Mechanical Flow Controller

The DW 18 series of flow controller is ideal for locally indicating the flow of homogenous clean liquids.

Adjustable switches generate alarms once switching points are reached.
The units are robust. Several variants are available to suit a wide variety of applications.

Highlights 
Mechanical, autonomous flow switches - no power supply needed  
For horizontal and vertical pipes from DN 15 up to DN 3000 - and higher  
High reliability and repeatability  
Proven technology - for more than thirty years  
Bistable reed switches, SPDT switches and relays available  
Optional second limit switch  
Switch position can be adjusted under process conditions  
High-temperature version (without indicator) for operating conditions up to 300°C / 570°F  
Housing is removable under process conditions  
Optional approval for EEx I or EEx d applications  
No maintenance needed

Industries 
Petrochemical  
Oil & Gas  
Chemical  
Water  
Air-conditioning (HVAC)

Applications
Flow detection  
Cooling systems  
Pump protection  
Lubrication control  
Cavitation alarm