where the majority of the dust sticks.

This is the optimal solution, but also the most complicated one.
A sufficiently large gap of at least 5 mm is required between the 2 seals, along with a suitable drain hole.
In case of dust, grease pads can be inserted between the 2 seals.

Only with the help of air lock.