Gems Sensors and Controls 181688 Liquid Flow Switch

Description:

The Gems Sensors 181688 Flow Switch is used in liquid flow monitoring systems to detect and verify coolant, water, and process fluid movement in industrial equipment. Commonly installed in cooling systems, semiconductor equipment, laser systems, medical equipment, welding machinery, and process automation applications requiring reliable flow verification. Maintenance teams and system integrators use this flow switch for replacement, retrofit projects, and preventive maintenance to protect critical equipment from low-flow or no-flow conditions.

Applications:

The Gems Sensors 181688 Flow Switch is commonly used in industrial cooling circuits, process water systems, robotic welding equipment, laser cooling systems, semiconductor manufacturing equipment, medical imaging systems, and automated process machinery where accurate liquid flow monitoring is required to prevent equipment damage and maintain operational reliability.

Technical Specifications:

• Manufacturer: Gems Sensors & Controls
• Part Number: 181688
• Product Type: Liquid Flow Switch
• Series: RotorFlow® RFS
• Flow Switch Type: Rotor / Hall Effect Flow Switch
• Switch Configuration: SPDT
• Connection Size: 1 in. FNPT
• Body Material: Brass
• Flow Range: 8 to 60 GPM
• Maximum Pressure: 200 PSI
• Supply Voltage: 24 VDC
• Contact Rating: 20 mA @ 24 VDC
• Wetted Materials: Brass, Ceramic, Polysulfone, Viton
• Operating Temperature Range: -20°F to 212°F (-29°C to 100°C)
• Set Point Configuration: Adjustable
• Filter Rating: 150 Micron Recommended
• Standards: CE Certified, UL Listed
• Application: Liquid Flow Monitoring and Equipment Protection

Common Replacements:

• Gems Sensors RFS 180395 Flow Switch
• Gems Sensors FS-550 (29608) Flow Switch
• Gems Sensors 181688BSPP RotorFlow® Flow Switch