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Rotary unions

Storz Products > Rotary unions

Hydraulic systems in accordance with DIN and ISO

Rotary unions are components that enable the transfer of liquids or gases between rotating and stationary parts in hydraulic systems.

Rotary unions

We realize special designs based on your ideas. For an optimal solution: Talk to our experienced design engineers.

About rotary unions

Definition and function

Rotary unions are used to transfer liquids or gases into or out of rotating or swiveling assemblies of machines or systems. Rotary unions are necessary in various industries to transfer media such as oil, water, grease, emulsions, as well as air/compressed air, gas, or vacuum between stationary and rotating machine parts. They enable the sealed transfer of a fluid from stationary supply lines into/out of or through a rotating machine element.

Types of rotary unions

Multi-way rotary unions for liquids

Multi-way Rotary unions can be used for the supply and discharge of media in virtually any number of channels.

The media channels are strictly sealed off from each other and can be subjected to different pressures and media independently of each other.

Multi-way rotary unions are suitable for various applications, such as the use of media like water, hydraulic oil, air, or vacuum. They can also transfer media such as steam.

Application areas and information

Industrial applications

Examples of applications include use in rollers, spindles or drives.

Rotary unions are necessary for the safe and efficient transfer of media such as air, water, vacuum, and other liquids. They can also transfer media such as coolants.

Construction, sealing and quality

German manufacturing

  • Our rotary unions are known for their high reliability and long service life.
  • We rely on sealing technologies that have been tried and tested for decades.
  • Our products are manufactured in Germany and offer the highest quality.

Benefits for the customer

Fast delivery and customized solutions

  • We offer a wide variety of rotary unions with different sealing principles and standards.
  • We also offer the possibility of transmitting signals and electrical power via slip ring transmitters, or prepare the rotary union for use in this way.
Storz rotary unions are 100% custom-designed and developed precisely to your requirements.

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