Flow Switches

The Air Flow Switch monitors duct air flow and comes with a mounting bracket for easy installation. It is used for fan, filter, and air handler monitoring.

The Compact Flotect® Flow Switch is a weatherproof, NEMA 4 device designed for 1/2 to 2-inch pipes, ensuring reliable flow monitoring for liquids, gases, and air.

The FST-200 flow switches use thermal dispersion technology to create a very accurate and economical method of sensing flow. Monitor fluids from 0.4 to 1.2 specific gravity.

The Flotect® Flow Switches provide reliable low flow protection in weatherproof and explosion-proof designs. Ideal for safeguarding pumps and systems in demanding environments.

The FST-320-Series thermal dispersion flow switches, especially designed for use with gases, sense changes in the heat transfer characteristics of the gases.

The Series GVS Globe Valve Flow Switches ensure precise flow detection for liquids with 1% repeatability and adjustable settings, ideal for lubrication and cooling applications.

The Series FS-2 Vane Flow Switch is designed for boilers and heaters, adjustable for 1-8" pipes. Ideal for flow proving in various applications, featuring durable aluminum housing.

The TDS Thermal Flow Switch detects non-coating liquids, featuring adjustable SPDT output and LED indicators for flow status. Ideal for pump and process protection.

The Series V10 Mini Flow Switches monitor flow in 1/2 to 2-inch pipelines. Available in brass or stainless steel, they ensure reliable performance for various applications.

The FSW301 flow switch comprises a paddle system with a permanent magnet attached. This construction allows a useful life of up to 100,000,000 switching cycles.

The Adjustable Air Flow Paddle Switch features a stainless steel vane and a durable design, perfect for detecting air flow in HVAC systems with minimal calibration.

The Flotect® Flow Switch for Liquids is a reliable NEMA 4X device designed for boilers and pumps, ensuring safe operation by detecting flow conditions in various applications.

The FS-100-Series offers low cost flow monitoring with a variety of switch actuation points and low pressure drop. All wetted parts are polypropylene.

The FSW-25 flow switch utilizes the force of liquid flow to propel its paddle and to detect the incoming flow or movement of the existing liquid in the pipe.

The Duct Air Flow Switch features a durable die-cast body and stainless steel vane, adjustable for air flow from 400-1600 FPM. Ideal for low air flow alarms in ducts.

The FSW-40A and FSW-50-Series flow switches feature 15 A SPDT switches. Their non-magnetic design makes these switches ideal for applications in which rust is a problem.

The FSW-6000/7000-Series are thermal flow switch monitors designed to monitor flow status and also used to detect level of liquids, air and gas with visual indication of flow

This switch package offers a complete solution for flow or no-flow switching in pipes or ducting up to 12'. The compact relay controller actuates valves, pumps, or blowers.

The Thermal Dispersion Flow Transmitter features a durable 316L stainless steel design, ideal for measuring flow in pipes from 1/2" to 2". Perfect for chiller and boiler systems.

The Series P1 Brass Flow Switches feature a piston mechanism for precise flow detection, suitable for liquid applications between 0.10-1.5 GPM. Ideal for industrial use.