Flow switches

74 companies | 266 products
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thermal flow switch / for water / for oil / rugged
thermal flow switch
T-Easic® FTS series

... Low downtimes thanks to low-maintenance system Clever dry-run protection in pumps The T-Easic® FTS thermal flow switch measures flow and temperature in accordance with the calorimetric ...

thermal flow switch / for liquids / digital
thermal flow switch
FSD-3

... circuits Control of filter units Dry run protection in pumps Special features of the flow switch Reliable flow monitoring of liquid media Switching and analogue outputs for flow, ...

thermal dispersion flow switch / for liquids / insertion
thermal dispersion flow switch
TX Series

ABB's standard flow/level/temperature switches are the most durable instruments available. They are ideally suited for detecting the increase or decrease in flow or level of virtually all liquids, gases and slurries.

Doppler ultrasonic flow switch / for water / for oil / for chemicals
Doppler ultrasonic flow switch
DFS 5.1

... Box. DFS 5.1 Doppler Flow SwitchFlow Control from the Outside of Metal or Plastic Pipes •5 amp DPDT Control Relay •Adjustable ON/OFF Set-Points •Hi or Lo Flow ...

liquid flow switch / for gas / digital / with LED display
liquid flow switch
SN, SR, SF, SP series

... of ceramics, high-grade stainless steel and titanium Teach button allows easy scaling of the measuring range Flow and switch point are indicated by LEDs directly on the unit Versions in AC or DCV

air flow switch / compact / with indicator / analog output
air flow switch
SL0, SL5 series

Reliable airflow monitoring up to 10 m/s Clearly visible LED display Signal output via relay Versions in AC or DCV Particularly space-saving design

liquid flow switch / for gas / digital / maintenance-free
liquid flow switch
DWM series

Electromagnetic flow controller for flow monitoring of conductive media • 2-wire flow switch for liquids, pastes, slurries (≥20μS/cm); also for hygienic use and immersed ...

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KROHNE Messtechnik
mechanical flow switch / for liquids / flange / with indicator
mechanical flow switch
DW 181

Mechanical flow controller for clean liquids • Flow indication without power supply • Up to 30,000 l/h or 132.09 GPM (US) • Thread: G3⁄4…2, 3⁄4…2 NPT • -40…+300°C / -40…+570°F; max. 40 barg / 580 ...

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KROHNE Messtechnik
mechanical flow switch / for liquids / high-temperature / precision
mechanical flow switch
DW 182

Mechanical flow controller for clean liquids • Flow indication without power supply • Up to 30,000 l/h or 132.09 GPM (US) • Flange: DN15…65 / 1⁄2…21⁄2", max. PN40 / ASME Cl 300 • -40…+300°C / -40…+570°F The ...

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KROHNE Messtechnik
air flow switch / reed / in-line / process
air flow switch
FSW800 series

The FSW800 Series air-flow monitor offers a simple and reliable alternative to indicate negative or positive air flow of fans. A bi-directional switch will activate an electrical contact ...

thermal flow switch / for liquids / in-line
thermal flow switch
FS-600 series

The Gems FS-600 provide a tough no-moving-parts flow switch that uses thermal dispersion technology and no filtration. The sensor is a solid-state technology unit that can work with fluids that are either ...

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GEMS SENSORS & CONTROLS
piston flow switch / for gas / stainless steel / brass
piston flow switch
FS-380 series

... 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 makes the FS-380 ideal for ...

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GEMS SENSORS & CONTROLS
piston flow switch / for liquids / stainless steel / in-line
piston flow switch
FS-480 series

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 push more fluid ...

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GEMS SENSORS & CONTROLS
microwave flow switch / for bulk materials / non-invasive
microwave flow switch
max. 15 psi, max. 1.5 m | Ramsey™ DTR 131

The Ramsey™ DTR 131 Flow/No-Flow Detector monitors flow/no-flow conditions of bulk solids found in ducts, pipelines, and air slides, and at transfer points of conveyor ...

microwave flow switch / for bulk materials / non-invasive
microwave flow switch
max. 15 psi, max. 1.5 m | Ramsey™ GTR 130

The Ramsey™ GTR 130 Flow/No-Flow Detector monitors flow/no-flow conditions of bulk solids found in ducts, pipelines, and air slides, and at transfer points of conveyor ...

thermal flow switch / for liquids / stainless steel / aluminum
thermal flow switch
CF12

The CF12 series of thermal flow switches is designed to monitor flow status of liquids and gases and can also be used to detect level. A chain of 8 LED’s gives the user a visual indication of the flow ...

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Sitron
thermal dispersion flow switch / for liquids / for gas / stainless steel
thermal dispersion flow switch
CF12 series

... Thermal Dispersion Flow Switch in 1995. Thermal Dispersion technology provides liquid and gas flow detection with no moving parts and a much greater working life-span when compared to ...

