Proportional valves for medical devices

Precisely regulating gases

We develop products and systems for medical technology in close partnership with customers. The focus therefore is on efficiently regulating and controlling medical gases and fluids. In addition to solenoid valves, we often use proportional valves with piezo technology for these applications.

Perfect for medical technology: proportional valves with piezo technology

Piezo valves are ideal for regulating the pressure and flow of medical gases in mobile applications and those close to the patient because they are extremely compact, quiet and energy-efficient. Thanks to the material properties of piezo ceramics, no energy is needed to maintain the current flow, but only to change the flow state. This prevents heat build-up.

Treatment systems

Oxygen therapy for mobile applications

In operation:
Small and lightweight piezo valves regulate the gas flows and pressure that dispense the oxygen in infinitely variable steps.

Stationary ventilation in a clinical environment

In operation:
Proportional valves regulate the flow and pressure.


In operation:
Piezo valves, media valves, pneumatic valves and proportional pressure regulators regulate and control the flow of fluids from the blood and dialysis circuit.

Surgical tools

Eye surgery

In operation:
A pneumatic control unit consisting of solenoid valves and piezo valves actuates the surgical tools, pumps liquids or extracts them using vacuum.

Regulation of fluid flows, gas flows and slime at dental stations

In operation:
Switching valves, proportional valves, pumps and compressors for regulating fluid and gas flows of the different treatment instruments.

Medical equipment

Medical mattresses for hospital beds

In operation:
Piezo valves control the chambers individually to regulate the gas flow or pressure, quietly and with a soft-start function.

Further products available on request:

Proportional pressure regulating valve terminal VEMA

  • 8-channel pressure regulator
  • Output range: -0.5 … +0.5 bar
  • with digital CAN bus interface

Miniature pilot valve VUVG to expand the MHA1 series

  • Holding current reduction optional
  • Suitable for use with gases
  • Degree of protection IP65 and IP40
  • Suitable for vacuum

Click here to find out more about the miniature pilot valve MHA1 (PDF)

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