Flow Switches | Flow Instruments

FS-100-Series

3/4" Flow Switches for Threaded Plastic Piping

The FS-100-Series offers low cost flow monitoring with a variety of switch actuation points and low pressure drop. All wetted parts are polypropylene.

Product Number	Media Type	Accuracy	Max Operating Pressure	Max Process Temperature	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Wire Length	Features
FS-100-025 $86.68 44 In Stock Added to Your Shopping Cart QTY	Liquid	±10%	120 psi	80°C (175°F)	NPT Female	3/4"	Polypropylene	50 VA SPST	12" (300mm)	0.25 GPM Switch Point

FS-100-050 $86.68 Available in 4 weeks Added to Your Shopping Cart QTY	Liquid	±10%	120 psi	80°C (175°F)	NPT Female	3/4"	Polypropylene	50 VA SPST	12" (300mm)	0.50 GPM Switch Point

FS-100-100 $86.68 26 In Stock Added to Your Shopping Cart QTY	Liquid	±10%	120 psi	80°C (175°F)	NPT Female	3/4"	Polypropylene	50 VA SPST	12" (300mm)	1.00 GPM Switch Point

FS-100-200 $86.68 20 In Stock Added to Your Shopping Cart QTY	Liquid	±10%	120 psi	80°C (175°F)	NPT Female	3/4"	Polypropylene	50 VA SPST	12" (300mm)	2.00 GPM Switch Point

FS-100-250 $86.68 51 In Stock Added to Your Shopping Cart QTY	Liquid	±10%	120 psi	80°C (175°F)	NPT Female	3/4"	Polypropylene	50 VA SPST	12" (300mm)	2.50 GPM Switch Point

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FSW40-50-Series

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.

Product Number	Media Type	Velocity Range	Max Operating Pressure	Max Process Temperature	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Features
FSW-51 $288.39 2 In Stock Added to Your Shopping Cart QTY	Liquid	2.7 to 10.8 FPS	100 psi	93 °C (200 °F)	NPT male	1 1/4"	316 SS, Polyphenylene Sulfide, FKM	15 A SPDT	For 1¹⁄₂" to 2¹⁄₂" Pipe Sizes

FSW-50 $282.75 1 In Stock Added to Your Shopping Cart QTY	Liquid	3.3 to 11.5 FPS	100 psi	93 °C (200 °F)	NPT male	1 1/4"	316 SS, Polyphenylene Sulfide, FKM	15 A SPDT	For 1" Pipe Sizes

FSW-40A $552.13 Available in 5 weeks Added to Your Shopping Cart QTY	Liquid	2.0 to 15 FPS	300 psi	82 °C (180 °F)	NPT male	1"	Brass, 316 SS, Phosphor Bronze, EPDM	15 A SPDT	For 1" Pipe Sizes

FSW-41A $552.13 Available in 5 weeks Added to Your Shopping Cart QTY	Liquid	2.0 to 15 FPS	300 psi	82 °C (180 °F)	NPT male	1"	Brass, 316 SS, Phosphor Bronze, EPDM	15 A SPDT	For 1¹⁄₂" to 2¹⁄₂" Pipe Sizes

FSW-42A $552.13 Available in 5 weeks Added to Your Shopping Cart QTY	Liquid	2.0 to 15 FPS	300 psi	82 °C (180 °F)	NPT male	1"	Brass, 316 SS, Phosphor Bronze, EPDM	15 A SPDT	For 3" to 10" Pipe Sizes

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FSW30-Series

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.

Product Number	Media Type	Flow Range	Max Operating Pressure	Max Process Temperature	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type
FSW-31A $529.95 4 In Stock Added to Your Shopping Cart QTY	Water	6 to 70 GPM	300 psi	82 °C (180 °F)	NPT Female	1"	Brass, 316 SS, Phosphor Bronze, EPDM, PVC	15 A SPDT

FSW-30A $682.23 6 In Stock Added to Your Shopping Cart QTY	Water	0.12 to 8 GPM	300 psi	82 °C (180 °F)	NPT Female	1/2"	Brass, 316 SS, Phosphor Bronze, EPDM	15 A SPDT

FSW-32A $450.77 Available in 5 weeks Added to Your Shopping Cart QTY	Water	4 to 8 GPM	300 psi	82 °C (180 °F)	NPT Female	1"	Brass, 316 SS, Phosphor Bronze, EPDM, PVC	15 A SPDT

FSW300-Series

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.

