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Flow Switches

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price

$50-$199.99 (11)
$200-$499.99 (15)
$500-$999.99 (16)
$1,000-$9,999.99 (12)

In Stock

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Process Temperature, Min

0 °C (6)
5 °F (1)
14 °F (1)
-4 °F (2)
-20 °C (3)
-40 °C (1)

Process Temperature, Max

48.9 °C (1)
60 °C (3)
68.3 °C (1)
80 °C (4)
93 °C (1)
110 °C (1)

48.9 °C (1)
60 °C (3)
68.3 °C (1)
80 °C (4)
93 °C (1)
110 °C (1)
121 °C (1)
140 °F (2)
163 °F (1)
212 °F (1)
220 °F (1)

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Brand

Dwyer (21)
Omega (16)
FCI (4)

Configurable

configurable

Category

Flow Switches (30)
Flow Switches (30)
Air Flow Switches (5)
Flow Switches (5)
Counters & Rate Meters (2)
Flow Rate Meters & Totalizers (2)

Flow Switches (30)
Flow Switches (30)
Air Flow Switches (5)
Flow Switches (5)
Counters & Rate Meters (2)
Flow Rate Meters & Totalizers (2)
Flow Switches (2)
Flow Switches (1)
Pressure Switches (1)
Level Controllers (1)
Flow Switches (1)
Mass Flow Meters (1)
Flow Switches (1)
Ultrasonic Flow Meters (1)
Flow Switches (1)

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Media Compatibility

Liquids (13)
Clean dry air / inert gas (11)
Clean process / cooling water (10)
Organic solvents (7)
Oils / lubricants (7)
Compatible Liquids (6)

Liquids (13)
Clean dry air / inert gas (11)
Clean process / cooling water (10)
Organic solvents (7)
Oils / lubricants (7)
Compatible Liquids (6)
Water (5)
HVAC / room air (5)
Inert / non-reactive gases (5)
Nitrogen (3)
Compatible Gases (2)
Oils (2)
Alcohols (2)
Argon (2)
Solvents (1)
Water-based fluids (1)
Dry bulk solids / powders (1)
Corrosive chemicals / acids / bases (1)
Hydraulic fluids (1)

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Switch Type

SPDT NO/NC (17)
Selectable (16)
SPST NO (6)
SPDT Snap (4)
DPDT Snap (2)
SPST NO/NC (2)

SPDT NO/NC (17)
Selectable (16)
SPST NO (6)
SPDT Snap (4)
DPDT Snap (2)
SPST NO/NC (2)
Compact Analyzer Flow Switch / Flow Monitor (1)
SPST NC Reed (1)
SPDT (1)
NPN (1)
NO or NC (Selectable) (1)
(2) SPDT NO/NC (1)
PNP (1)
SPST NO Reed (1)
SPST (1)
SPDT NO (1)
SPST Reed (1)
Air/Gas Flow Switch (1)
Flow / Level Switch (1)
Liquid Flow Switch (1)
NPN NC (1)
Heavy Duty Fast Response Air / Gas Flow Switch (1)
NPN NO (1)
Adjustable 6" Proble Liquid Flow Switch / Flow Monitor (1)
Inline Liquid Flow switch (1)

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Enclosure Ratings

IP65 (10)
NEMA Type 4X (6)
NEMA 4 (5)
Weatherproof (5)
IP66 (4)
Hazardous Location Rated (4)

IP65 (10)
NEMA Type 4X (6)
NEMA 4 (5)
Weatherproof (5)
IP66 (4)
Hazardous Location Rated (4)
NEMA Type 4 (2)
NEMA Type 1 (2)
Explosion-Proof (1)
IP10 (1)
IP20 (1)
IP64 (1)
IP67 (1)
General purpose (1)

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Electrical Connection

Pigtail Leads (8)
1/2 in NPT female Conduit with Screw Terminal block (5)
Cable (3)
Screw Terminal (3)
3/4 in NPT male Conduit with Screw Terminal block (3)
1/2 in NPS female Conduit with Screw Terminal block (3)

