Electro-Mechanical Switch Volumetric Liquid Flow Switches
Description
Electro-mechanical switch volumetric liquid flow switches are devices designed to monitor and control the flow of liquid within a system. They detect the presence or absence of liquid flow and can trigger an action, such as turning a pump on or off, based on the flow status. These switches are crucial for maintaining the desired flow rate and ensuring the proper functioning of fluid systems.
Working Principle
Electro-mechanical switch volumetric liquid flow switches operate by sensing the flow of liquid through a valve contained within the switch. A mechanical component, such as a paddle or vane, is displaced by the flow of liquid, which in turn activates a switch. This switch can then send a signal to control devices like pumps or valves, adjusting the flow as needed. The utility of these switches lies in their ability to provide real-time monitoring and control of liquid flow, ensuring system efficiency and preventing potential issues such as leaks or blockages.
Applications
Volumetric liquid flow switches are used in a variety of applications. For instance, in water systems, they are often made of materials like brass or bronze to resist corrosion and rust. They are also employed in oil and gas refinery water treatment processes, where they help in pump protection and valve leak detection by monitoring flow characteristics such as volume and pressure .
Advantages over other Materials - Metals
When compared to other materials, metals like brass and bronze used in volumetric liquid flow switches offer significant advantages. These metals are resistant to corrosion and rust, making them ideal for water systems where exposure to moisture is constant. Additionally, they provide durability and reliability in harsh environments, ensuring long-term performance without frequent replacements .
Limitations
Electro-mechanical switches have certain limitations, including a limited contact life cycle and a relatively large size. They may also have a slower response time compared to solid-state switches, which can be a disadvantage in applications requiring rapid switching .
Considerations
When selecting electro-mechanical switch volumetric liquid flow switches, several factors should be considered. Initial costs can vary depending on the materials and design complexity. Operating expenses may include energy consumption and maintenance costs, which can be influenced by the switch's durability and reliability. Accuracy is crucial for ensuring precise flow control, and regular maintenance may be required to prevent wear and tear of mechanical components. Replacement costs should also be factored in, especially if the switch is used in a demanding environment where frequent replacements might be necessary .
from Fluid Components Intl. (FCI)
The FLT93C insertion and inline type FlexSwitches for sanitary flow, level and temperature monitoring represents the first true technological breakthrough in thermal technology in over a decade. This product is specifically designed for sanitary 3A process applications. FCI is the only thermal... [See More]
- Switch Type: Electro-mechanical
- Mounting: Insertion
- Meter Technology: Thermal
- End Fittings: In-line Flanged
from Fluid Components Intl. (FCI)
The FLT93L inline type FlexSwitch for flow and temperature monitoring represents the first true technological breakthrough in thermal technology in over a decade. FCI is the only thermal manufacturer providing temperature compensation to ensure set point accuracy for process temperatures that vary... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.75 to 1.00
- Meter Technology: Thermal
- Mounting: In-line
from Fluid Components Intl. (FCI)
The FLT93B BASIC insertion type FlexSwitch for flow and temperature monitoring represents the first true technological breakthrough in thermal technology in over a decade. FCI is the only thermal manufacturer providing temperature compensation to ensure set point accuracy for process temperatures... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.75
- Meter Technology: Thermal
- Mounting: Insertion
from Fluid Components Intl. (FCI)
The FLT93F insertion type FlexSwitch for flow and temperature monitoring represents the first true technological breakthrough in thermal technology in over a decade. This product was designed for heavy industrial environments including high temperature and high pressure. FCI is the only thermal... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25 to 1.00
- Meter Technology: Thermal
- Mounting: Insertion
from Fluid Components Intl. (FCI)
The FLT93S insertion type FlexSwitch for flow and temperature monitoring represents the first true technological breakthrough in thermal technology in over a decade. This product was designed for heavy industrial environments including high temperature and high pressure. FCI is the only thermal... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.75 to 1.00
- Meter Technology: Thermal
- Mounting: Insertion
from Orange Research, Inc.
