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Flow Switch

27 Products
Compact Flotect® Flow Switch – Weatherproof, NEMA 4, Fits 1/2 to 2 in Pipes

The Compact Flotect® Flow Switch is a weatherproof, NEMA 4 device designed for 1/2 to 2-inch pipes, ensuring reliable flow monitoring for liquids, gases, and air.

Product Number Pipe Size, Max Proof Pressure Sensor Material Switch Type Tee Material
V6EPB-B-D-1-B
C$555.39
Available
in 3 weeks
0.5 in
Up to 250 psi
Stainless Steel, Brass, Ceramic
DPDT Snap
Brass
V6EPB-B-S-LF
C$470.00
37  In Stock
0.5 in
Up to 1450 psi
Brass, Ceramic, Nitrile Rubber
SPDT Snap
Brass
V6EPB-B-D-2-B
C$576.05
8  In Stock
0.75 in
Up to 250 psi
Stainless Steel, Brass, Ceramic
DPDT Snap
Brass
V6EPB-B-D-3-B
C$649.18
21  In Stock
1 in
Up to 250 psi
Stainless Steel, Brass, Ceramic
DPDT Snap
Brass
V6EPB-B-D-4-B
C$720.46
Available
in 3 weeks
1.25 in
Up to 250 psi
Stainless Steel, Brass, Ceramic
DPDT Snap
Brass
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Flotect® Flow Switches: Weatherproof, Explosion-Proof, Low Flow Protection

The Flotect® Flow Switches provide reliable low flow protection in weatherproof and explosion-proof designs. Ideal for safeguarding pumps and systems in demanding environments.

Product Number Sensor Material Switch Type
V4-SS-2-U
C$1,450.61
33  In Stock
316 Stainless Steel, 430 Stainless Steel
SPDT Snap
V4-2-U
C$1,025.97
33  In Stock
Stainless Steel, Brass
SPDT Snap
V4-2-D-U
C$1,128.60
5  In Stock
Stainless Steel, Brass
DPDT Snap
V4-SS-2-D-U
C$1,553.24
14  In Stock
Stainless Steel
DPDT Snap
Mini Flow Switches for 1/2 to 2 in Pipelines, Brass or SS Body

The Series V10 Mini Flow Switches monitor flow in 1/2 to 2-inch pipelines. Available in brass or stainless steel, they ensure reliable performance for various applications.

Product Number Proof Pressure
V10SS
C$227.11
53  In Stock
Up to 2000 psi
V10
C$146.98
404  In Stock
Up to 1000 psi
Flow Switch, LED Indicators, Adjustable Flow Rate, NO/NC Outputs

The Series TDFS2 Thermal Dispersion Flow Switch features adjustable flow rates and LED indicators for easy monitoring. Ideal for boilers, chillers, and liquid transfer systems.

Product Number Pipe Size, Max Process Connection Type
TDFS2-1-P-06
C$525.29
862  In Stock
1.5 in
NPT Male
TDFS2-2-C-06
C$895.69
94  In Stock
10 in
NPT Male
TDFS2-2-P-06-BSPT
C$895.69
Available
in 2 weeks
10 in
BSPT Male
Vane Flow Switch for 1-6 in Pipes, 150 psig, 212 °F - Chemical & HVAC Use

The Vane Flow Switch is designed for 1-6 inch pipes, ideal for chemical and HVAC applications. It ensures equipment protection with excellent durability and chemical resistance.

Product Number Electrical Connection Enclosure Type Switch Type
V8
C$167.64
Available
in 3 weeks
1/2 in NPT male Conduit with Wire Leads
General Purpose
SPDT NO/NC, Selectable
V8-WP
C$240.77
21  In Stock
1/2 in NPT male Conduit with Wire Leads
Weatherproof
SPDT NO/NC, Selectable
Flotect® Flow Switch for Liquids, NEMA 4X, Ideal for Boilers & Pumps

The Flotect® Flow Switch for Liquids is a reliable NEMA 4X device designed for boilers and pumps, ensuring safe operation by detecting flow conditions in various applications.

