Electromechanical pressure switches / Pressostats from Trafag provide high vibration resistance and switch point precision in combination with an extremely robust and durable design. This results in switches that can be operated for decades without requiring maintenance, even under harsh conditions. Various designs with bellows, membrane and piston sensors cover a wide variety of pressure ranges, media and load profiles for many different applications like hydraulics, the railway and shipbuilding industry and others.

Products
Technology

Bellows sensors

  • High switching point precision and repeatability
  • Stainless steel, bronze and brass designs
  • Optionally welded/soldered design for absolute impermeability
  • Measure liquid, vaporous and gaseous media

Piston sensors

  • Suitable for high pressure ranges
  • Not sensitive to pressure surges
  • Suitable for applications with many load cycles
  • Ideal for hydraulic systems

Membrane sensors

  • Resistant to high overpressures and not sensitive to pressure surges
  • Suitable for applications with many load cycles
  • Measure liquid, vaporous and gaseous media