Liquid Flow Switches

A wide variety of flow switch technologies to address nearly any application.

Mechanical Types- that provide a simple and low cost solution

Electronic switches- for applications requiring sensitive measurement , more versatile features and can address a wide variety of media such as viscous, or petroleum based.

Outputs can be via Relay (dry contact), or Transistor switch, and with or without flow displays.

Air Flow Switches

Mechanical Types- for detecting and proving air flow in ducts or pipes.

Electronic (calorimetric) types- for applications requiring very low flow detection or leaks or for monitoring flow in ducts, fans, and monitoring compressed air flow in small or large pipes.

Outputs can be via Relay (dry contact), or Transistor switch, and with or without flow displays. 


Liquid Flow Transmitters

For transmitting the quantitative measurement of flow rate of water, oil or chemical based media.

Pipe Diameters – from 2mm O.D. to 100 Inches O.D.

Flow Ranges – from 0.2 ml/min to 1,000,000 GPM

Mechanical Types– Turbine, Paddlewheel, Bellows

Electronic (calorimetric) - For monitoring very low flows with no moving parts.


Air Flow Transmitters

For measurement and display of air flow rates in ducts, pipes, ventilation systems, and compressed air systems.

Mechanical– Turbine, Paddlewheel, Bellows

Solid State (No Moving Parts) - Calorimetric, Differential Pressure

Outputs can be Pulse, 4-20MA, Frequency, Voltage and with or without displays.




About Flow Network

Flow Network specializes in sensing products for Liquid and Air Flow, Pressure, Level, and Temperature. We supply only the highest quality, time tested products and support them with many years of industrial applications experience.

At Flow Network we pride ourselves on understanding the customer’s requirements and specifying the best solution possible, at the most economical price. Our team stands ready to help with your indication and control applications and we look forward to becoming your preferred source. If you do not find what you are searching for please call us – we are ready to help. Thank you for visiting our site

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Our Product Range

Liquid Flow Switches / Meters

Liquid Flow Transmitters

Air Flow Switches / Meters / Air flow Transmitters

Level Sensors, Flow Indicators, Display / Controls

Pressure, Temperature