Product Number Process Connection Type
V7-WBS-30N
C$198.66
15  In Stock
NPT Male
Vane Flow Switch for Boilers & Heaters, Adjustable 1-8 in Pipes

The Series FS-2 Vane Flow Switch is designed for boilers and heaters, adjustable for 1-8" pipes. Ideal for flow proving in various applications, featuring durable aluminum housing.

Product Number Electrical Connection Lead Length Process Connection Type
FS-2-BSPT
C$131.08
31  In Stock
N/A
0 m
BSPT Male
FS-2
C$131.08
Available
in 21 weeks
N/A
0 m
NPT Male
FS-2-W8
C$131.08
Available
in 20 weeks
Cable Gland with Cable
0 m
NPT Male
FS-2-CND
C$131.08
139  In Stock
1 in NPT female Conduit with Screw Terminal block
0 m
NPT Male
FS-2-BSPT-2M
C$149.16
1168  In Stock
N/A
2 m
BSPT Male
TDS Thermal Flow Switch for Non-Coating Liquids, Adjustable SPDT Output

The TDS Thermal Flow Switch detects non-coating liquids, featuring adjustable SPDT output and LED indicators for flow status. Ideal for pump and process protection.

Product Number Pipe Size, Max Sensor Material
TDS112
C$682.04
6  In Stock
1.5 in
Polypropylene, Polyphenylene Sulfide
TDS122
C$715.31
130  In Stock
16 in
Polypropylene, Polyphenylene Sulfide
TDS212
C$1,083.79
Available
in 4 weeks
1.5 in
Polyvinylidene Fluoride
TDS222
C$956.41
3  In Stock
16 in
Polyvinylidene Fluoride
Polypropylene Flow Switches – 3/8\" or 1/4\" NPT for Water & Cooling Systems

The Series P3 Polypropylene Flow Switches offer versatile inlet options for water and cooling systems. Ideal for pure water equipment and heat exchangers.

Product Number Actuation Set Point, Max Port 2 Type
P3-31
C$192.39
2  In Stock
0.25 GPM
NPT Male
P3-32
C$192.39
10  In Stock
0.5 GPM
NPT Male
P3-33
C$195.69
Available
in 10 weeks
1 GPM
NPT Male
P3-34
C$192.79
Available
in 10 weeks
1.5 GPM
NPT Male
P3-35
C$192.79
Available
in 10 weeks
2 GPM
NPT Male
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Duct-Mounted Pressure Sensor for Air/Gas Flow; Easy Install, 60\" Ducts

The AFG Flow Grid is an easy-to-install duct-mounted pressure sensor for air and gas flow. Suitable for ducts up to 60", it offers reliable monitoring and control.

Product Number Tube Length
AFG-1
C$897.67
9  In Stock
27 in
AFG-2
C$1,180.21
16  In Stock
59.8 in
Piston Flow Switch for Air/Water, 0.05-1 GPM, SPST Reed, FDA Compliant

The P2 Flow Switch features a compact piston design for air and pure water applications, with FDA compliant materials, ideal for monitoring filter life and cooling systems.

Product Number Actuation Set Point, Max
P2-11
C$234.50
Available
in 10 weeks
0.05 GPM
P2-12
C$234.50
Available
in 10 weeks
0.25 GPM
P2-13
C$234.50
Available
in 10 weeks
0.5 GPM
P2-14
C$137.61
10  In Stock
1 GPM
P2-15
C$234.50
872  In Stock
0.42 CFM
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FS Series Flowmeters with Alarm & Visual Display for Various Applications

Flowmeter with Flow Limit Switch offers visual flow rate indication and an adjustable flow alarm. Good for chemical processing, pump testing, process control, and drain lines.

