Power Plant
The right speed

Variable speed fluid couplings

Variable speed fluid couplings

    Variable speed fluid couplings

    Controlling drive line speed and ensuring consistency, Voith variable speed couplings are proven in the field and are particularly well suited for pump, fan and compressor applications. Simple in design with a robust structure, these couplings operate reliably in virtually all environments.

    For precise and step-less speed control of motor-driven machines, within a power range from 100 kW to 35,000 kW and with input speeds up to 3,600 rpm, Voith’s variable speed fluid couplings provide you with one of the best-documented solutions on the market with over 15,000 installations world-wide.

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    All benefits at a glance

      Voith reliability icon
      Increased reliability
      Increased reliability of the entire drive train
      Voith dampening icon
      Dampening
      Shock and vibration dampening
      Voith power icon
      Robust design
      Robust design suitable for outdoor and extreme conditions
      Voith precise torque icon
      Two-in-one
      Speed control and oil lubrication system
      Voith idea icon
      Energy saving
      Powerful efficiency
      Voith superior quality icon
      30
      Long lifetime of up to 30 years

      Digitally enabling proven and trusted technology OnCare.Health IOLIS for variable speed fluid couplings

        OnCare.Health IOLIS is a new digital measurement system for Voith variable speed fluid couplings. It transmits process data from the coupling digitally to the control room via bus protocols.

        S coupling

        Benefits

        • Smart and simple sensor system
        • Minimal wiring
        • Easy maintenance and handling
        • Quick and precise data transfer
        • Fast replacement

        Easily integrated into existing or new couplings, this system consists of IO-Link ready sensors, IO-Link measurement components and a display screen (HMI screen). System component supply is guaranteed and readily available as standard stock components are used and integration of the system into existing network systems is possible, via an Ethernet connection.

        Learn more

        We invite you to click and explore our latest digital measurement system, OnCare.Health IOLIS.

        Publication

        How a variable speed coupling works

          Voith variable speed couplings are fluid couplings. They link the drive machine – generally an electric motor – with the corresponding driven machine.

          The power is transferred through the fluid energy of the working fluid. This fluid flows in an enclosed working chamber between the pump wheel (linked to the input shaft) and the turbine wheel (linked to the output shaft). The coupling fill level can be adjusted between 0 % and 100 % during operation, enabling precise and continuously variable driven machine speed control. The control range depends on the load characteristic (torque to speed ratio).

          How a variable speed fluid coupling functions

          Application areas

            Primarily used in pump and fan drive applications within the power, oil and gas industries as well as in the mining and material production industry.

            Power Plant

            Witness powerful efficiency: Voith’s variable speed fluid couplings

              Save space, energy, increase reliability and prolong the entire driveline’s service life in combined cycle power plants, with Voith variable speed couplings.

              How can we help you?

                Ralph Höfert

                Product manager: Variable speed fluid couplings

                 

                t +49 7951-32 432

                Voith Service – how can we help you?

                  Every day holds new challenges and we help you master them successfully. Anytime. Anywhere. Please click on the icon to find out more about our Variable speed fluid couplings services.
                   

                  Variable speed fluid couplings

                  Your Service Helpline

                  Are you in need of emergency assistance? Call us and we will help you!

                  t +49 7951 32 1616

                  Voith services all brands

                  Furthermore, our trained technicians are skilled in the servicing of other manufacturer brands.

                  Find out more

                  Publications

                    Learn more about our range of variable speed drives (VSDs)

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