Industrial 18160 Flow Switch Model 1100 Series

Description:

The Thomas Products 18160 Model 1100 Flow Switch is used for monitoring liquid flow in piping systems and automatically actuating electrical control circuits when a preset flow rate is reached. Commonly installed in HVAC equipment, machine tools, marine systems, industrial process equipment, and cooling water circuits, this inline shuttle flow switch features a 1-1/4 inch FNPT bronze body with a factory-set 16 GPM increasing-flow set point. Maintenance teams and system integrators use this part for repair, retrofit, expansion, and replacement of industrial liquid flow monitoring systems.

Applications:

The Thomas Products 18160 Model 1100 is designed for liquid flow detection in water, oil, and other compatible fluids. It is widely used in HVAC systems, industrial cooling loops, machine tools, marine applications, pump protection systems, heat exchangers, and process control equipment where reliable flow monitoring is required. Its field-serviceable bonnet assembly allows maintenance without removing the switch body from the pipeline, minimizing system downtime.

Technical Specifications:

• Manufacturer Part Number (MPN): 18160
• Brand: Thomas Products Ltd.
• Model: 1100 Series
• Product Type: Liquid Shuttle Flow Switch
• Housing Material: Bronze
• Process Connection: 1-1/4 in FNPT
• Flow Set Point: 16 GPM (Increasing Flow)
• Operating Media: Water, Oil, and Compatible Liquids
• Switch Type: SPDT Pilot Duty Switch
• Electrical Rating: 20 VA Pilot Duty
• Pressure Rating: -14.7 to 400 PSI @ 100°F
• Operating Temperature: -20°F to 300°F (High-temperature versions available up to 400°F)
• Installation Type: In-line Pipe Mounting
• Serviceable Design: Field-Replaceable Bonnet Assembly (Clean-In-Place)
• Optional Connections: BSP, SAE, Socket Weld, Silver Braze (Factory Options)
• Calibration: Factory calibrated in water at 70°F on increasing flow
• Typical Industries: HVAC, Marine, Machine Tool, Industrial Process Control, Cooling Systems
• Country of Manufacture: USA

Common Replacements:

• Thomas Products 18161
• Thomas Products 18159
• Thomas Products 18201