Pigtail Leads (8)
1/2 in NPT female Conduit with Screw Terminal block (5)
Cable (3)
Screw Terminal (3)
3/4 in NPT male Conduit with Screw Terminal block (3)
1/2 in NPS female Conduit with Screw Terminal block (3)
Cable Gland with Cable (3)
N/A (2)
1/2 in NPT female Conduit with Cable (2)
1/2 in NPT male Conduit with Wire Leads (2)
Cable Gland for 1/4 in Cable with Screw Terminal block (2)
3/4 in NPT female Conduit with Screw Terminal block (1)
Cable Gland with Screw Terminal block (1)
M12 4 pin Male (1)
1 in NPT female Conduit with Screw Terminal block (1)
DIN 43650 A (solenoid valve) (1)
3/4 in NPT male Conduit with Cable (1)
M12 Male (1)

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Process Connection Size

3/4 in (14)
1 in (10)
1/2 in (9)
1 1/2 in (3)
1 1/4 in (2)
1/4 in (2)

3/4 in (14)
1 in (10)
1/2 in (9)
1 1/2 in (3)
1 1/4 in (2)
1/4 in (2)
2 in (1)

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sku_FM

true (5)

Operating Temperature, Max

60 °C (5)
140 °F (5)
180 °F (3)
70 °C (3)
200 °F (2)
225 °F (2)

60 °C (5)
140 °F (5)
180 °F (3)
70 °C (3)
200 °F (2)
225 °F (2)
122 °F (2)
275 °F (2)
82 °C (2)
50 °C (2)
212 °F (2)
158 °F (1)
66 °C (1)
300 °F (1)
93 °C (1)
220 °F (1)
80 °C (1)
230 °F (1)
150 °C (1)
250 °F (1)

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Switch Rating

0.17A@120Vac,0.08A@240Vac,0.13A@120Vdc,0.06A@240Vdc (7)
10 A (5)
15 A (3)
1 A (2)
400 mA (2)
5 A @125/250 Vac (1)

0.17A@120Vac,0.08A@240Vac,0.13A@120Vdc,0.06A@240Vdc (7)
10 A (5)
15 A (3)
1 A (2)
400 mA (2)
5 A @125/250 Vac (1)
200 Vdc/30 W (1)
0.5 A @ 120 Vac, 1.5 A @ 24 Vdc, 0.001 A @ 200 Vdc (1)
10 A @ 125, 250, 480 Vac; 1/8 hp @ 125 Vac, 1/4 hp @ 250 Vac (1)
60 Vac/60 Vdc @ 1 A (1)
3 A @ 30 Vdc/250 Vac (1)
10 A @ 125/250 Vac (1)
170 mA (1)
50 VA (1)
5 A @ 125/250 Vac; 5 A, 3 A @ 30 Vdc (1)
15 A @ 125, 250, or 480 Vac (1)
500 mA (1)
4 A (1)
5 (8) A @ 250 Vac (1)
5 A (1)
80 mA (1)
0.08 A @ 120 Vac (1)
10 A, 3 A @ 250 Vac (1)
26 VA (1)

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compliance

RoHS3 (20)
CE (16)

Materials

Polypropylene (7)
Stainless Steel (6)
Brass (4)
Aluminum (3)
Bronze (2)
Plastic (2)

Polypropylene (7)
Stainless Steel (6)
Brass (4)
Aluminum (3)
Bronze (2)
Plastic (2)
PVDF (2)
Nylon (1)
PBT (1)
304 Stainless Steel (1)
PTFE (1)
Polyphenylene (1)
FKM (1)
316 Stainless Steel (1)
Glass-Filled Nylon (1)
ABS (1)

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Operating Temperature, Min

-40 °C (6)
-40 °F (5)
-20 °F (4)
0 °C (3)
-20 °C (3)
-4 °F (3)

-40 °C (6)
-40 °F (5)
-20 °F (4)
0 °C (3)
-20 °C (3)
-4 °F (3)
0 °F (2)
32 °F (2)
4 °C (2)
5 °F (2)
-30 °C (1)
-29 °F (1)

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Process Connection Type

NPT Male (21)
NPT Female (5)
BSPT Male (2)
PT (1)
Compression Fitting (1)
Tri-Grip Fitting (1)

NPT Male (21)
NPT Female (5)
BSPT Male (2)
PT (1)
Compression Fitting (1)
Tri-Grip Fitting (1)
G Thread Male (1)
BSPT Female (1)

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Pipe Size, Max

1.5 in (6)
0 in (3)
2 in (3)
12 in (3)
1 in (2)
4 in (2)