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Sitron
thermal dispersion flow switch / for liquids / for gas / compact
thermal dispersion flow switch
CF12

... dispersion flow switches. It is designed to monitor the flow status of liquids and gases. A visual indication of the flow status of the switch comes in the form of a ...

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Sitron
optical flow switch / for liquids / rugged / with indicator
optical flow switch
bfs-10-o

... 10-N Series of Flow Switch, manufactured by Barksdale, is specifically designed for measuring and monitoring of liquids in cooling system and pumps. It has a capacity of 0.005 to 150 l/min, and has a ...

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Barksdale
optical flow switch / for liquids / rugged / with indicator
optical flow switch
BFS-10-N-AIR, BFS-10-O-AIR

... Barksdale, are flow switches that feature an optical display. They operate on a temperature of up to 160 °C and with a pressure of up to 350 bar. These devices offers an adjustable set point with a rugged design. In addition, ...

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Barksdale
variable-area flow switch / for liquids / rugged / with indicator
variable-area flow switch
BFS-20-O, BFS-20-OL

The BFS-20-O, BFS-20-OL is flow switch with flow indicator, manufactured by Barksdale. The BFS-20-O has 0.1...0.8l/min to 30.0... 90.0l/min measuring ranges. The BFS-20-OL contains 0.5...1.7l/min ...

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Barksdale
variable-area flow switch / reed / for liquids / in-line
variable-area flow switch
DSV-3

The KOBOLD flow meters and switches model DSV are focused around the rule of the well-known float kind flow meters with the exception of the ordinary decreasing measuring tube. This abolish the ordinary ...

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KOBOLD INSTRUMENTATION
thermal flow switch / for liquids / in-line
thermal flow switch
DVK

The DVK Series manufactured by M-ZERT is a Calorimetric flow meter, monitor and totalizer model. This device is used for measuring and monitoring the small and average flows from airs in hoses and piping. ...

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KOBOLD INSTRUMENTATION
paddle flow switch / for liquids / stainless steel
paddle flow switch
DWU

... DWU from KOBOLD is high-quality paddle bellows flow indicator and monitor that is mainly used for liquids. This device operates according to the the diaphragm plate standard. It is covered up in the flow ...

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KOBOLD INSTRUMENTATION
variable-area flow switch / for liquids / with indicator / stainless steel
variable-area flow switch
IF...VE series

IF…VE – Adjustable visual and electric flow switches Flow rate0,1…60 LPM H2O Materials Anodized aluminium – Nickel-plated brass – 304 stainless steel Tube: Pirex glass Sealing: NBR (standard) - ...

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ELETTROTEC s.r.l.
piston flow switch / for liquids / stainless steel / brass
piston flow switch
IF…V2E

IF…V2E – Adjustable visual and electric flow switches Flow rate0,1…60 LPM H2O Materials Anodized aliminium – Nickel-plated brass – 304 stainless steel Tube: Pirex glass Sealing: NBR (standard) - ...

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ELETTROTEC s.r.l.
piston flow switch / for liquids / stainless steel / brass
piston flow switch
IF...E series

IF…E – Adjustable electric flow switches Flow rate0,1…140 LPM H2O Materials Anodized aluminium – Nickel-plated brass – 304 stainless steel Sealing: NBR (standard) – FKM - EPDM Max pressure 150 ...

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ELETTROTEC s.r.l.
microwave flow switch / Doppler ultrasonic / for bulk materials / compact
microwave flow switch
FlowJam S

CONTINUOUS MATERIAL FLOW DETECTION WITH TREND MONITORING Microwave sensor for contactless monitoring of material flows with trend monitoring FEATURES & BENEFITS • Absolutely insensitive ...

thermal dispersion flow switch / for liquids / insertion / process
thermal dispersion flow switch
TD1, TD2 series

... air, then decreases when cooling occurs because of media change. When the flow rate increase, it decreases the temperature difference further. The set point adjusts for the switch to alarm at the temperature ...

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MAGNETROL International
thermal dispersion flow switch / for liquids / insertion / process
thermal dispersion flow switch
TG1, TG2 series

... increase in the flow rate further decreases the temperature difference. The set point is adjusted for the switch to alarm at the desired temperature difference. Once the set point is reached, the relay ...

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MAGNETROL International
paddle flow switch / for liquids / for gas / stainless steel
paddle flow switch
F10

... mechanical flow switches from Magnetrol®. It is suitable for use on gas or liquid flow applications in 2 inch or larger line sizes. The series is part of the reliable Mangetrol flow switches ...