Product Number	Media Type	Flow Range	Max Operating Pressure	Max Process Temperature	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Features
FSW304 $324.97 13 In Stock Added to Your Shopping Cart QTY	Liquid	3.5 to 4.4 GPM	362 psi	110 °C (230 °F)	NPT Female	1"	Brass	26 VA SPST	Not Applicable

FSW301 $291.22 9 In Stock Added to Your Shopping Cart QTY	Liquid	4 to 132 GPM	365 psi	110 °C (230 °F)	NPT male	1/2"	Brass, SS, Polypropylene, Noryl	26 VA SPST	Not Applicable

FSW302 $324.97 Available in 5 weeks Added to Your Shopping Cart QTY	Liquid	0.9 to 1.1 GPM	362 psi	110 °C (230 °F)	NPT Female	1/2"	Brass	26 VA SPST	Not Applicable

FSW303 $324.97 1 In Stock Added to Your Shopping Cart QTY	Liquid	1.8 to 2.4 GPM	362 psi	110 °C (230 °F)	NPT Female	3/4"	Brass	26 VA SPST	Not Applicable

FSW301-G $197.50 Available in 11 weeks Added to Your Shopping Cart QTY	Liquid	4 to 132 GPM	365 psi	110 °C (230 °F)	G Thread Male	1/2"	Brass, SS, Polypropylene, Noryl	26 VA SPST	Not Applicable

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FST200-Series

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.

Product Number	Media Type	Velocity Range	Accuracy	Max Operating Pressure	Max Process Temperature	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Supply Power	Wire Length	Features
FST-211-SPST $305.52 4 In Stock Added to Your Shopping Cart QTY	Liquid	0.04 to 3 FPS	±5%	150 psi	60 °C (140 °F)	NPT male	3/4" to 1 1/2"	PP, PVDF	1 A SPST Relay	12 to 36 Vdc	10'	Switch Type Selectable, NO or NC

FST-212-SPST $516.44 35 In Stock Added to Your Shopping Cart QTY	Liquid	0.04 to 3 FPS	±5%	150 psi	60 °C (140 °F)	NPT male	3/4" to 1 1/2"	PVDF	1 A SPST Relay	12 to 36 Vdc	10'	Switch Type Selectable, NO or NC

FST-221-SPST $329.99 3 In Stock Added to Your Shopping Cart QTY	Liquid	0.04 to 3 FPS	±5%	150 psi	60 °C (140 °F)	NPT male	2" to 12"	PP, PVDF	1 A SPST Relay	12 to 36 Vdc	10'	Switch Type Selectable, NO or NC

FST-222-SPST $565.14 Available in 8 weeks Added to Your Shopping Cart QTY	Liquid	0.04 to 3 FPS	±5%	150 psi	60 °C (140 °F)	NPT male	2" to 12"	PVDF	1 A SPST Relay	12 to 36 Vdc	10'	Switch Type Selectable, NO or NC

FST-211-SPST-25 FT $297.46 Available in 8 weeks Added to Your Shopping Cart QTY	3.0 x 3/4	0.04 to 3 fps (Liquids)	PP/PVDF	SPST	Liquid	3/4 to 1 1/2 in	7.62 m (25 ft)

FSW500-Series

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.

Product Number	Media Type	Accuracy	Max Operating Pressure	Max Process Temperature	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Wire Length	Features
FSW503 $104.55 89 In Stock Added to Your Shopping Cart QTY	Liquid	±20%	100 psi	100 °C (212 °F)	NPT Female	3/4"	Polypropylene, 316 SS, FKM	20 VA SPST	48"	1.00 GPM Switch Point

FSW506 $104.55 9 In Stock Added to Your Shopping Cart QTY	Liquid	±20%	100 psi	100 °C (212 °F)	NPT Female	3/4"	Polypropylene, 316 SS, FKM	20 VA SPST	48"	5.00 GPM Switch Point

FSW-25-Series

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.

Product Number	Media Type	Flow Range	Accuracy	Max Operating Pressure	Max Process Temperature	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Supply Power
FSW-25 $359.40 20 In Stock Added to Your Shopping Cart QTY	Liquid	See Product Specs	±1%	355 psi	149 °C (300 °F)	PT	1"	304 SS, Aluminum	SPDT	200 Vdc

FSW-160-Series

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.

