Single Pole (SP) Volumetric Liquid Flow Switches
Description
Single Pole (SP) Volumetric Liquid Flow Switches are devices designed to monitor and control the flow of liquid within a system. They are used to detect the presence or absence of flow and can trigger an action based on the flow status, such as activating an alarm or shutting down a pump.
Working Principle
Single Pole (SP) Volumetric Liquid Flow Switches operate by detecting changes in the flow of liquid through a system. These switches can be configured to be normally open (NO) or normally closed (NC), meaning they can either allow or interrupt the flow of electricity based on the flow status. The switch is activated when the flow reaches a predetermined setpoint, which can be adjusted according to the specific requirements of the application. This functionality is crucial for maintaining system integrity and preventing damage due to conditions like dry running or excessive flow.
Applications
Single Pole (SP) Volumetric Liquid Flow Switches are used in a variety of applications. For example, they are commonly employed in water systems where they can be made from materials like brass or bronze to resist corrosion. They are also used in cooling towers to protect against fluid delivery pump failures by triggering alarms or shutting down pumps when flow conditions are not met .
Advantages over other Materials - Metals
Plastic materials used in volumetric liquid flow switches offer several advantages over metals. They are lightweight, extremely durable, and resistant to rust, making them suitable for applications where metal corrosion could be a concern. Additionally, plastics are not prone to freezing or expanding in very hot conditions, which can be beneficial in certain environments .
Limitations
One limitation of Single Pole (SP) Volumetric Liquid Flow Switches is their sensitivity to wear and corrosion, particularly in mechanical flow switches like paddle switches. This can affect their long-term reliability and accuracy. Additionally, ultrasonic flow switches, while having no moving parts, may experience reduced accuracy at low flow rates and can be affected by pitting or fouling of the pipe .
Considerations
When selecting Single Pole (SP) Volumetric Liquid Flow Switches, several factors should be considered. Initial costs can vary depending on the materials and technology used. Operating expenses may be influenced by the durability and maintenance requirements of the switch. For instance, solid-state switches, while more expensive initially, may offer lower maintenance costs due to the absence of moving parts. Durability and accuracy are also critical, as these factors will impact the switch's performance and lifespan. Replacement and maintenance costs should be evaluated, particularly for mechanical switches that may require more frequent servicing due to wear and tear .
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]
- Poles: Single Pole
- Mounting: In-line
- Pipe Diameter: 0.25
- End Fittings: In-line Threaded
from Shanghai Yuanben Magnetoelectric Tech. Co., Ltd.
Switching Voltage: 100Vac, 220Vac. Switching Current: 1.0 Amax. Switch Connections: SPST-NO (Normally Open)/SPST-NC (Normally Closed). Set Point Tolerance: 10 ％(max.). Setting Accuracy: ±10 ％. Range of Flow Rate: 0.55~15L/min. Operation Temperature: -10~80 °C. Operation... [See More]
- Poles: Single Pole
- Process Media Type: Liquid
- Meter Type: Volumetric Flow Meter
- Operating Pressure: 116
from OMEGA Engineering, Inc.
FL-X Series variable-area flowrate indicators utilize fluid movement to actuate a swinging vane, which drives the scale pointer and triggers the signal switch. The corrosion-resistant construction includes no breakable tubes, and a display that is unaffected by the opacity of the fluid. These... [See More]
- Poles: Single Pole
- Pipe Diameter: 0.75
- Meter Technology: Variable Area
- Mounting: In-line
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]
- Poles: Single Pole
- Mounting: In-line
- Meter Technology: Rotameter; Variable Area
- 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]
- Poles: Single Pole
- Pipe Diameter: 0.50 to 12.00
- Meter Technology: Rotameter; Variable Area
- Mounting: Insertion
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]
- Poles: Single Pole
- Mounting: In-line
- Pipe Diameter: 0.25 to 0.50
- 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]
- Poles: Single Pole
- Pipe Diameter: 0.25 to 8.00
- Meter Technology: Orifice Plates
- Mounting: In-line
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]
- Poles: Single Pole
- Meter Type: Volumetric Flow Meter
- Mounting: In-line
- Process Media Type: Liquid; Gas
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]
- Poles: Single Pole
- Mounting: In-line
- Pipe Diameter: 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]
- Poles: Single Pole
- Mounting: In-line
- Pipe Diameter: 0.12 to 0.25
- 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]
- Poles: Single Pole
- End Fittings: In-line Threaded
- Meter Technology: Piston
- Meter Type: Volumetric Flow Meter
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]
- Poles: Single Pole
- Mounting: In-line
- Meter Technology: Fixed Orifice
- End Fittings: In-line Threaded
from Shanghai Yuanben Magnetoelectric Tech. Co., Ltd.
Switching Voltage: 100Vac,220Vac. Switching Current: 1.0 Amax. Switch Power Rating: 70 V A. Switch Connections: SPST-NO (Normally Open)/SPST-NC (Normally Closed). Set Point Tolerance: 10 ％(max.). Setting Accuracy: ±10 ％. Range of Flow Rate: 0.15~2L/min. Operation Temperature:... [See More]
- Poles: Single Pole
- Process Media Type: Liquid
- Meter Type: Volumetric Flow Meter
- Operating Pressure: 435
from OMEGA Engineering, Inc.