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MAGNETROL International
microwave flow switch / for solids / with indicator / for the food industry
microwave flow switch
Flow Detect 2000

The single-piece flow detector is a flow/no flow detector that, unlike the two-piece flow detector, houses both the remote sensor and control console in a single NEMA ...

microwave flow switch / for bulk materials / in-line / for the food industry
microwave flow switch
Flow Detect 1000

... during operations. The system promotes efficient and continuous operations by keeping users informed of the solid or power materials flow and the provides alerts when there is a change i the flow ...

thermal flow switch / for liquids / for gas / compact
thermal flow switch
Thermo-Flo™ AX1X series

... alarm brings attention to low-flow alarm conditions. Available in Polypropylene-Ryton® and PVDF, the short flow sensor is used in pipe or ducting from 1/2” to 1 1/2”, and the long flow ...

piston flow switch / for liquids / for lubrication systems
piston flow switch

... to critical friction points. In order to obtain a correct movement of the piston in both directions you must mount a micro-switch on the adjusting turret of the feeder and another on the opposite side. These micro-switches ...

paddle flow switch / for water / in-line
paddle flow switch
VHS

... permanent magnet is attached. Above this magnet is a reed contact, located outside the flow of fluid. A second magnet creates the force necessary to reset the switch back to the no flow ...

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SIKA
paddle flow switch / for water / in-line
paddle flow switch
VKS

... permanent magnet is attached. Above this magnet is a reed contact, located outside the flow of fluid. A second magnet creates the force necessary to reset the switch back to the no flow ...

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SIKA
paddle flow switch / for liquids / in-line
paddle flow switch
VH0

... permanent magnet is attached. Above this magnet is a reed contact, located outside the flow of fluid. A second magnet creates the force necessary to reset the switch back to the no flow ...

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SIKA
thermal flow switch / for liquids / stainless steel / for noxious environments
thermal flow switch
SDTN series

... materials such as titanium, hastelloy, bronze or PTFE. The flow controllers are reliable units for use in the chemical industry, automation industry or wherever flows have to be monitored ...

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EGE
thermal flow switch / for liquids / compact / stainless steel
thermal flow switch
SC 440 series

The SC 440 series is available in an all stainless steel design and have been proven for more than 20 years in industrial applications. They are characterized by their small size and ruggedness and are available in a ...

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EGE
thermal flow switch / for liquids / stainless steel / for noxious environments
thermal flow switch
SCS 440 series

Series SCS 440 - Flow controller DC 24 V Robust stainless steel housing Plug-in installation Easy configuration of the switching points Can be used universally with an adapter

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EGE
variable-area flow switch / for liquids / aluminum / threaded
variable-area flow switch
Flussostati-FLU/P

Flowswitch for liquids BSP threads Custom stairs Until 2 adjustable electrical contacts The Flow Switch FLUP have high visibility on each side and a clear reading of the scale. Thanks ...

piston flow switch / for liquids / in-line
piston flow switch
FF-GR

... reproducible ●Insensitive to dirt Characteristics The volume flow raises a piston (fitted with a magnet) out from a valve seat against a spring force. The piston actuates a hermetically separated reed ...

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GHM Messtechnik GmbH
piston flow switch / for water / in-line / explosion-proof
piston flow switch
VD-GR

... ●Short installation length CharacteristicsThe volume flow raises a piston (fitted with a magnet) out from a valve seat against a spring force. The piston actuates a hermetically separated reed switch.

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GHM Messtechnik GmbH
piston flow switch / for water / in-line
piston flow switch
TZ1-GR

... display ●Simple adjustment by means of drag indicator ●Insensitive to dirt ●Short installation length Characteristics The volume flow raises a piston out from a valve seat against a spring force. The piston actuates the ...

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GHM Messtechnik GmbH
mechanical flow switch / for liquids / for gas / in-line
mechanical flow switch
AD series

Flow switch for liquids and gases. Easy installation and available for all flow directions. Without contact between the fluid and the reed detection systems, indicators ...

mechanical flow switch / paddle / for liquids / stainless steel
mechanical flow switch
VH series

Flow detection by means of paddle system, for liquids. Easy installation and available for horizontal and vertical pipes with upwards flow. Without contact between the fluid and the reed ...

paddle flow switch / for liquids / stainless steel / threaded
paddle flow switch
FS20

... paddle flow switch for liquids, with a size of 1/2" to 1". Its material is a wetted parts 316 stainless steel. The FS20 has a temperature Limit of -20ºC~150ºC, and a pressure limit of 7.0 MPa (70 kg/cm2). ...

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Golden Mountain Enterprise
paddle flow switch / for liquids / reed switch / stainless steel
paddle flow switch
FS25

The FS25 model assembled by New flow, is a paddle flow switch that operates with a 1A carrying current. It is equipped with a 1/2"NPT-F wire conduit that is enclosed on an aluminum alloy ...

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Golden Mountain Enterprise
paddle flow switch / for liquids / stainless steel / brass
paddle flow switch
FS30R

The FS30R Series, manufactured by New Flow, is a paddle flow switch designed to monitor the flow of a liquid. It has a protection class of IP 65, pressure capacity of ...

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Golden Mountain Enterprise
acoustic flow switch / for solids / analog output / maintenance-free
acoustic flow switch
Pulsar Guard 2010 Series

The 2010 Series, manufactured by Pulsar®, is a maintenance free, non-invasive monitor that is structured borne acoustic signal detector that has a containing face that causes impact and frictional contact. Human ears cannot detect signals ...