Product Number	Media Type	Flow Range	Accuracy	Max Operating Pressure	Max Process Temperature	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Supply Power
FSW-160 $192.78 1 In Stock Added to Your Shopping Cart QTY	Liquid	4 to 500 GPM	±1%	200 psi	121 °C (250 ˚F)	NPT male	1"	316 SS, 304 SS, Brass, EPDM	15 A SPDT	125 or 250 Vac

FST320-Series

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.

Product Number	Media Type	Velocity Range	Accuracy	Max Operating Pressure	Max Process Temperature	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Supply Power	Wire Length	Features
FST-321-SPST $304.01 15 In Stock Added to Your Shopping Cart QTY	Gas	1 to 90 FPS	±5%	150 psi	60 °C (140 °F)	NPT male	3/4" to 1 1/2"	PP, PVDF	1 A SPST Relay	12 to 36 Vdc	10'	Switch Type Selectable, NO or NC

FST-322-SPST $512.75 2 In Stock Added to Your Shopping Cart QTY	Gas	1 to 90 FPS	±5%	150 psi	60 °C (140 °F)	NPT male	3/4" to 1 1/2"	PVDF	1 A SPST Relay	12 to 36 Vdc	10'	Switch Type Selectable, NO or NC

FST-323-SPST $328.46 Available in 8 weeks Added to Your Shopping Cart QTY	Gas	1 to 90 FPS	±5%	150 psi	60 °C (140 °F)	NPT male	2" to 12"	PP, PVDF	1 A SPST Relay	12 to 36 Vdc	10'	Switch Type Selectable, NO or NC

FST-324-SPST $562.88 Available in 8 weeks Added to Your Shopping Cart QTY	Gas	1 to 90 FPS	±5%	150 psi	60 °C (140 °F)	NPT male	2" to 12"	PVDF	1 A SPST Relay	12 to 36 Vdc	10'	Switch Type Selectable, NO or NC

FSW800B-Series

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.

Product Number	Media Type	Velocity Range	Max Process Temperature	Wetted Materials	Switch Rating and Type	Wire Length	Features
FSW801B On Temporary Hold	Air	Greater than 8.2 FPS	50 °C (122 °F)	Plastic	NC	20"	Mounting Clip and Clamp

FSW802B On Temporary Hold	Air	Greater than 8.2 FPS	50 °C (122 °F)	Plastic	NO	20"	Mounting Clip and Clamp

FSW803B On Temporary Hold	Air	Greater than 8.2 FPS	50 °C (122 °F)	Plastic	NC	20"	3.15" Finger Guard

FSW804B On Temporary Hold	Air	Greater than 8.2 FPS	50 °C (122 °F)	Plastic	NO	20"	3.15" Finger Guard

FSW807B On Temporary Hold	Air	Greater than 8.2 FPS	50 °C (122 °F)	Plastic	NC	20"	4.72" Finger Guard

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FSW-430

Thermal Flow Switch

The FSW-420/30-Series monitors your relative flow rate for applications where the actual flow rate is not important. The FSW-420/30-Series is easy to install and use.

Product Number	Connection Size	Body Material	Switch Type	Compatible Media	Wire Length	Features
FSW-433 $372.13 1 In Stock Added to Your Shopping Cart QTY	12 mm (0.47 in)	Anodized Aluminum	In-line Flow	Liquids	2 m (6.5 ft)	Standard

V10-Series

The Series V10 Flotect Mini-Size Flow Switches is designed to provide inexpensive, reliable monitoring of the presence or absence of flow in a system.

Product Number	Media Type	Max Operating Pressure	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Features	Compliance	Switch Type	Body Material	Compatible Media	Connection Size
V10 $86.00 Available in 2 weeks Added to Your Shopping Cart QTY	Liquid, Gas	1000 psig (69 bar)	NPT	1/2" male NPT	301 SS, Brass, Ceramic 8	1.5 A SPST	Trimmable Vane	CE, UR, CSA	SPST, NO OR NC	Brass	Liquid, Gas	1/2 to 2" Pipe Size

V10SS $133.00 1 In Stock Added to Your Shopping Cart QTY	Liquid, Gas	2000 psig (138 bar)	NPT	1/2" male NPT	301 SS, 303 SS, Ceramic 8	1.5 A SPST	Trimmable Vane	CE, UR, CSA	SPST, NO OR NC	303 SS	Liquid, Gas	1/2 to 2" Pipe Size

V6-Series

The Series V6 Flotect® Flow Switch is surprisingly compact, and specifically engineered to monitor liquid, gas, or air flows.

