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Quick Details

  • Place of Origin: Shanghai, China (Mainland)
  • Brand Name: ACOL
  • Model Number: WFS51
  • Tolerance: ±5% of full scale: Average pressure loss:0.3bar at25L/min
  • Media temperature:max.-90°C: Protection class: IP65 (IP67 custom-made)
  • spring: stainless steel: seal: NBR

Packaging & Delivery

Packaging Details Carton Boxes .
Delivery Time 1 day

Pistion Water Flow Switch


Technical parameters:

Tolerance: ±5% of full scale
Hysteresis: depend on switch position,  Min.0.5L/Min
Switch value: L/min  H2O  20°C calibrated horizontally
  mounting position,media and temperature influence the switch value


 DC indicate switch status /AC no LED
Mode of connection: Contact for locking plug M12
Output:  reed switch 24VDC/250VAC 100mA
Pressure: 50bar aluminum /100bar stainless steel
Average pressure loss: 0.3bar at25L/min
Protection class:  IP65 (IP67 custom-made)
WFS51…BA material: shell: nickel plated brass
  piston: POM plastic
  spring: stainless steel
  seal: NBR


WFS51…LA material: shell: Anodized Alumina

                   piston: POM plastic

                   spring: stainless steel

                   seal: NBR

WFS51…PA material: shell: POM plastic

                   piston: POM plastic

                   spring: stainless steel

                   seal: NBR

WFS51…SA material: shell: stainless steel 

                   piston: POM plastic

                   spring: stainless steel

                   seal: NBR


On-line installation, mechanical flow switch for liquid or gaseous media, with spring-supported piston and magnetic triggering of a reed switch. Rugged design in plastic.

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China (Mainland) | Manufacturer, Trading Company
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