Differential Pressure Flowmeters. Our new, fully integrated differential pressure flowmeters are compact and rugged, with directly connected, large throated, non-clogging flow nozzles. This unique design reduces size and cost while minimizing errors and leaks. Simply select the flow rate and... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.50 to 2.00
- Meter Technology: Flow Nozzle
- Mounting: In-line
from Suttner America Company
Reed switch encased in protective vacuum sealed glass tube eliminating exposure to corrosive cleaning chemicals.. Mounts further downstream in pumping system than traditional vacuum switches, thereby minimizing potential leak points that can cause vacuum switches to close.. Easy reed switch... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.38
- End Fittings: In-line Threaded
from OMEGA Engineering, Inc.
The FPR100 Series sensors are designed with a one-piece composite rotor, sturdy unibody construction, ceramic shafts, and superior sealing, to provide superior durability and economy. The FPR110 Series, with bright orange spinning rotors provide visual indication of flow only. The FPR120 Series... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.25 to 0.75
- End Fittings: In-line Threaded
from Malema Sensors
The M-100X Series is an extremely sensitive flow switch. This has been engineered to monitor vital sample flow parameters for instrumentation in process control and inert blanket gases. It is used as an auxiliary alarm monitor for flow meters and is ideally suited for applications when installed on... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.12 to 0.25
- End Fittings: In-line Threaded
from KOBOLD Instruments, Inc.
Product Features. Control of Very Small Liquid or Gas Flows. Wetted Parts - SS 1.4305, Borosilicate Glass, FKM. Proximity Switch or Reed Contact. Vertical Connection for In-Line Mounting. Flow switch types KSR and SVN operate on the same principle as a float-type flow indicator. Provided that the... [See More]
- Switch Type: Electro-mechanical
- Meter Type: Volumetric Flow Meter
- Mounting: In-line
- Process Media Type: Liquid; Gas
from Brooks Instrument
Features. Wide range of flow ratings. Operating temperature range 33 to 125 °F (1 °C to 52 °C). Pressure ratings up to 500 psig / 34 bar. Two accuracy levels to choose from: 2% or 1% Full Scale. Optional high and low-flow reed switch or inductive alarm, also for safe use in explosive... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Meter Technology: Rotameter; Variable Area
- End Fittings: In-line Threaded
from Solutions with Innovation, LLC
The F001 is a precision machined, piston type flow switch that provides unsurpassed durability and reliability. Its all brass or 316 stainless steel body is rated to 1000 psig with its internal piston the only moving part. Supplied with ¼" NPT inlet and outlet ports, the F001 can be factory... [See More]
- Switch Type: Electro-mechanical
- End Fittings: In-line Threaded
- Meter Technology: Piston
- Meter Type: Volumetric Flow Meter
from General Pump
The General Pump flow switch is designed to operate in response to a low volume, low pressure flow and still allow for a high pump output flow. The system will provide reliable switching with as little as .75 GPM flow and 18 PSI from the city water supply and will also allow pump output flow up to... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.38
- End Fittings: In-line Threaded
from ERDCO Engineering Corporation
In addition to the performance benefits of the 3400 Series flow rate meter, the 3500 Series Armor-Flo ™ includes switching capabilities. Adjustable flow switches provide positive indication of flow/no flow conditions or may be positioned to establish process limits. In either application the... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.50 to 12.00
- Meter Technology: Rotameter; Variable Area
- Mounting: Insertion
from Gems Sensors & Controls
Flow Rate Settings: 0.75 GPM to 14.0 GPM. Port Size: 3/4". Primary Construction Material: Bronze. Setting Type: Adjustable. Provides accurate flow detection in water and oil with 1% repeatability. Flow settings on the adjustable version can be easily changed without disassembly. A shuttle by-pass... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.75
- End Fittings: In-line Threaded
from Clark Solutions
Use the 7000/8000 series flow meters for measuring the flow rate of liquids, gases, compressed air and steam in closed pipes. We also make indicating flow switches and flow transmitters for process indication and control. Meters feature a large easy to read analog dial with 270 degree pointer... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25 to 8.00
- Meter Technology: Orifice Plates
- Mounting: In-line
from Proteus Industries Inc.