Product Number	Media Type	Max Operating Pressure	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Compliance	Switch Type	Body Material	Compatible Media	Connection Size
V6EPB-B-D-LF $453.50 Available in 3 weeks Added to Your Shopping Cart QTY	Liquid, Gas	1450 psi (100 bar)	NPT	1/2" NPT	Brass, 301 SS, 302 SS, Ceramic	10 A DPDT	CE, UL, CSA	DPDT	Brass	Liquid, Gas	1/2" Pipe Size

V6EPB-B-S-LF $387.00 Available in 3 weeks Added to Your Shopping Cart QTY	Liquid, Gas	1450 psi (100 bar)	NPT	1/2" NPT	Brass, 301 SS, 302 SS, Ceramic	10 A SPDT	CE, UL, CSA	SPDT	Brass	Liquid, Gas	1/2" Pipe Size

V6EPB-S-D-LF $253.00 Available in 8 days Added to Your Shopping Cart QTY	Liquid, Gas	1450 psi (100 bar)	NPT	1/2" NPT	303 SS, 301 SS, 302 SS, Ceramic	10 A DPDT	CE, UL, CSA	DPDT	303 SS	Liquid, Gas	1/2" Pipe Size

V6EPB-S-S-LF $222.50 Available in 8 days Added to Your Shopping Cart QTY	Liquid, Gas	1450 psi (100 bar)	NPT	1/2" NPT	303 SS, 301 SS, 302 SS, Ceramic	10 A SPDT	CE, UL, CSA	SPDT	303 SS	Liquid, Gas	1/2" Pipe Size

V6EPS-S-D-LF $554.50 Available in 3 weeks Added to Your Shopping Cart QTY	Liquid, Gas	1450 psi (100 bar)	NPT	1/2" NPT	303 SS, 301 SS, 302 SS, Ceramic	10 A DPDT	CE, UL, CSA	DPDT	303 SS	Liquid, Gas	1/2" Pipe Size

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V4-Series

The Series V4 Flotect Flow Switches are rugged and reliable, ideal for automatically protecting equipment and pipeline systems against damage from reduction or loss of flow.

Product Number	Media Type	Flow Range	Max Operating Pressure	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Features	Compliance	Switch Type	Body Material	Compatible Media	Connection Size
V4-2-U $633.75 Available in 9 days Added to Your Shopping Cart QTY	Liquid, Gas	3 to 1200 GPM (11.67 TO 9083 LPM) WATER 17 TO 5500 SCFM (8 TO 4700 LPS) AIR	1000 psig (69 bar)	NPT male	1-1/2"	Brass	10 A SPDT	Field Adjustable Vane	CE, UL, CSA	SPDT	Brass	Liquid, Gas	1-1/2" to 20" (DN 40 to 500) Pipe Size

V4-2-D-U $697.75 Available in 9 days Added to Your Shopping Cart QTY	Liquid, Gas	3 to 1200 GPM (11.67 TO 9083 LPM) WATER 17 TO 5500 SCFM (8 TO 4700 LPS) AIR	1000 psig (69 bar)	NPT male	1-1/2"	Brass	10 A SPDT	Field Adjustable Vane	CE, UL, CSA	SPDT	Brass	Liquid, Gas	1-1/2" to 20" (DN 40 to 500) Pipe Size

V4-2-U-AT $766.75 Available in 9 days Added to Your Shopping Cart QTY	Liquid, Gas	3 to 1200 GPM (11.67 TO 9083 LPM) WATER 17 TO 5500 SCFM (8 TO 4700 LPS) AIR	1000 psig (69 bar)	NPT male	1-1/2"	Brass	10 A SPDT	Field Adjustable Vane	CE, UL, CSA, FM, ATEX and IECEx	SPDT	Brass	Liquid, Gas	1-1/2" to 20" (DN 40 to 500) Pipe Size

V4-SS-2-U $898.75 Available in 9 days Added to Your Shopping Cart QTY	Liquid, Gas	3 to 1200 GPM (11.67 TO 9083 LPM) WATER 17 TO 5500 SCFM (8 TO 4700 LPS) AIR	2000 psig (138 bar)	NPT male	1-1/2"	316SS	10 A SPDT	Field Adjustable Vane	CE, UL, CSA	SPDT	316SS	Liquid, Gas	1-1/2" to 20" (DN 40 to 500) Pipe Size

