Wika Model FLS Float Switch

A float with a permanent magnet moves reliably along with the liquid level on a guide tube.

A float with a permanent magnet moves reliably along with the liquid level on a guide tube. Within the guide tube is fitted a reed contact (inert gas contact), which is energised, through the non-magnetic walls of the float and guide tube, by the approach of the float magnet. By using a magnet and reed contact the switching operation is non-contact, free from wear and needs no power supply. The contacts are potentialfree. Float switches are also available with multiple switch points.

Special features

■ Large range of application due to the simple, proven functional principle 

■ For harsh operating conditions, long service life 

■ Operating limits: 

- Operating temperature: T = -196 ... +350 °C 

- Operating pressure: P = Vacuum up to 40 bar 

- Limit density: ρ ≥ 300 kg/m3 

■ Wide variety of different electrical connections, process connections and materials 

■ Explosion-protected versions

Application

■ Level measurement for almost all liquid media 

■ Pump and level control and monitoring of distinct filling levels 

■ Chemical, petrochemical industry, natural gas, offshore, shipbuilding, machine building, power generating equipment, power plants 

■ Process water and drinking water treatment, food and beverage industry

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