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  • Flow switch WFS series
  • Flow switch WFS series
Flow switch WFS series
Flow switch WFS is applied for interlocking protection control of water, chilled water or cooling water systems and other fluids.

Product Details

Technical specifications


switch SPDT Ambient temperature 5~40℃
Resistive load voltage 250Vac medium temperature 5~80℃
Resistive load current 15A Maximum allowable pressure 1.6Mpa

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Selection Table


model Set range (liters/minute) Return difference (liters/minute) Pipe diameter (mm)
WFS-1 16~32 6 25
WFS-2 22~50 8 32
WFS-3 28~72 9 40
WFS-4 50~110 15 50
WFS-5 65~130 20 65
WFS-6 100~200 30 80
WFS-7 240~480 50 100
WFS-8 480~920 80 125

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Deeply rooted in the sensing industry, we integrate R&D, production and sales, focusing on the R&D, manufacturing of intelligent sensing equipment and supply of relevant solutions.
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Phone: 0755-83343508/0755-28030573

Fax: 0755-83356166

Email: ming@greystoneenergy.com.cn

Address: 2nd Floor, Building 10, Shenliang Guanlan Automotive Electronics Characteristic Industrial Park, 299 Guanping Road, Longhua District, Shenzhen

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