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Flow Switches

Not susceptible to contamination and can be oriented in any pipe configuration make these flow switches for liquid or air maintenance free and reliable. Mechanical and electronic designs available
22 Products found

Economical Brass Flow Switches

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.

$243.35

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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.

$49.69

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Trim-to-size Paddle Type Switches for Flow/no Flow Detection

The FSW-20 switches easily install into pipes. The paddle is easily cut for field installation for desired flow setting. Features high pressure and high temperature ratings.

$236.27

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Thermal Dispersion Flow Switches for Use With Gases

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

$232.91

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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.

$222.47

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Non-magnetic Industrial Flow Switches - Ideal for Rusty Water

The FSW-30A flow switches are supplied with six orifices to provide 6 overlapping flow ranges from 0.12 to 8.0 GPM for water. Wetted Parts: brass, 316 SS, phosphor bronze.

$567.84

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Industrial Flow Switches - From 2 to 15 Feet/second

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.

$461.37

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Trim to Size Paddle Type Flow Switch

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.

$299.13

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Flow Switches for Threaded Plastic Piping

The FSW500 offers low cost flow monitoring with a variety of switch actuation points and low pressure drop. All wetted parts are polypropylene or stainless steel.

$79.10

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Economical Air Flow Switch With High/Lo Alarms

The FST1000-Series measures air velocity and provides two SPST contact closures corresponding to high and low alarm set points. The alarm set points adjust from 0 to 100%

$350.78

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Heavy Duty Paddle Flow Switch

The FSW-160 is the newest heavy-duty line of flow switches.The switch is used to signal,start,or stop electronically operated equipment when flow or no-flow conditions occur.

$138.15

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Mini Brass Flow Switches

The FSW-130-Series compact switches are for use where space is limited. They are ideal for coolant or lubricant flow monitoring and applications with space constraints.

$117.91

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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

$542.49

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in 6 weeks
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In-Line Plastic Flow Switch

The FSW-140-Series flow switches offer superior performance. Their fixed set-point make it a dependable switch. This-Series is an ideal choice for coolant applications.

$64.65

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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.

$801.06

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in 6 weeks
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Flow Switch With Compact Relay Controller

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.

$642.32

Available
in 8 weeks
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Liquid Micro-Flow Switches

The FSW530-Series flow switches are capable of detecting low liquid flow rates from 13 mL/minute up to 10 L/minute with a full scale switch accuracy of 1.0% or better.

$497.12

Available
in 3 weeks
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Fixed Switch Point Mini Plastic Flow Switch

The FSW-120-Series of compact PPS switches are ideal for use where space is at a premium. They are designed for use with water and water based solutions.

$117.91

Available
in 4 weeks
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Single Sensor Controller

The FLCN-110 offers adjustable time delay relays, invert switch, and LED status enunciators all maximize the flexibility of this powerful controller.

$236.27

Available
in 6 weeks
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Flow/No Flow Single Sensor Controller With Strobe Alert

For operator alert to low flow conditions an amber lens distributes the high intensity strobe light in a pattern which calls immediate attention to alarm conditions.

$294.06

Available
in 5 weeks
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