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Flow Switch

32 Products
Thermal Dispersion Flow Switches for Liquids

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.

Piston Flow Switch for Air/Water, 0.05-1 GPM, SPST Reed, FDA Compliant

The P2 Flow Switch features a compact piston design for air and pure water applications, with FDA compliant materials, ideal for monitoring filter life and cooling systems.

Compact Fan and Filter Fan Air Flow Switch

The FSW800B-Series air-flow monitor provides a simple but reliable alternative to indicate positive or negative air flow of fans.

Brass High Pressure Flow Switches, 0.25-2.0 GPM, Industrial Use

The Brass High Pressure Flow Switches are designed for industrial use, managing liquid flow from 0.25 to 2.0 GPM. Ideal for cleaning and lubrication systems.

Thermal Dispersion Flow Switches

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

Globe Valve Flow Switches ± 1% Repeatability, Adjustable for Liquids

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.

Polypropylene Flow Switches – 3/8" or 1/4" NPT for Water & Cooling Systems

The Series P3 Polypropylene Flow Switches offer versatile inlet options for water and cooling systems. Ideal for pure water equipment and heat exchangers.

Duct-Mounted Pressure Sensor for Air/Gas Flow; Easy Install, 60" Ducts

The AFG Flow Grid is an easy-to-install duct-mounted pressure sensor for air and gas flow. Suitable for ducts up to 60", it offers reliable monitoring and control.

FS Series Flowmeters with Alarm & Visual Display for Various Applications

Flowmeter with Flow Limit Switch offers visual flow rate indication and an adjustable flow alarm. Good for chemical processing, pump testing, process control, and drain lines.

Liquid Flow Transmitter and Switch with Visual Indication

The FSW-9000-Series is a flow switch monitor that measures the velocity of the flow. The-Series provides two output options: a 4 to 20mA analog output and a PNP/NPN output.

Brass Flow Switches, Piston Mechanism, 0.10-1.5 GPM, for Liquid Flow

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.

Globe Flow Switch for Water/Oil – ± 1% Repeatability – Easy Adjustment

The Globe Flow Switch ensures precise flow detection in water and oil, featuring easy adjustments and durable, non-corrosive materials for reliable performance.

Flow Switch

Flow switches are vital for industrial, commercial, and lab applications. DwyerOmega provides diverse options, including economical air flow switches, heavy-duty paddle switches, and thermal dispersion models for liquids. Ideal for precise flow monitoring and control.
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