Proteus 8000 Series instruments provide accurate, rugged, reliable and cost-effective measurement of heat transfer fluids and other liquids from -40 to 90 °C. Customized versions can be adapted for use with liquid temperatures to 150 °C and above. A built-in relay can be used to sound an... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Meter Technology: Paddlewheel
- End Fittings: In-line Threaded
from Sitron
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 status of the switch. There are two red LEDs that indicate whether or not the unit has... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.25 to 0.50
- End Fittings: In-line Threaded
from Orange Research, Inc.
Fixed Set-Point Flow Switches. Our 30000 Series fixed set-point flow switches have factory-preset settings. The many features and the adjustability found on our other models have been designed out. Their compact size and basic profile results in low-cost switches that can be mounted where space is... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.25
- End Fittings: In-line Threaded
from Suttner America Company
Vertical mounting position and free floating brass magnet configuration. [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.38
- End Fittings: In-line Threaded
from Malema Sensors
The M-200X Series flow switches are engineered and field tested for sensing increasing and decreasing flow rates of gases or liquids. Pressure variation effects are minimal. This series features such versatility, economy, and accuracy that they can be used in virtually any application requiring... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.38 to 0.75
- End Fittings: In-line Threaded
from Brooks Instrument
Reliable and affordable, MT3600 metal tube variable area flow meters satisfy the operational and reliability requirements for multiple industrial purge meter applications, such as metering coolants, pump seal fluids, lubricants under pressure and opaque fluids. Featuring high-temperature and... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Meter Technology: Rotameter; Variable Area
- End Fittings: In-line Threaded; ANSI 150# RF
from Solutions with Innovation, LLC
The F002 is a precision machined, piston type flow switch that provides unsurpassed durability and reliability. Its all brass or 316 stainless steel body is rated to 1000 psig with its internal piston the only moving part. Supplied with ¼" NPT inlet and outlet ports and a ½" NPTF... [See More]
- Switch Type: Electro-mechanical
- End Fittings: In-line Threaded
- Meter Technology: Piston
- Meter Type: Volumetric Flow Meter
from General Pump
Flow Switch, 3 amp, 120 Volts 96"; Cord, No Pilot Feature (5 amp Max. Carrying). The General Pump flow switch is designed to operate in response to a low volume, low pressure flow and still allow for a high pump output flow. The system will provide reliable switching with as little as .75 GPM flow... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.38
- End Fittings: In-line Threaded
from Gems Sensors & Controls
Flow Rate Settings: Liquids - Infinite Adjustment between 0.5 GPM and 20.0 GPM; Air/Gases - See chart. Port Size: 1/2" NPT. Primary Construction Material: Brass or Stainless Steel. Setting Type: Adjustable. These externally adjustable switches are ideal for protecting machine tools from coolant flow... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.50
- Meter Technology: Piston
- Mounting: In-line
from Clark Solutions
The model DS15 flow meters work according to the proven variable area principle. The float is moved upward in a tapered tube by the flowing medium and its upper edge indicates the flow rate by means of a scale affixed on to the measuring tube. By using a float with an integrated magnet, optional... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Meter Technology: Rotameter; Variable Area
- End Fittings: In-line Threaded
from Proteus Industries Inc.
Standard 500 Series metering flow switches are calibrated with water at approximately 25 °C / 77 °F. The use of fluids other than water may affect the accuracy of measurement due to differences in viscosity. Proteus ’ world-class calibration capability allows us to deliver instruments... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Meter Technology: Paddlewheel
- End Fittings: In-line Threaded
from Orange Research, Inc.
