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Flow Switches
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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 |
|---|---|---|
|
|
Stainless Steel, Brass
|
SPDT Snap
|
|
|
Stainless Steel, Brass
|
DPDT Snap
|
|
|
316 Stainless Steel, 430 Stainless Steel
|
SPDT Snap
|
|
|
Stainless Steel
|
DPDT Snap
|
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 |
|---|---|---|---|---|---|
|
|
0.5 in
|
Up to 1000 psi
|
Stainless Steel, Brass, Ceramic
|
SPDT Snap
|
N/A
|
|
|
0.5 in
|
Up to 1450 psi
|
Brass, Ceramic, Nitrile Rubber
|
DPDT Snap
|
Brass
|
|
|
0.5 in
|
Up to 1450 psi
|
Brass, Ceramic, Nitrile Rubber
|
SPDT Snap
|
Brass
|
|
|
0.5 in
|
Up to 2000 psi
|
Stainless Steel, Ceramic
|
DPDT Snap
|
N/A
|
|
|
0.5 in
|
Up to 2000 psi
|
Stainless Steel, Ceramic
|
SPDT NO/NC, Selectable
|
N/A
|
The FSW800B-Series air-flow monitor provides a simple but reliable alternative to indicate positive or negative air flow of fans.
| Product Number | Material Construction Option | Switch Type |
|---|---|---|
|
|
80 x 80 mm Finger Guard
|
SPST NO Reed
|
|
|
Mounting Clip and Clamp
|
SPST NC Reed
|
|
|
Mounting Clip and Clamp
|
SPST NO Reed
|
|
|
80 x 80 mm Finger Guard
|
SPST NC Reed
|
|
|
120 x 120 mm Finger Guard
|
SPST NC Reed
|
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 |
|---|---|---|---|
|
|
1/2 in NPT male Conduit with Wire Leads
|
Weatherproof
|
SPDT NO/NC, Selectable
|
|
|
1/2 in NPT male Conduit with Wire Leads
|
General Purpose
|
SPDT NO/NC, Selectable
|
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.
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 |
|---|---|---|---|
|
|
1 in NPT female Conduit with Screw Terminal block
|
0 m
|
NPT Male
|
|
|
N/A
|
0 m
|
NPT Male
|
|
|
Cable Gland with Cable
|
0 m
|
NPT Male
|
|
|
N/A
|
0 m
|
BSPT Male
|
|
|
N/A
|
2 m
|
BSPT Male
|
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 |
|---|---|
|
|
0.42 CFM
|
|
|
0.05 GPM
|
|
|
0.25 GPM
|
|
|
0.5 GPM
|
|
|
1 GPM
|
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 | Process Connection Size | Process Connection Type | Volumetric Flow Rate, Max | Volumetric Flow Rate, Min |
|---|---|---|---|---|
|
|
1/2 in
|
NPT Male
|
4.7 GPM
|
4 GPM
|
|
|
1/2 in
|
NPT Female
|
1.1 GPM
|
0.9 GPM
|
|
|
3/4 in
|
NPT Female
|
2.4 GPM
|
1.8 GPM
|
|
|
1 in
|
NPT Female
|
4.4 GPM
|
3.5 GPM
|
|
|
1/2 in
|
G Thread Male
|
4.7 GPM
|
4 GPM
|
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 |
|---|---|---|---|---|---|
|
|
15 ft/s
|
2 ft/s
|
Standard
|
10 in
|
3 in
|
|
|
11.5 ft/s
|
3.3 ft/s
|
Standard
|
1 in
|
0 in
|
|
|
10.8 ft/s
|
2.7 ft/s
|
Standard
|
2.5 in
|
1.5 in
|
|
|
15 ft/s
|
2 ft/s
|
Standard
|
1 in
|
0 in
|
|
|
15 ft/s
|
2 ft/s
|
Standard
|
2.5 in
|
1.5 in
|
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 |
|---|---|
|
|
NPT Male
|
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 | Volumetric Flow Rate, Max | Volumetric Flow Rate, Min |
|---|---|---|
|
|
70 GPM
|
6 GPM
|
|
|
8 GPM
|
0.12 GPM
|
|
|
8 GPM
|
4 GPM
|
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 |
|---|---|---|
|
|
8 GPM
|
4 GPM
|
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 |
|---|---|
|
|
0.5 GPM
|
|
|
0.25 GPM
|
|
|
1 GPM
|
|
|
2 GPM
|
|
|
2.5 GPM
|
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 | Process Connection Size | Process Connection Type |
|---|---|---|---|
|
|
4 GPM
|
1 in
|
NPT Male
|
|
|
16 GPM
|
1 in
|
NPT Male
|
|
|
28 GPM
|
1 in
|
NPT Male
|
|
|
4 GPM
|
3/4 in
|
NPT Male
|
|
|
7 GPM
|
3/4 in
|
NPT Male
|
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 |
|---|---|---|---|
|
|
10 ft
|
Polypropylene, PVDF
|
1.5 in
|
|
|
10 ft
|
PVDF
|
1.5 in
|
|
|
10 ft
|
Polypropylene, PVDF
|
12 in
|
|
|
10 ft
|
PVDF
|
12 in
|
|
|
25 ft
|
Polypropylene, PVDF
|
1.5 in
|
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 |
|---|---|---|
|
|
0 GPM
|
0 GPM
|
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 | Electrical Connection | Enclosure Material | Process Connection Size | Process Connection Type |
|---|---|---|---|---|
|
|
N/A
|
Glass Filled Nylon
|
1/2 in
|
NPT Male
|
|
|
N/A
|
Glass Filled Nylon
|
3/4 in
|
NPT Male
|
|
|
N/A
|
None
|
1/2 in
|
NPT Male
|
|
|
1/2 in NPT female Conduit with Cable
|
Glass Filled Nylon
|
1/2 in
|
NPT Male
|
|
|
1/2 in NPT female Conduit with Cable
|
Glass Filled Nylon
|
3/4 in
|
NPT Male
|
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 | Enclosure Material | Pipe Size, Max |
|---|---|---|
|
|
Polypropylene, PVDF
|
1.5 in
|
|
|
PVDF
|
1.5 in
|
|
|
Polypropylene, PVDF
|
12 in
|
|
|
PVDF
|
12 in
|
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 |
|---|---|
|
|
0.25 GPM
|
|
|
0.5 GPM
|
|
|
1 GPM
|
|
|
1.5 GPM
|
|
|
2 GPM
|
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 | Insertion Length | Supply Voltage |
|---|---|---|
|
|
2 in
|
85 to 240 Vac
|
|
|
1.375 in
|
24 Vdc
|
|
|
2 in
|
24 Vdc
|
|
|
3 in
|
24 Vdc
|
Flow Switches
Switches support flow measurement, switching, control, or installation work...