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Flow Sensors - 74 - Blowout Sale! Save up to 82%


Blowout Sale! Up to 82% off on Flow Sensors at eissue.org. Top brands include BG Tech, uxcell, & Gems Sensors. Hurry! Limited time offers. Offers valid only while supplies last.



1/2inch Thread Hall Effect Water Flow Sensor Switch Flow Meter Meter
1/2inch Thread Hall Effect Water Flow Sensor Switch Flow Meter Meter
By BG Tech
In Stock
$23.99
1/2inch Thread Hall Effect Water Flow Sensor Switch Flowmeter Meter Specification:Rated operating voltage : 5V DCThe maximum operating current : 15 mA (5V DC)Working voltage range : DC 5 ~ 18 VLoad capacity : less than 10 mAThe use of ambient tempera...


Uxcell HFS-20 3/4BSP Target-type Circulation Water Flow Sensor Switch
Uxcell HFS-20 3/4BSP Target-type Circulation Water Flow Sensor Switch
By uxcell
In Stock
$27.35

mpn: a15061500ux0001, ean: 0712662482406,

Used for water heaters, automatic water dispensers, good flow monitor devices. It can be used to control the live wire for a water booster pump at home to increase the water pressure. The contact of the switch is normally open, it shifts to be close...


Gems Sensors FS-400 Series Bronze Flow Switch, Elbow, Shuttle Type, 2 gpm Flow Setting, 3/4'' NPT Female
Gems Sensors FS-400 Series Bronze Flow Switch, Elbow, Shuttle Type, 2 gpm Flow Setting, 3/4" NPT Female
By Gems Sensors
In Stock
$79.87
$76.89
You Save: 4%

mpn: 26442,

4.3 out of 5 stars with 41 reviews
FS-400 Series - General Purpose, 90 Degree Flow Path. Provides accurate flow detection in water and oil with 1% repeatability. Flow settings on the adjustable version can be easily changed without disassembly. A shuttle by-pass vane inside the housin...


Gems Sensors RFS Series Brass Flow Sensor Switch, Inline, Rotor Type, 115 VAC Input, 8.0 - 60.0 gpm Flow Setting Adjustment Range, 1'' NPT Female
Gems Sensors RFS Series Brass Flow Sensor Switch, Inline, Rotor Type, 115 VAC Input, 8.0 - 60.0 gpm Flow Setting Adjustment Range, 1" NPT Female
By Gems Sensors
In Stock
$70.34
$69.02
You Save: 2%

mpn: 181689,

Flow Set Point Switching - RFS Types. Combines visual confirmation of flow with dynamic, electronic switch operation. Easy, adjustable switch point calibration: a local LED signals when set point is reached. RotorFlow Switches build an extra level of...


Gems Sensors FS-4 Series Ryton Flow Switch, Elbow, Piston Type, SPDT Switch, 1.5 gpm Flow Setting, 9/16''-18 UNF-2B
Gems Sensors FS-4 Series Ryton Flow Switch, Elbow, Piston Type, SPDT Switch, 1.5 gpm Flow Setting, 9/16"-18 UNF-2B
By Gems Sensors
In Stock
$107.00
$60.50
You Save: 43%

mpn: 122357,

4.1 out of 5 stars with 31 reviews
FS-4 Series - Low Cost, Molded Plastic Construction. The FS-4 Series makes flow protection economical for a broad range of industrial applications such as welders, lubrication systems, medical sterilizers and laundry chemicals dispensing.Wetted Mater...


Gems Sensors RFS Series Stainless Steel 316 Flow Sensor Switch, Inline, Rotor Type, 24 VDC Input, 5.0 - 30.0 gpm Flow Setting Adjustment Range, 3/4'' NPT Female
Gems Sensors RFS Series Stainless Steel 316 Flow Sensor Switch, Inline, Rotor Type, 24 VDC Input, 5.0 - 30.0 gpm Flow Setting Adjustment Range, 3/4" NPT Female
By Gems Sensors
In Stock
$57.25
$55.63
You Save: 3%

mpn: 181691,

Flow Set Point Switching - RFS Types. Combines visual confirmation of flow with dynamic, electronic switch operation. Easy, adjustable switch point calibration: a local LED signals when set point is reached. RotorFlow Switches build an extra level of...