Fixed-Orifice Flowmeters. Our flowmeters are designed for those applications where a rotameter is not appropriate. Consider the inherent problems of rotameters--they are difficult to read, especially with dirty or opaque fluids, have low pressure ratings and allow vertical orientation only. Now... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Meter Technology: Fixed Orifice
- End Fittings: In-line Threaded
from Suttner America Company
Water-flow activated switch to control the on and off of the burner. Although the most popular application is high pressure washing, the flow switch is suitable for other appliances, including carpet cleaning equipment, steam boilers and other types of pumping systems. [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.38
- End Fittings: In-line Threaded
from Malema Sensors
The operating principle is based on a free floating magnetic piston which responds only to the motion of fluids within the line, not to static or system pressures. In the presence of fluid flow, controlled movement of the piston actuates an external hermetically sealed reed switch. This switch can... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25
- Meter Technology: Piston
- Mounting: In-line
from Brooks Instrument
Need reliable, durable flow measurement in high-pressure, high-temperature or hazardous process settings? The MT3750 metal tube variable area flow meter from Brooks Instrument is your hard-working answer. Constructed from high-strength steel, the MT3750 Series VA flow meter features a compact design... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Meter Technology: Rotameter; Variable Area
- End Fittings: Compression; In-line Threaded
from Solutions with Innovation, LLC
The series F003A is an adjustable flow switch installed in line with the fluid movement to monitor flow rates from .75 to 4.0 and 2.0 to 8.0 GPM. The compact and durable design allows for ease of installation and the removable bonnet assembly provides easy access for cleaning without removal from... [See More]
- Switch Type: Electro-mechanical
- End Fittings: In-line Threaded
- Meter Technology: Spring-Loaded Shuttle Magnet
- Meter Type: Volumetric Flow Meter
from General Pump
Flow Switch, 3 amp, 230 Volts, 48? Cord, Gauge Port [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.25 to 0.38
- End Fittings: In-line Threaded
from Gems Sensors & Controls
Flow Rate Settings: Liquids 0.5 GPM to 5 GPM. Port Size: 1/2" NPT. Primary Construction Material: Polypropylene. Setting Type: Fixed. These slim, inline switches reduce pressure drop to a minimum. They incorporate a unique, dual-diameter, internal bore and piston configuration to minimize flow... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.50
- Meter Technology: Piston
- Mounting: In-line
from Clark Solutions
The flow meter and switch model DS06 works according to a modified variable area principle. The float is guided in a cylindrical measuring tube by means of a slotted nozzle. The flowing medium moves the float in the flow direction. An externally mounted pointer indicator is magnetically coupled to... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25 to 1.25
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
from Orange Research, Inc.
PVC Filter & Flow Monitor Instruments. Measure filter or flow performance with our unique instruments with PVC wetted parts. Save thousands of dollars with low-cost solutions. Whether you need local indication, a switch, or a transmitter for remote use, we have those solutions. Filter Monitors. [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Meter Technology: Variable Area
- End Fittings: In-line Threaded
from Malema Sensors
The M-50 Series low flow, flow switches monitor increasing and decreasing flow. They utilize a single moving part which responds to fluid (liquid or gas) flowing within a system. These switches are suitable for a wide range of applications in industrial, biomedical, and OEM products. The flow... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.12 to 0.25
- Meter Technology: Piston
- Mounting: In-line
from General Pump
Flow Switch, 1 amp, 250 Volts, 48"; Cord, Flow Through Design. The flow switch detects the presence of water flow on the inside of the system by means of a piston which is shifted by the water itself. When the piston is moved by the water flow, the magnets contained internally stimulate a reed... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.38
- End Fittings: In-line Threaded
from Gems Sensors & Controls
Flow Rate Settings: 0.5 GPM to 100.0 GPM. Port Size: 1" NPT to 2" NPT. Primary Construction Material: Bronze or Stainless Steel. Setting Type: Fixed. The FS-200 Series offers accurate flow detection, with 1% repeatability, over a broad range of flow settings and port sizes. Its durable construction... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 1.00 to 2.00
- End Fittings: In-line Threaded
from Clark Solutions
The flow meter and switch model DS02 works according to a modified variable area principle. The float is guided in a cylindrical measuring tube by means of a spring. The flowing medium moves the float in the flow direction. A Reed contact is mounted outside the meter in a sealed housing. When the... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25 to 1.00
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
from Orange Research, Inc.
