KWFS(S) Liquid Flow Switch
The KWFS(S) series flow switch is a reliable SPDT device designed for monitoring water and glycol-based liquid flow in HVAC, chiller, boiler, pump, and cooling systems. It features brass-wetted construction, stainless steel vane, and field-adjustable set point for flow-loss alarming and interlock protection.
Technical Specifications
| Measurement Media |
Hot water, cold water, well water, pool water, seawater, brine, or glycol solutions |
| Power Supply |
15(8A) @ 24/250VAC |
| Wetted Parts Material |
304 Stainless Steel |
| Max Working Pressure |
25 bar |
| Protection Rating |
IP65 |
| Connection |
M18*1.5 |
| Sensing Element |
Paddle |
| Contact Configuration |
SPDT |
| Flow Set Point Adjustment |
Internal threaded screw |
Applications
- Chilled water / cooling water flow monitoring in central HVAC
- Chiller flow protection
- Data center cooling water circulation flow monitoring
- Heat pump system water flow protection interlock
- Boiler inlet/outlet flow monitoring and low-flow alarm
- Lithium battery plant cooling water system flow-loss alarming
- Semiconductor facility cooling water / UPW flow protection
- Marine and offshore engineering cooling water system flow protection
- Agricultural irrigation pipeline flow monitoring
- Energy storage system thermal management coolant flow protection