V4-SS-2-D-U $962.75 Available in 9 days Added to Your Shopping Cart QTY	Liquid, Gas	3 to 1200 GPM (11.67 TO 9083 LPM) WATER 17 TO 5500 SCFM (8 TO 4700 LPS) AIR	2000 psig (138 bar)	NPT male	1-1/2"	316SS	10 A DPDT	Field Adjustable Vane	CE, UL, CSA	DPDT	316SS	Liquid, Gas	1-1/2" to 20" (DN 40 to 500) Pipe Size

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FSW-140-Series

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.

Product Number	Media Type	Flow Range	Accuracy	Max Operating Pressure	Max Process Temperature	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Wire Length	Features
FSW-141 Not Available Discontinued	Liquid	0.07 to 2 GPM	±20%	125 psi	100 °C (212 °F)	NPT male	3/8"	316 SS, Polypropylene, Polyphenylene Sulfide, FKM	10 VA SPST	24"	0.07 GPM Switch Point

FST1000-Series

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%

Product Number	Media Type	Velocity Range	Accuracy	Max Process Temperature	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Supply Power	Wire Length	Features
FST1001A $409.52 Available in 3 weeks Added to Your Shopping Cart QTY	Air	0 to 5,000 FPM	±2%	93 °C (200 °F)	Compression Fitting	1/4"	304 SS	2 SPST NO Relays	15 to 24 Vdc	12"	Fixed Probe

FST1001R $466.00 Available in 4 weeks Added to Your Shopping Cart QTY	Air	0 to 5,000 FPM	±2%	93 °C (200 °F)	Compression Fitting	1/4"	304 SS	2 SPST NO Relays	15 to 24 Vdc	12"	Remote Probe

FST1002A $409.52 Available in 3 weeks Added to Your Shopping Cart QTY	Air	0 to 10,000 FPM	±2%	93 °C (200 °F)	Compression Fitting	1/4"	304 SS	2 SPST NO Relays	15 to 24 Vdc	12"	Fixed Probe

FST1002R $466.00 Available in 3 weeks Added to Your Shopping Cart QTY	Air	0 to 10,000 FPM	±2%	93 °C (200 °F)	Compression Fitting	1/4"	304 SS	2 SPST NO Relays	15 to 24 Vdc	12"	Remote Probe

FSW6000-7000-Series

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

Product Number	Media Type	Velocity Range	Accuracy	Max Operating Pressure	Max Process Temperature	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Supply Power	Features
FSW-6212 $884.34 Available in 6 weeks Added to Your Shopping Cart QTY	Liquid, Gas	Liquid 0.09 to 9.84 FPS, Gas 0.16 to 49 FPS	±10%	4,351 psi	80 °C (176 °F)	NPT male	3/4"	316 SS	5 A SPDT	85 to 240 Vac	2" Insertion Length

FSW-7111 $884.34 Available in 6 weeks Added to Your Shopping Cart QTY	Liquid, Gas	Liquid 0.09 to 9.84 FPS, Gas 0.16 to 49 FPS	±10%	4,351 psi	80 °C (176 °F)	NPT male	1/2"	316 SS	5 A SPDT	24 Vdc	1 3/8" Insertion Length

FSW-7112 $731.34 Available in 6 weeks Added to Your Shopping Cart QTY	Liquid, Gas	Liquid 0.09 to 9.84 FPS, Gas 0.16 to 49 FPS	±10%	4,351 psi	80 °C (176 °F)	NPT male	1/2"	316 SS	5 A SPDT	24 Vdc	2" Insertion Length

FSW-7113 $877.61 Available in 6 weeks Added to Your Shopping Cart QTY	Liquid, Gas	Liquid 0.09 to 9.84 FPS, Gas 0.16 to 49 FPS	±10%	4,351 psi	80 °C (176 °F)	NPT male	1/2"	316 SS	5 A SPDT	24 Vdc	3" Insertion Length

FSW9000-Series

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.

