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FS20D Pointer Flow Switch Scale Display Flow Switch Flow Sensor

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FS20D Flow Switch is made of stainless steel housing, aluminum can be selected. Easyinstallation, is a mechanical flow switch, for liquid or gaseous media. Mechanical part and electronic part are completely isolated, suitable for small flow economy type.


  • Minimal pressure loss, good repeatability and stain resistance
  • With a switch setting scale, users do not need to set in the field.
  • Dual-use for vapor and liquid , can be used for water-cooling system and hydraulic
  • system
  • LED display switch status, dual switch output selected

Technical Parameters

Measuring Medium

Water, gas, oil

Output Signal

Reed switch, normally open

Contact Capacity


Maximal Withstand Pressure

30bar(Aluminum), 100bar (Stainless Steel)

Medium Temperature


Protection Grade


Electronic output

PG9 DIN43650

Our product philosophy is specialization, customization, and intelligence.

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    Add : Room 201, Building 5, No.18, Fenghua Road, Yuhua Economic Development Zone, Nanjing, Jiangsu,China
    Phone : +86-13270442058
    E-mail : info@hjsensor.com
   Whatsapp : +86-13270442058
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