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

DR20B / DW-FS Paddle wheel flow transmitter

  • for low-viscosity liquids
  • paddle wheel flow transmitter with high measuring range
  • high quality bearings, high accuracy
  • almost temperature independent measurement, linear output signal, small mounting dimensions
  • for process connections from G 1/2 up to G 2, also weld-on version available
  • max. pressure: 25 bar, max. temperature: 100 °C
  • measuring ranges:
    2,5-50 l/min ... 35-580 l/min
Schauffelrad Durchflusstransmitter DR20B 5 images

More informations

The flow transmitter model series DR20B work acc. to the paddle wheel principle. The medium flows unilaterally against the paddle wheel and puts it into rotation. This leads to a low response sensitivity combined with a high turndown ratio up to 1:20. The devices are in the version with a T-fitting for nominal sizes of DN 15 until DN 50 available. Therefore measuring ranges of initially 2,5 l/min up to 580 l/min can be covered.

In principle a weld on version can be used for many different pipe diameters. The analogue output is proportional to the flow rate and covers the range 0,3 until 5 m/s.

Typical applications

The paddle wheel flowmeter of the type series DR20B can be used for flow measuring of all low viscous liquids that are not aggressive to the used materials.

Because of the high quality bearings the devices work very reliably.

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Paddle/Oval Wheel, Nutating Disc, Turbine, and Gear Wheel Flowmeters

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