Product Number Flow Rate, Max Weight
FS10410
C$715.64
Available
in 3 weeks
4 GPM
0.55 lb
FS11610
C$787.64
1  In Stock
16 GPM
0.55 lb
FS12810
C$799.85
Available
in 3 weeks
28 GPM
0.55 lb
FS20400
C$942.35
Available
in 2 weeks
4 GPM
0.9 lb
FS20700
C$945.32
Available
in 4 weeks
7 GPM
1.9 lb
Globe Valve Flow Switches ± 1% Repeatability, Adjustable for Liquids

The Series GVS Globe Valve Flow Switches ensure precise flow detection for liquids with 1% repeatability and adjustable settings, ideal for lubrication and cooling applications.

Product Number Actuation Set Point, Max
GVS-111
C$821.24
Available
in 10 weeks
6 GPM
GVS-112
C$821.24
Available
in 10 weeks
15 GPM
GVS-113
C$821.24
Available
in 10 weeks
8 GPM
Brass High Pressure Flow Switches, 0.25-2.0 GPM, Industrial Use

The Brass High Pressure Flow Switches are designed for industrial use, managing liquid flow from 0.25 to 2.0 GPM. Ideal for cleaning and lubrication systems.

Product Number Actuation Set Point, Max
P8-11
C$381.48
Available
in 10 weeks
0.25 GPM
P8-12
C$388.48
Available
in 10 weeks
0.5 GPM
P8-13
C$382.54
Available
in 10 weeks
1 GPM
P8-14
C$382.54
Available
in 10 weeks
1.5 GPM
P8-15
C$382.54
Available
in 10 weeks
2 GPM
Globe Flow Switch for Water/Oil – ± 1% Repeatability – Easy Adjustment

The Globe Flow Switch ensures precise flow detection in water and oil, featuring easy adjustments and durable, non-corrosive materials for reliable performance.

Product Number Actuation Set Point, Max
G9-22
C$311.55
Available
in 10 weeks
8 GPM
G9-23
C$1,189.06
Available
in 10 weeks
14 GPM
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 Cable Length Enclosure Material Pipe Size, Max
FST-211-SPST
C$422.88
4  In Stock
10 ft
Polypropylene, PVDF
1.5 in
FST-212-SPST
C$733.83
8  In Stock
10 ft
PVDF
1.5 in
FST-221-SPST
C$442.69
10  In Stock
10 ft
Polypropylene, PVDF
12 in
FST-222-SPST
C$754.84
Available
in 8 weeks
10 ft
PVDF
12 in
FST-211-SPST-25 FT
C$509.77
Available
in 8 weeks
25 ft
Polypropylene, PVDF
1.5 in
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 Volumetric Flow Rate, Max Volumetric Flow Rate, Min
FSW-25
C$582.98
28  In Stock
0 GPM
0 GPM
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 Linear Flow Rate, Max Linear Flow Rate, Min Material Construction Option Pipe Size, Max Pipe Size, Min
FSW-42A
C$946.19
12  In Stock
15 ft/s
2 ft/s
Standard
10 in
3 in
FSW-50
C$484.57
1  In Stock
11.5 ft/s
3.3 ft/s
Standard
1 in
0 in
FSW-51
C$494.22
5  In Stock
10.8 ft/s
2.7 ft/s
Standard
2.5 in
1.5 in
FSW-40A
C$895.63
4  In Stock
15 ft/s
2 ft/s
Standard
1 in
0 in
FSW-41A
C$946.19
4  In Stock
15 ft/s
2 ft/s
Standard
2.5 in
1.5 in
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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.

Product Number Volumetric Flow Rate, Max Volumetric Flow Rate, Min
FSW-160
C$330.38
5  In Stock
8 GPM
4 GPM
3/4 in 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 Volumetric Flow Rate, Max
FS-100-025
C$141.11
27  In Stock
0.25 GPM
FS-100-050
C$149.09
Available
in 6 weeks
0.5 GPM
FS-100-100
C$141.11
41  In Stock
1 GPM
FS-100-200
C$141.11
4  In Stock
2 GPM
FS-100-250
C$149.09
43  In Stock
2.5 GPM
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Flow Switch

Flow switches are vital for industrial, commercial, and lab applications. DwyerOmega provides d...
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