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FlowX3 F3.05

Paddlewheel Flow Switch

The simple insertion paddlewheel flow switch type F3.05 is designed to protect a pump from running dry or pumping against a closed valve.
It is equipped with a mechanical SPST contact activated when the flow velocity drops below the factory preset value of 0.15 m/s (0.5 ft/s).
A specially designed family of fitting ensures an easy and quick installation into all pipe materials in sizes from DN15 to DN600 (0.5" to 24").

Main Features

  • CPVC, PVDF, Stainless Steel or Brass sensor body
  • Easy insertion system
  • High chemical resistance
  • No-Flow alarm relay output
  • Highly visible Local Bicolour Status Indicator
  • Maintenance free
  • Very low pressure drop


  • Pump protection
  • Filtration systems
  • Cooling water systems


Flow Meters

FlowX3 F3.00
Paddlewheel Flow Sensor

FlowX3 F3.20
Paddlewheel Flow Sensor - for high pressure and temperature

FlowX3 F111
Hot Tap Installation

FlowX3 F3.60M.S
Insertion Magmeter

FlowX3 F9.60M
Insertion Magmeter with Display

FlowX3 F3.61M.S
Hot Tap Insertion Magmeter

FlowX3 ULF
Ultra Low Flow Sensor

FlowX3 F3.80
Oval Gear Flow Sensor

FlowX3 F3.05
Paddlewheel Flow Switch

FlowX3 F3.10
Paddlewheel Mini Flow Sensors