Variable-Area Flowmeters. Our flowmeters are designed for those applications where a rotameter is not appropriate. Consider the inherent problems of rotameters--they are difficult to read, especially with dirty or opaque fluids, have low pressure ratings and allow vertical orientation only. Now... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Meter Technology: Variable Area
- End Fittings: In-line Threaded
from Malema Sensors
The operating principle is based on a free floating magnetic piston which responds only to the motion of fluids within the line, not to static or system pressures. In the presence of fluid flow, controlled movement of the piston actuates an external hermetically sealed reed switch. This switch can... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25 to 0.38
- Meter Technology: Piston
- Mounting: In-line
from General Pump
Flow Switch, 3 amp, 230 Volts, 36? Cord (Mount in Vertical Position Only) [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.38
- End Fittings: In-line Threaded
from Gems Sensors & Controls
Flow Rate Settings: 0.1 GPM to 1.5 GPM. Port Size: 9/16" - 18 UNF. Primary Construction Material: Ryton ®. Setting Type: Fixed. More robust porting hubs offer better structural integrity. Molded cable grommet offers improved moisture protection. The FS-4 Series makes flow protection economical... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.56
- Meter Technology: Piston
- Mounting: In-line
from Clark Solutions
The flow meter and switch model DS01 works according to a modified variable area principle. The float is guided in a cylindrical measuring glass by means of a spring. The flowing medium moves the float in the flow direction. The upper edge of the float shows the momentary flow via a burnt-in scale... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25 to 1.00
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
from General Pump
Flow Switch, 3 amp, 120 Volts 96"; Cord with Pilot Feature (5 amp Max. Carrying). The General Pump flow switch is designed to operate in response to a low volume, low pressure flow and still allow for a high pump output flow. The system will provide reliable switching with as little as .75 GPM flow... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.38
- End Fittings: In-line Threaded
from Gems Sensors & Controls
Flow Rate Settings: 0.75 GPM to 10.0 GPM. Port Size: 3/4". Primary Construction Material: Bronze. Setting Type: Fixed. Provides accurate flow detection in water and oil with 1% repeatability. Flow settings on the adjustable version can be easily changed without disassembly. A shuttle by-pass vane... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.75
- End Fittings: In-line Threaded
from Clark Solutions
Series 1100 flow switches are manufactured to exacting standards and provide accurate flow detection for most applications. Product inspection involves calibrated tools and gages traceable to National Bureau of Standards. The flow swtches are broadly used in machine tools, HVAC equipment and any... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 1.38
- End Fittings: In-line Threaded
from General Pump
TMT Inline Flow Switch, 5 Amp Microswitch, Minimum Activation Flow, 48"; 18 AWG Lead, No Spring, Uses Magnets For All Movements. Features. Micro-switch technology eliminates reed switch. Activates with as little as 0.5 gpm flow. Minimal pressure drop up to 12 gpm flow. Mount in vertical position [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.38
- End Fittings: In-line Threaded
from Gems Sensors & Controls
Flow Rate Settings: 0.5 GPM or 2.0 GPM. Port Size: 3/4" or 1" IPS. Primary Construction Material: Clear PVC. Setting Type: Fixed. Designed for low cost flow/no-flow monitoring. This series is available with a clear, transparent PVC housing which is ideal for use where visual flow confirmation is... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.50 to 1.00
- End Fittings: In-line Threaded
from Clark Solutions
Series 1800 flow switches are manufactured to exacting standards and provide accurate flow detection for most applications. Product inspection involves calibrated tools and gages traceable to National Bureau of Standards. Switch function involves magnet equipped PVC shuttle that is displaced at the... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 1.00
- End Fittings: Socket Weld / Union
from General Pump
