Rotary Union GAT ROTODISK S
Single passage Rotary Union with axial mechanical seal
Your benefits with Rotary Union GAT ROTODISK S
Extremely long service life
GAT ROTODISK S unions are fitted with extremely wear-resistant hydrostatically relieved silicon carbide mechanical seals to ensure low frictional torque and minimal wear, accordingly. An automatic self-alignment system ensures that the axial face seals always have full surface contact – even when subject to high pressures and high speeds at the same time.
Reliable and robust
The micro-gap system allows emulsions to be switched off without any leakage impulse, permitting the system to run dry at full speed without being pressurized by medium pressure. Spindle or hybrid ball bearings installed in high-precision steel housings ensure robust and smooth running.
Maximum flexibility
To facilitate the transmission of different media such as emulsion, air or oil-air mixture, we offer a variant capable of handling all three operating modes. Integrated valves switch between the different media.
Technical data
| Media | Emulsion, air, oil, oil-air mixture, water, low vacuum |
| Max. number of channels | 1 |
| Max. pressure [bar] | 200 |
| Max. speed [rpm] | 100,000 |
Rotary Union:
| Rotary Union GAT ROTODISK S | |||
|---|---|---|---|
| Speed [rpm] | 20,000 | ||
| Sealing system | Axial mechanical seal | ||
| Highlights | Suitable for operation with up to 3 media, automatic switching between media | ||
| Number of channels | 1 | ||
| Medium | Emulsion | Air | Oil-air mixture |
| Pressure [bar] | 80 | 10 | 10 |
| Rotary Unions GAT ROTODISK SW/GAT ROTODISK S | |||
|---|---|---|---|
| Speed [rpm] | 6,000 | ||
| Highlights | Extremely compact design, simultaneous transfer of different media | ||
| Rotary Union GAT ROTODISK SW | |||
|---|---|---|---|
| Sealing system | Axial mechanical seal | ||
| Number of channels | 1 | 2 | 1 |
| Medium | Air | Water | Hydraulic oil |
| Pressure [bar] | 10 | 20 | 20 |
| Rotary Union GAT ROTODISK S | |||
|---|---|---|---|
| Sealing system | Axial mechanical seal | ||
| Number of channels | 1 | ||
| Medium | Emulsion | ||
| Pressure [bar] | 120 | ||
| Rotary Unions ROTOSTAT E/GAT ROTODISK S | |||
|---|---|---|---|
| Speed [rpm] | 490 | ||
| Highlights | Extremely robust, for high flow rates | ||
| Rotary Unions ROTOSTAT E | |||
|---|---|---|---|
| Sealing system | Radial gap seal | ||
| Number of channels | 2 | 1 | |
| Medium | Hydraulic oil | Water | |
| Pressure [bar] | 290 | 4 | |
| Rotary Union GAT ROTODISK S | |||
|---|---|---|---|
| Sealing system | Axial mechanical seal | ||
| Number of channels | 2 | ||
| Medium | Grease | ||
| Pressure [bar] | 250 | ||