Product Number	Connection Size	Switch Type	Compatible Media	Features
FSCN-91 $680.85 Available in 6 weeks Added to Your Shopping Cart QTY	Not Applicable	Flow Switch	Liquid	24 Vdc

FSCN-92 $696.15 Available in 6 weeks Added to Your Shopping Cart QTY	Not Applicable	Flow Switch	Liquid	240 Vac

FSW-91-R $520.20 Available in 6 weeks Added to Your Shopping Cart QTY	1/2	Flow Switch	Liquid	24 Vdc

FSW-9112 $978.20 Available in 6 weeks Added to Your Shopping Cart QTY	1/2	Flow Switch	Liquid	24 Vdc

FSW-9212 $972.06 Available in 6 weeks Added to Your Shopping Cart QTY	3/4	Flow Switch	Liquid	24 Vdc Cable gland

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FST200R-Series

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.

Product Number	Media Type	Velocity Range	Accuracy	Max Operating Pressure	Max Process Temperature	Process Connection Type	Process Connection Size	Wetted Materials	Switch Rating and Type	Supply Power	Wire Length
FST-211-R $937.71 Available in 8 weeks Added to Your Shopping Cart QTY	Liquid	0.04 to 3 FPS	±5%	150 psi	60 °C (140 °F)	NPT male	3/4" to 1 1/2"	PP, PVDF	10 A SPDT	120/240 Vac 50/60 Hz	Not Applicable

FST-221-R $960.06 1 In Stock Added to Your Shopping Cart QTY	Liquid	0.04 to 3 FPS	±5%	150 psi	60 °C (140 °F)	NPT male	2" to 12"	PP, PVDF	10 A SPDT	120/240 Vac 50/60 Hz	Not Applicable

MMA-Series

The Mini-Master flowmeters are suitable for both gas and liquid applications with advanced features at a low cost.

Product Number	Media Type	Accuracy	Max Operating Pressure	Max Process Temperature	Process Connection Type	Process Connection Size	Wetted Materials	Gas Flow Range	Liquid Flow Range	Scale	Valve Included	Scale Length
MMA-2-LV $47.50 Available in 3 weeks Added to Your Shopping Cart QTY	Compatible gases and liquids	±4% FS	100 psi (6.9 bar) with compression fitting. 50 psi (3.4 bar) with tubing clamp	130°F (54°C)	male NPT	5/16"	Body Nylon 12 O-rings Buna-N (optional materials available) Float Black glass, K monel, stainless steel, tungsten carbide	0.2-1.2 SCFH AIR	None	1-10 SCFH AIR	No	3" (76.2 mm)

MMA-3-LV $47.50 Available in 3 weeks Added to Your Shopping Cart QTY	Compatible gases and liquids	±4% FS	101 psi (6.9 bar) with compression fitting. 50 psi (3.4 bar) with tubing clamp	130°F (54°C)	male NPT	5/16"	Body Nylon 12 O-rings Buna-N (optional materials available) Float Black glass, K monel, stainless steel, tungsten carbide	0.5-2.5 SCFH AIR	None	2-20 SCFH AIR	No	3" (76.2 mm)

MMA-4-LV $47.50 Available in 3 weeks Added to Your Shopping Cart QTY	Compatible gases and liquids	±4% FS	102 psi (6.9 bar) with compression fitting. 50 psi (3.4 bar) with tubing clamp	130°F (54°C)	male NPT	5/16"	Body Nylon 12 O-rings Buna-N (optional materials available) Float Black glass, K monel, stainless steel, tungsten carbide	0.5-5 SCFH AIR	None	5-50 SCFH AIR	No	3" (76.2 mm)

MMA-5-LV $47.50 Available in 3 weeks Added to Your Shopping Cart QTY	Compatible gases and liquids	±4% FS	103 psi (6.9 bar) with compression fitting. 50 psi (3.4 bar) with tubing clamp	130°F (54°C)	male NPT	5/16"	Body Nylon 12 O-rings Buna-N (optional materials available) Float Black glass, K monel, stainless steel, tungsten carbide	1-10 SCFH AIR	None	10-100 SCFH AIR	No	3" (76.2 mm)

MMA-6-LV $47.50 Available in 3 weeks Added to Your Shopping Cart QTY	Compatible gases and liquids	±4% FS	104 psi (6.9 bar) with compression fitting. 50 psi (3.4 bar) with tubing clamp	130°F (54°C)	male NPT	5/16"	Body Nylon 12 O-rings Buna-N (optional materials available) Float Black glass, K monel, stainless steel, tungsten carbide	2-20 SCFH AIR	None	20-200 SCFH AIR	No	3" (76.2 mm)

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