Rotary Union ROTOSTAT E

Rotary Union with contactless radial gap seal

Your benefits with Rotary Union ROTOSTAT E

For high pressures and speeds

The tried-and-tested ROTOSTAT E sealing system uses a hydrostatically controlled radial gap seal, ensuring reliable operation even under the most demanding operating conditions.

Extremely long service life

The contactless sealing system has very low friction, reducing wear to the minimum. Cost savings are considerable.

Continuous development

The product specialists at GAT are continuously striving for further development of this high-tech product. For example, leakage could be reduced significantly by an enhanced bearing system and improved production processes introduced in 2015.

Technical data

MediaOil, water, emulsion, air, gas
Max. number of channels12
Max. pressure [bar]350
Max. speed [rpm]15,000
Rotary Union ROTOSTAT E Standard
ROTOSTAT E Standard
Standard variant for oil, air, water, max. 4 channels, max. 15,000 rpm, shaft diameter 15 – 80 mm
Rotary Union ROTOSTAT E special design
ROTOSTAT E Special variants
Special variants, all media, more than 4 channels, shaft diameter up to 360 mm

Rotary Union:

Rotary Union ROTOSTAT E for hydropower
ROTOSTAT M60 EX2-1
Rotary Union ROTOSTAT E
Speed [rpm]2,000
Sealing systemRadial gap seal
HighlightsDesigned to handle high pressures and rotational speeds, yet extremely long-lasting thanks to their contactless sealing system
Number of channels2
MediumHydraulic oil
Pressure [bar]210
Rotary Union ROTOKOMBI for steel
ROTOKOMBI M80 EX2 + M60 EW1 + D10
Rotary Unions ROTOSTAT E/ROTODISK S
Speed [rpm]490
HighlightsExtremely robust, for high flow rates
Rotary Unions ROTOSTAT E
Sealing systemRadial gap seal
Number of channels21
MediumHydraulic oilWater
Pressure [bar]2904
Rotary Union ROTODISK S
Sealing systemAxial mechanical seal
Number of channels2
MediumGrease
Pressure [bar]250
Rotary Union ROTOKOMBI for steel2
ROTOKOMBI M160 EX2 + SW75-HP2
Rotary Unions ROTOSTAT E/ROTODISK SW
Speed [rpm]600
HighlightsSpecifically engineered for high pressures and speeds
Rotary Union ROTOSTAT E
Sealing systemRadial gap seal
Number of channels2
MediumHydraulic oil
Pressure [bar]160
Rotary Union ROTODISK SW
Sealing systemAxial mechanical seal
Number of channels2
MediumGrease
Pressure [bar]210

Our products in detail
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Flyer ROTOKOMBI
Multi channel rotary union combining different sealing technologies
English2.2 MBPDF
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Product CatalogueEnglish5.0 MBPDF
Product CatalogueChinese6.1 MBPDF