Flow Switch, 5 Amp, 250 Volts, New High Flow Flow Switch, 4 GPM minimum activation, 12? 18 AWG LEAD. Features. Micro-switch technology eliminates reed switch. Activation below 4.0 gpm. Minimal pressure drop up to 25 gpm flow. Mount in vertical position [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.50
- End Fittings: In-line Threaded
from Gems Sensors & Controls
Flow Rate Settings: 0.25 GPM to 5.0 GPM. Port Size: 3/4" NPT. Primary Construction Material: Polypropylene. Setting Type: Fixed. The FS-500 offers low cost flow monitoring with a variety of switch actuation points and low pressure drop. All wetted parts are polypropylene or stainless steel, making... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.75
- End Fittings: In-line Threaded
from Clark Solutions
Series 2100 flow switches are manufactured to exacting standards and provide accurate flow detection for most applications. Product inspection involves calibrated tools and gages traceable to National Bureau of Standards. The switches function as a magnet embedded in a spring loaded polysulfone... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.56
- End Fittings: In-line Threaded
from General Pump
Flow Switch, 5 Amp, 250 Volts, New High Flow Flow Switch, 4 GPM minimum activation, 12? 18 AWG LEAD, with Weatherpack connector. Features. Micro-switch technology eliminates reed switch. Activation below 4.0 gpm. Minimal pressure drop up to 25 gpm flow. Mount in vertical position. 3-way black... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.50
- End Fittings: In-line Threaded
from Gems Sensors & Controls
Flow Rate Settings: Liquids - 0.1 GPM to 1.5 GPM; Air/Gases - see chart. Port Size: 1/4" NPT. Primary Construction Material: Brass or Stainless Steel. Setting Type: Fixed. This series of precision-calibrated switches provide reliable and consistent performance; repeatability is within 1%. FS-925... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25
- Meter Technology: Piston
- Mounting: In-line
from Clark Solutions
Series 2600 flow switches are manufactured to exacting standards and provide accurate flow detection for most applications. Product inspection involves calibrated tools and gages traceable to National Bureau of Standards. Switch function involves magnet equipped PVC shuttle that is displaced at the... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 2.00
- End Fittings: Socket Weld / Union
from General Pump
TMT Inline Flow Switch, 5 Amp Microswitch, Minimum Activation Flow, 48"; 18 AWG Lead, No Spring, Uses Magnets For All Movements. Features. Micro-switch technology eliminates reed switch. Activates with 1.5 gpm flow. Stainless Steel shuttle. Minimal pressure drop up to 12 gpm flow. Can be mounted in... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.38
- End Fittings: In-line Threaded
from Gems Sensors & Controls
Flow Rate Settings: Liquids - 50-300 cc/min.; Air/Gases - See Chart at Bottom of Page. Port Size: 1/4" NPT. Primary Construction Material: Brass or Stainless Steel. Setting Type: Fixed. These switches provide accurate detection of excessive or insufficient flow rates in such applications as:... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25
- Meter Technology: Piston
- Mounting: In-line
from Clark Solutions
The flow meter and switch model DS03 works according to a modified variable area principle. The float is guided in a cylindrical measuring glass. The upper edge of the float shows the momentary flow via a burnt-in scale on the measuring glass. A Reed contact is mounted outside the meter in a sealed... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25 to 1.25
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
from General Pump
TMT Inline Flow Switch, 5 Amp Microswitch, Minimum Activation Flow, 48"; 18 AWG Lead, No Spring, Uses Magnets For All Movements. Features. Micro-switch technology eliminates reed switch. Activates with 1.25 gpm flow. Stainless Steel shuttle. Minimal pressure drop up to 12 gpm flow. Can be mounted in... [See More]
- Switch Type: Electro-mechanical
- Mounting: In-line
- Pipe Diameter: 0.38
- End Fittings: In-line Threaded
from Gems Sensors & Controls
Flow Rate Settings: 0.10 GPM to 1.50 GPM. Port Size: 1/4" NPT. Primary Construction Material: Brass, Stainless Steel. Setting Type: Fixed. Measuring only 1" x 2-3/4" (25 mm-70 mm), these compact switches are ideal for use where space is at a premium. Designed for use with water and oil, these... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25
