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Flow Switches

No moving parts, not susceptible to contamination and can be oriented in any pipe configuration make these flow meter maintenance free and reliable.
22 Products found

Compact Fan and Filter Fan Air Flow Monitor

The FSW800B Series air-flow monitor provides a simple but reliable alternative to indicate positive or negative air flow of fans. When properly installed and connected in ...

Starting at $41.65

289  In Stock
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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 and an internal screw adjustment for in-line monitoring of switch points. Multiple drag disks provid...

Starting at $198.05

4  In Stock
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Flow Switches

The FSW301 flow switch comprises a paddle system with a permanent magnet attached. Above that magnet is a reed contact, located outside the flow of fluid. A second magnet ...

Starting at $138.33

5  In Stock
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Thermal Dispersion Flow Switches for Liquids

OMEGA™ FST-200 Series 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 speci...

Starting at $186.48

3  In Stock
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Thermal Dispersion Flow Switches for Use With Gases

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

Starting at $195.24

4  In Stock
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Trim to Size Paddle Type Liquid 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. In static liqu...

Starting at $250.75

14  In Stock
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Industrial Flow Switches From 0.12 to 70 GPM Non-magnetic - ideal for Rusty Wate...

The FSW-30A flow switch is supplied with six orifices to provide 6 overlapping flow ranges from 0.12 to 8.0 GPM for water. The FSW-31 is supplied with 3 different drag dis...

Starting at $314.50

4  In Stock
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Liquid Micro-Flow Switches

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

Starting at $313.18

1  In Stock
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Liquid Flow Transmitter and Switch

The FSW-9000 Series is a flow switch monitor that measures the velocity of the flow. It is ideal for use in measurement and control liquid applications. The FSW-9000 Serie...

Starting at $340.00

1  In Stock
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Trim-to-size Paddle Type Switches for ‘flow/no Flow’ Detection for Piping System...

FSW-20 series paddle-type switches easily install into pipes ranging in size from 1¼' on up using an ordinary pipe tee or threaded weld coupling. The paddle pivots to ...

Starting at $198.05

3  In Stock
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Thermal Flow Switches

The FSW-420 & FSW-430 Series have been discontinued. Please see the FSW6000 & FSW7000 as a possible alternati...

Starting at $273.70

2  In Stock
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Paddle Flow Switch

The OMEGA™ 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 condi...

Starting at $115.80

12  In Stock
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