1.5 in (6)
0 in (3)
2 in (3)
12 in (3)
1 in (2)
4 in (2)
10 in (2)
0.75 in (1)
60 in (1)
0.5 in (1)
16 in (1)
1.25 in (1)
8 in (1)
6 in (1)
48 in (1)
2.5 in (1)

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Sensor Material

316L Stainless Steel (4)
Stainless Steel, Brass, Ceramic (3)
Brass, Polysulfone, Stainless Steel, Fluoroelastomer (2)
Stainless Steel, Ceramic (2)
Polyphenylene Sulfide, Stainless Steel, Inconel, Ceramic (1)
Bronze, Acetal; Stainless Steel, Fluoroelastomer, Ceramic (1)

316L Stainless Steel (4)
Stainless Steel, Brass, Ceramic (3)
Brass, Polysulfone, Stainless Steel, Fluoroelastomer (2)
Stainless Steel, Ceramic (2)
Polyphenylene Sulfide, Stainless Steel, Inconel, Ceramic (1)
Bronze, Acetal; Stainless Steel, Fluoroelastomer, Ceramic (1)
Polypropylene, PPS composite, Stainless Steel, Fluorocarbon (1)
Brass, Ceramic, Nitrile Rubber (1)
316 Stainless steel (1)
Polyvinylidene Fluoride (1)
316 Stainless Steel, Fluoroelastomer, Epoxy (1)
Brass; PPS composite, Stainless Steel, Fluorocarbon (1)
Bronze, TFE, Stainless Steel, Fluoroelastomer, ceramic (1)
316L Stainless Steel with Hastelloy-C22 thermowells (1)
Stainless Steel, Brass, Bronze (1)
Stainless Steel (1)
Stainless Steel, Brass (1)
Polypropylene, Polyphenylene Sulfide (1)
316 Stainless Steel, 430 Stainless Steel (1)
PPE, PS, Epoxy, 316 Stainless Steel (1)
Brass, Stainless Steel, Fluoroelastomer (1)

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Supply Voltage

24 Vdc (4)
120/240 Vac (4)
12 to 36 Vdc (3)
120 to 230 Vac, 24 Vdc (3)
85 to 240 Vac (2)
N/A (1)

24 Vdc (4)
120/240 Vac (4)
12 to 36 Vdc (3)
120 to 230 Vac, 24 Vdc (3)
85 to 240 Vac (2)
N/A (1)
125 / 250 Vac (1)
85 to 240 Vac, 24 Vdc (1)
9 to 24 Vdc (1)
120 Vac (1)
15 to 24 Vdc (1)
200 Vdc (1)
220 Vac (1)
80 to 250 Vac/Vdc (1)
12 Vdc (1)
21.5 to 30 Vdc (1)

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Pipe Size, Min

2 in (5)
0.75 in (4)
1 in (4)
0 in (4)
0.5 in (4)
1.5 in (2)

2 in (5)
0.75 in (4)
1 in (4)
0 in (4)
0.5 in (4)
1.5 in (2)
3 in (1)
10 in (1)

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Actuation Set Point, Max

0.5 GPM (4)
0.25 GPM (3)
1 GPM (3)
2 GPM (2)
1.5 GPM (2)
8 GPM (2)

0.5 GPM (4)
0.25 GPM (3)
1 GPM (3)
2 GPM (2)
1.5 GPM (2)
8 GPM (2)
20 GPM (1)
0.42 CFM (1)
75 SCFM (1)
14 GPM (1)
6 GPM (1)
2.5 CFM (1)
1 CFM (1)
0.05 GPM (1)
15 GPM (1)

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Added to Your Shopping Cart

FLCN101

Flow/No Flow Single Sensor Controller With Strobe Alert

For operator alert to low flow conditions an amber lens distributes the high intensity strobe light in a pattern which calls immediate attention to alarm conditions.

View Specs

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Flow Switches

Flow Switches support automation, monitoring, switching, indication, safety, motion, or process control tasks in industrial, HVAC, laboratory, facility, and OEM systems. Products span liquid flow switches, gas flow switches, paddle flow switches, thermal dispersion switches, relay flow switches, and process flow detection devices.

Applications include pump protection, cooling water proof, HVAC flow verification, chemical lines, gas flow alarms, heater protection, and process interlocks. Products represented in the source data include Omega Engineering and Dwyer Instruments.

Applications include: