Typical Applications:
• Flow monitoring and protection of industrial heat exchangers
• Cooling and heating circuits in process and utility systems
• Flow detection for pumps, chillers, and thermal systems
• Industrial water and heat transfer applications requiring reliable flow switching

Not Recommended For:
• Continuous flow measurement requiring analog or digital output
• Highly contaminated fluids that may cause mechanical blockage
• Applications requiring precise flow rate indication

Data sheet FL 60.01

Selection Notes

• Confirm that a flow switch (on/off detection) meets your application requirements
• Designed for flow monitoring rather than continuous flow measurement
• Suitable for liquid flow detection in industrial thermal systems
• Verify process temperature, pressure, and connection compatibility
• Proper installation direction is critical for reliable switching

Why Choose the WIKA FSM-6100 Flow Switch

• Designed specifically for flow monitoring in industrial heat exchangers
• Reliable flow detection for cooling and heating system protection
• Robust construction for industrial process environments
• Ideal for pump protection and thermal system safety interlocks

Applications

• Heating, cooling, air-conditioning and water treatment plants
• Pumps and dosing systems
• Operational controls to prevent system failures in the absence of supply of water or liquid

Special features

• Switch point repeatability of ±5 % for reliable switching
• High-quality bellows and microswitch for a service life of > 500,000 cycles
• Rigid paddles from stainless steel to withstand pressure surges and high medium temperatures

FAQ

Q: Is the WIKA FSM-6100 used for flow measurement or flow detection?
A: It is a flow switch designed for flow detection (on/off), not continuous flow measurement.

Q: Is the FSM-6100 suitable for heat exchanger applications?
A: Yes. It is specifically designed for flow monitoring in industrial heat exchanger systems.

Q: Can the FSM-6100 be used for pump protection?
A: Yes. It is commonly used to detect flow loss and protect pumps and equipment.

Q: Can you help confirm if this flow switch fits my thermal system application?
A: Yes. Our engineers can review your process conditions and recommend the right solution.