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PKP - Process Instruments for Flow, Level, Temperature and Pressure

  • PKP Products -
  • Flow -
  • Variable Area Flowmeters

DS51 / DW-K Piston type flow switch for low-flow applications

  • for low viscous liquids
  • customised set switching point, settable between 0.1 and 2.5 l/min
  • small, compact design, for all mounting positions
  • robust metal housing from brass, nickel plated brass or stainless steel
  • process connection: 1/4" R female thread or hose connector for 8 mm hose
  • max. pressure: PN 16
  • max. temperature: 100 °C
  • ranges:
    5...60 ml/min - 8...30 l/min
DS51 0EM Kolben-Strömungsmesser für geringe Durchflüsse 6 images

More informations

The flow monitors of the DS51 type series are characterised by their robust and trouble-free design.

A piston with integrated permanent magnet is moved by the flowing medium against a stainless steel spring in the direction of flow and thus switches a reed contact attached to the housing. The contact is closed at flow and opens when the flow drops below the set value.

Typical applications

The flow monitors DS51 are mainly used where flows of low-viscosity media have to be monitored at low cost.

These are for example

  • cooling circuits
  • heating systems
  • welding machines
  • laser cooling systems

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Variable Area Flowmeters

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