Gems Sensors FS-4 Series Ryton Flow Switch, Elbow, Piston Type, SPDT Switch, 0.1 gpm Flow Setting, 9/16''-18 UNF-2B
Gems Sensors FS-4 Series Ryton Flow Switch, Elbow, Piston Type, SPDT Switch, 0.1 gpm Flow Setting, 9/16"-18 UNF-2B
By Gems Sensors
In Stock
$107.00
$49.91
You Save: 53%

mpn: 122352,

4.9 out of 5 stars with 49 reviews
FS-4 Series - Low Cost, Molded Plastic Construction. The FS-4 Series makes flow protection economical for a broad range of industrial applications such as welders, lubrication systems, medical sterilizers and laundry chemicals dispensing.Wetted Mater...


Gems Sensors FS-927 Series Brass Compact Flow Switch, Elbow, Piston Type, Normally Open, 1 gpm Flow Setting, 1/4'' NPT Female
Gems Sensors FS-927 Series Brass Compact Flow Switch, Elbow, Piston Type, Normally Open, 1 gpm Flow Setting, 1/4" NPT Female
By Gems Sensors
In Stock
$104.00
$90.84
You Save: 13%

mpn: 70824,

4.2 out of 5 stars with 30 reviews
FS-927 Series – Small Design for Tight Instrumentation Packages. Measuring only 1˝ x 2-3/4˝, these compact switches are ideal for use where space is at a premium. Designed for use with water and oil, these switches are suitable for high volume OE...


Gems Sensors FS-200 Series Bronze Flow Switch, Inline, Shuttle Type, 1 gpm Flow Setting, 1'' NPT Female
Gems Sensors FS-200 Series Bronze Flow Switch, Inline, Shuttle Type, 1 gpm Flow Setting, 1" NPT Female
By Gems Sensors
In Stock
$209.00
$79.99
You Save: 62%

mpn: 27052,

4.7 out of 5 stars with 57 reviews
The FS-200 Series offers accurate flow detection, with 1% repeatability, over a broad range of flow settings and port sizes. Its durable construction delivers long-life reliability in either water or oil. Generous flow paths keep pressure drop low. T...


Gems Sensors FS-380P Series Polypropylene Flow Switch, Inline, Piston Type, 1 gpm Flow Setting, 1/4'' Quick Disconnect Male
Gems Sensors FS-380P Series Polypropylene Flow Switch, Inline, Piston Type, 1 gpm Flow Setting, 1/4" Quick Disconnect Male
By Gems Sensors
In Stock
$54.00

mpn: 197093,

FS-380P Series - Industrial Strength Inline Plastic Flow Switch. This rugged inline flow switch offers the same superior performance to non-clogging as its metal cousin (FS-380). The fixed set point and simple design make it a dependable switch. The ...


Gems Sensors FS-380 Series Brass High Pressure Flow Switch, Inline, Piston Type, 2 gpm Flow Setting, 1/2'' NPT Male
Gems Sensors FS-380 Series Brass High Pressure Flow Switch, Inline, Piston Type, 2 gpm Flow Setting, 1/2" NPT Male
By Gems Sensors
In Stock
$110.00
$88.26
You Save: 20%

mpn: 192567,

4.5 out of 5 stars with 14 reviews
FS-380 Series - Compact Flow Switch for High Inline Pressures. These rugged inline flow switches use 100 micron filtration and are less susceptible to clogging than other high-pressure inline flow switches. The one-piece magnetic PPS composite piston...


Gems Sensors FS-380P Series Polypropylene Flow Switch, Inline, Piston Type, 0.08 gpm Flow Setting, 3/8'' NPT Male
Gems Sensors FS-380P Series Polypropylene Flow Switch, Inline, Piston Type, 0.08 gpm Flow Setting, 3/8" NPT Male
By Gems Sensors
In Stock
$54.00

mpn: 216445,

FS-380P Series - Industrial Strength Inline Plastic Flow Switch. This rugged inline flow switch offers the same superior performance to non-clogging as its metal cousin (FS-380). The fixed set point and simple design make it a dependable switch. The ...


Gems Sensors FS-10798  Series Brass Flow Switch For Use With Oil, Inline, Piston Type, With 1/2'' Conduit Connector, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2'' NPT Female
Gems Sensors FS-10798 Series Brass Flow Switch For Use With Oil, Inline, Piston Type, With 1/2" Conduit Connector, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female
By Gems Sensors
In Stock
$65.51
$65.49

mpn: 49073,

FS-10798 Series - Externally Adjustable for Water, Oils and Gases. These externally adjustable switches are ideal for protecting machine tools from coolant flow failure, for protecting bearings from loss of lubricant or to assure proper air flow. The...