- Meter Technology: Piston
- Mounting: In-line
from Clark Solutions
The flow meter and switch model DS05 works according to a modified variable area principle. The float is guided in a cylindrical measuring glass by means of a spring. The flowing medium moves the float in the flow direction. The upper edge of the float shows the momentary flow via a burnt-in scale... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25 to 1.25
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
from Gems Sensors & Controls
Flow Rate Settings: 0.25 GPM to 2.00 GPM. Port Size: Multiple. Primary Construction Material: Brass or Stainless Steel. Setting Type: Fixed. These rugged inline flow switches use 100 micron filtration and are less susceptible to clogging than other high-pressure inline flow switches. The one-piece... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.38 to 0.50
- Meter Technology: Piston
- Mounting: In-line
from Clark Solutions
The flow meter and switch model DS04 works according to a modified variable area principle. The float is guided in a cylindrical measuring tube by means of a slotted nozzle. The flowing medium moves the float in the flow direction. An externally mounted pointer indicator is magnetically coupled to... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25 to 1.25
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
from Gems Sensors & Controls
Low Pressure Drop Design. Flow Rate Settings: 0.25 GPM to 2.00 GPM. Port Size: 3/8" NPT Male and 1/4" Quick Disconnect (QDC) Male. Primary Construction Material: Polypropylene. Setting Type: Fixed. This rugged inline flow switch offers the same superior performance and resistance to clogging as its... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25 to 2.75
- Meter Technology: Piston
- Mounting: In-line
from Clark Solutions
The flow meter and switch model DS08 works according to a modified variable area principle. The float is guided in a cylindrical measuring tube by means of a spring. The flowing medium moves the float in the flow direction. An externally mounted pointer indicator is magnetically coupled to the float... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.50 to 1.00
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
from Gems Sensors & Controls
Engineered for Positive Liquid Flow Detection at Pressures to 2000 psig (137.9 bar). Unique, Patented Cam Design Assures Low Pressure Drop and Does not Require Bellows, Seals, or Mechanical Linkages. Minimum In-Line Restriction; Paddle Pivots to Move Out of Liquid Path with Increasing Flow. Pipe... [See More]
- Switch Type: Electro-mechanical
- Mounting: Insertion
- Pipe Diameter: 0.50 to 1.00
- End Fittings: In-line Threaded
from Clark Solutions
The flow meter and switch model DS08 works according to a modified variable area principle. The float is guided in a cylindrical measuring tube by means of a spring. The flowing medium moves the float in the flow direction. An externally mounted pointer indicator is magnetically coupled to the float... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25 to 1.00
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
from Gems Sensors & Controls
Flow Rate Settings: 0.1 GPM to 1.0 GPM. Port Size: 1/4" NPT. Primary Construction Material: Brass. Setting Type: Fixed. A unique, patented piston design assures accuracy within 20% over a full range of viscosities - from 40 to 1000 SSU. Ideal for use in applications where liquids of different... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.25
- Meter Technology: Piston
- Mounting: In-line
from Clark Solutions
The flow meter and switch model DS07 works according to a modified variable area principle. The float is guided in a cylindrical measuring glass by means of a spring. The flowing medium moves the float in the flow direction. The upper edge of the float shows the momentary flow via a burnt-in scale... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.50 to 1.00
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
from Gems Sensors & Controls
Flow Rate Settings: 0.50 GPM to 3.00 GPM. Port Size: 1/2" NPT, 3/4" NPT, 1/2" Tube Compression Fitting. Primary Construction Material: 316 Stainless Steel. Setting Type: Fixed. The FS-480 large-body inline flow switch delivers ample flow rates with minimal pressure drop. 25% larger than its FS-380... [See More]
- Switch Type: Electro-mechanical
- Pipe Diameter: 0.38 to 0.50
- Meter Technology: Piston
- Mounting: In-line