Rotary Union ROTOSTAT N

Rotary Union with contactless axial gap seal

Your benefits with Rotary Union ROTOSTAT N

A service life second to none

ROTOSTAT N uses a contactless hydrostatic gap seal. The inverse design ensures that the gap remains constant within few ┬Ám even at pressures up to 250 bar. This keeps friction loss to the minimum.

Ultimate durability and reliability

ROTOSTAT N rotary unions have been designed for extreme durability. It is especially suited for use under rough conditions such as coiler tensioning in rolling mills, centrifuges or for propeller pitch adjustment in ships.

Exceptional emergency-running properties

ROTOSTAT N unions are available in two variants: as complete rotary unions with up to 8 passages, and as cartridge element for installation in existing structures. The cartridge variant ensures superior emergency-running properties and quick availability in case of repair.

Technical data

MediaOil, emulsion
Max. number of channels4
Max. pressure [bar]250
Max. speed [rpm]15,000
Rotary Union ROTOSTAT N Cartridge
ROTOSTAT N Cartridge
Shaft diameters 30, 80, 140 and 200 mm for oil and water-based liquids
Multi-channel Rotary Union ROTOSTAT N
ROTOSTAT N Multi-channel variant
Available with up to 4 passages as complete rotary union for oil and water-based liquids

Rotary Union:

Rotary Union ROTOSTAT N for steel
ROTOSTAT M140 NX-2
Rotary Union ROTOSTAT N
Speed [rpm]350
Sealing systemAxial gap seal
HighlightsContactless hydrostatic gap seal with an unbeatable service life
Number of channels2
MediumHydraulic oil
Pressure [bar]160
Rotary Union ROTOSTAT N for centrifuges
ROTOSTAT M140 NX-2
Rotary Union ROTOSTAT N
Speed [rpm]1,500
Sealing systemAxial gap seal
HighlightsContactless hydrostatic gap seal with an unbeatable service life
Number of channels2
MediumHydraulic oil
Pressure [bar]160

Our products in detail
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