[Translate to English:] Drehdurchführung TDS Precision Products

Rotary Unions

Reliable sealing - standards quickly available

Rotary Unions from TDS – Standards available at short term

The single and multi-passage rotary unions in our range are characterized by very reliable sealing. They transfer fluids such as water, air, hydraulic oil, coolant, steam and other media types from stationary sources to rotating parts. Our products can be used in a wide range of applications, for example in factory automation, in machine tools as well as packaging machines and in medical technology.


Standard designs are available within a short period of time. We are happy to realize customer-specific solutions in close cooperation with you and our partners. Thanks to our many years of experience and our well-founded know-how, new projects can be implemented within a short time from concept to prototypes to series production.

Discover our wide range of rotary joints:


Single passage rotary union

Single Passage Rotary Unions Universal

  • 1 Passage, 1/8 up to 2" Connection
  • Air, Gas, Vacuum, Water, Oil
  • Pressure up to 40bar
  • Slip Ring Integration
Multiport rotary union pneumatic

Multiport Rotary Union Pneumatic

  • 2 to 24 Passages
  • Air, Gas and Vacuum
  • Slip Ring Integration
  • Short term delivery
Multiport Rotary Union Hydraulic

Multiport Rotary Union Hydraulic

  • 2 to 24 Passages, up to 1" Connection
  • Coolant, Hydraulics up to 515bar
  • Speed up to 500rpm
  • Slip ring Integration
Multiport rotary union water

Multiport Rotary Union Water

  • 2 to 24 Passages, up to 1" Connection
  • Water, Hydraulic up to 515bar
  • Stainless Steel Design
  • Slip Ring Integration
[Translate to English:] Drehdurchführung Mehrkanal Kompakt

Multiport Rotary Union Compact

  • 2 to 24 Passages, 1/8" Connection
  • Coolant, Hydraulic up to 515bar
  • Compact Design
  • Slip Ring Integration
[Translate to English:] Drehdurchfuehrung Einweg Hygiene

Single Passage Rotary Union Hygienic

  • 1 Passage, DN15 to DN100
  • Food Grade Seals
  • Stainless Steel Design
  • Tri-Clamp Ferrule Connection
[Translate to English:] Drehdurchführung Mehrkanal Robust

Multiport Rotary Union Heavy-Duty

  • 4 or 6 Passages
  • Coolant, Hydraulikc up to 345bar
  • High Volume
  • Slip Ring Integration
[Translate to English:] Drehdurchfuehrung Edelstahl Korrosionsbestaendig

Rotary Union Corrosion-Resistant

  • 1 to 16 Passages, up to 3/4" Connection
  • Water, Hydraulic up to 1375bar
  • Stainless Steel Design
  • For harsh environments
[Translate to English:] Drehdurchführung Mehrkanal universal

Multiport Rotary Union Universal

  • 1 to 8 Passages, G1/4" Connection
  • Air, Vacuum and Water
  • Pressure up to 50bar
  • Slip Ring Integration
[Translate to English:] Einweg Drehdurchführung Hohlwelle

1-Passage Rotary Union Through Bore

  • 1 Passage, M6 Connection
  • Air and Vacuum
  • Through bore 25 to 40mm
  • Speed up to 100rpm
[Translate to English:] Einweg Drehdurchführung Standard

Single Passage Rotary Union Standard

  • 1 Passage, up to 3/8" Connection
  • Air, Water, Oil, Coolant
  • Pressure up to 50bar
  • Speed up to 3500rpm
[Translate to English:] Massgeschneiderte Drehdurchführung

Customized Rotary Unions

  • Shaft and Seal Material Options
  • Mounting Configuration Options
  • Increased Temp., Cleanability
  • Electrical and Fluid Integration