Gems Sensors FS-480 Series Stainless Steel 316 Flow Switch with Low Pressure Drop, Inline, Piston Type, 3 gpm Flow Setting, 3/4'' NPT Male
Gems Sensors FS-480 Series Stainless Steel 316 Flow Switch with Low Pressure Drop, Inline, Piston Type, 3 gpm Flow Setting, 3/4" NPT Male
By Gems Sensors
In Stock
$56.56
$56.48

mpn: 204719,

FS-480 Series - Stainless Steel Flow Switch for Large Flow, Low Pressure Drop. The FS-480 large-body inline flow switch delivers ample flow rates with minimal pressure drop. 25% larger than its FS-380 sibling, the FS-480 is ideal for processes that p...


Gems Sensors FS-927 Series Brass Compact Flow Switch, Elbow, Piston Type, Normally Open, 0.1 gpm Flow Setting, 1/4'' NPT Female
Gems Sensors FS-927 Series Brass Compact Flow Switch, Elbow, Piston Type, Normally Open, 0.1 gpm Flow Setting, 1/4" NPT Female
By Gems Sensors
In Stock
$104.00
$79.73
You Save: 23%

mpn: 70820,

4.6 out of 5 stars with 49 reviews
FS-927 Series - Small Design for Tight Instrumentation Packages. Measuring only 1˝ x 2-3/4˝, these compact switches are ideal for use where space is at a premium. Designed for use with water and oil, these switches are suitable for high volume OEM ...


Gems Sensors FS-380 Series Brass High Pressure Flow Switch, Inline, Piston Type, 0.5 gpm Flow Setting, 3/8'' NPT Male
Gems Sensors FS-380 Series Brass High Pressure Flow Switch, Inline, Piston Type, 0.5 gpm Flow Setting, 3/8" NPT Male
By Gems Sensors
In Stock
$113.00
$34.36
You Save: 70%

mpn: 168433,

4.8 out of 5 stars with 28 reviews
FS-380 Series - Compact Flow Switch for High Inline Pressures. These rugged inline flow switches use 100 micron filtration and are less susceptible to clogging than other high-pressure inline flow switches. The one-piece magnetic PPS composite piston...


Gems Sensors FS-925 Series Brass Flow Switch, Inline, Piston Type, 0.5 gpm Flow Setting, 1/4'' NPT Female
Gems Sensors FS-925 Series Brass Flow Switch, Inline, Piston Type, 0.5 gpm Flow Setting, 1/4" NPT Female
By Gems Sensors
In Stock
$193.00
$35.68
You Save: 82%

mpn: 26916,

4.4 out of 5 stars with 13 reviews
FS-925 Series - General Purpose. These two series of precision-calibrated switches provides reliable and consistent performance; repeatability is within 1%. FS-925 and FS-926 units are factory preset for actuation at specified flow rates. These switc...


Gems Sensors FS-500 Series Polypropylene Flow Switch, J-Box with 5-Amp Relay, Elbow, Shuttle Type, 0.25 gpm Flow Setting, 3/4'' NPT Female
Gems Sensors FS-500 Series Polypropylene Flow Switch, J-Box with 5-Amp Relay, Elbow, Shuttle Type, 0.25 gpm Flow Setting, 3/4" NPT Female
By Gems Sensors
In Stock
$70.55

mpn: 175901,

FS-500 Series - Low Cost Units for Threaded Plastic Piping. The FS-500 offers low cost flow monitoring with a variety of switch actuation points and low pressure drop. All wetted parts are polypropylene or stainless steel, making this switch ideal fo...


Gems Sensors FS-380P Series Polypropylene Flow Switch, Inline, Piston Type, 0.08 gpm Flow Setting, 1/4'' Quick Disconnect Male
Gems Sensors FS-380P Series Polypropylene Flow Switch, Inline, Piston Type, 0.08 gpm Flow Setting, 1/4" Quick Disconnect Male
By Gems Sensors
In Stock
$83.23

mpn: 216446,

FS-380P Series - Industrial Strength Inline Plastic Flow Switch. This rugged inline flow switch offers the same superior performance to non-clogging as its metal cousin (FS-380). The fixed set point and simple design make it a dependable switch. The ...


Gems Sensors FS-150 Series Polypropylene Flow Switch with Low Pressure Drop, Inline, Piston Type, Normally Closed, 5 gpm Flow Setting, 1/2'' NPT Male
Gems Sensors FS-150 Series Polypropylene Flow Switch with Low Pressure Drop, Inline, Piston Type, Normally Closed, 5 gpm Flow Setting, 1/2" NPT Male
By Gems Sensors
In Stock
$61.74
$59.99
You Save: 3%

mpn: 129671,

FS-150 Series - Straight Flow Path with Low Pressure Drop. These slim, inline switches reduce pressure drop to a minimum. They incorporate a unique, dual-diameter, internal bore and piston configuration to minimize flow constriction. Liquids are able...



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