OMEGA ® in-line flowmeters offer high accuracy flow rate indication for oil or water and the ability to either control the flowrate or alarm on high or low flowrates. These units feature an SPDT switch which can be triggered at any point along the flow range. [See More]
- Poles: Single Pole
- Mounting: In-line
- Pipe Diameter: 0.50 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]
- Poles: Single Pole; Double Pole
- Mounting: In-line
- Meter Technology: Rotameter; Variable Area
- End Fittings: In-line Threaded; ANSI 150# RF
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]
- Poles: Single Pole
- Pipe Diameter: 0.25 to 1.25
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
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]
- Poles: Single Pole
- Pipe Diameter: 0.50
- Meter Technology: Piston
- Mounting: In-line
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]
- Poles: Single Pole
- Pipe Diameter: 0.25
- Meter Technology: Piston
- Mounting: In-line
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]
- Poles: Single Pole
- End Fittings: In-line Threaded
- Meter Technology: Piston
- Meter Type: Volumetric Flow Meter
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]
- Poles: Single Pole
- Mounting: In-line
- Meter Technology: Variable Area
- End Fittings: In-line Threaded
from Shanghai Yuanben Magnetoelectric Tech. Co., Ltd.
Switching Voltage: 100Vac, 220Vac. Switching Current: 1.0 Amax. Switch Power Rating: 70 V A. Switch Connections: SPST-NO (Normally Open)/SPST-NC (Normally Closed). Set Point Tolerance: 10 ％ (max.). Setting Accuracy: ±10 ％. Range of Flow Rate: 0.95~15L/min. Operation Temperature:... [See More]
- Poles: Single Pole
- Process Media Type: Liquid
- Meter Type: Volumetric Flow Meter
- Operating Pressure: 435
from OMEGA Engineering, Inc.
The FSW-30A flow switch is supplied with six orifices to provide 6 overlapping flow ranges from 0.12 to 8.0 GPM for water. The FSW-31 is supplied with 3 different drag discs to provide 3 overlapping ranges from 6 to 70 GPM for water. The orifices and drag discs can be changed while the switch is... [See More]
- Poles: Single Pole; Double Pole
- Mounting: In-line
- Pipe Diameter: 0.50 to 1.00
- 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]
- Poles: Single Pole
- Pipe Diameter: 0.25 to 1.00
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
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]
- Poles: Single Pole
- Pipe Diameter: 0.50
- Meter Technology: Piston
- Mounting: In-line
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]
- Poles: Single Pole
- Pipe Diameter: 0.12 to 0.25
- Meter Technology: Piston
- Mounting: In-line
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]
- Poles: Single Pole
- End Fittings: In-line Threaded
- Meter Technology: Spring-Loaded Shuttle Magnet
- Meter Type: Volumetric Flow Meter
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]
- Poles: Single Pole
- Mounting: In-line
- Meter Technology: Variable Area
- End Fittings: In-line Threaded
from Shanghai Yuanben Magnetoelectric Tech. Co., Ltd.
Switching Voltage: 100Vac, 220Vac. Switching Current: 1.0 Amax. Switch Power Rating: 70 V A. Switch Connections: SPST-NO (Normally Open)/SPST-NC (Normally Closed). Set Point Tolerance: 10 ％(max.). Setting Accuracy: ±10 ％. Range of Flow Rate: 0.95~20L/min. Operation Temperature:... [See More]
- Poles: Single Pole
- Process Media Type: Liquid
- Meter Type: Volumetric Flow Meter
- Operating Pressure: 435
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]
- Poles: Single Pole
- Mounting: In-line
- Pipe Diameter: 0.25 to 0.75
- End Fittings: In-line Threaded
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]
- Poles: Single Pole
- Pipe Diameter: 0.25 to 1.00
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
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]
- Poles: Single Pole
- Mounting: In-line
- Pipe Diameter: 1.00 to 2.00
- 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]
- Poles: Single Pole
- Pipe Diameter: 0.25 to 0.38
- Meter Technology: Piston
- Mounting: In-line
from Shanghai Yuanben Magnetoelectric Tech. Co., Ltd.
Switching Voltage: 100Vac, 220Vac. Switching Current: 1.0 Amax. Switch Power Rating: 70 VA. Switch Connections: SPST-NO (Normally Open)/SPST-NC (Normally Closed). Set Point Tolerance: 10 ％(max.). Setting Accuracy: ±10 ％. Range of Flow Rate: 0.95~10L/min. Operation Temperature:... [See More]
- Poles: Single Pole
- Process Media Type: Liquid
- Meter Type: Volumetric Flow Meter
- Operating Pressure: 435
from OMEGA Engineering, Inc.
The FPR-200 series flowrate sensor integrates rugged tangential turbine technology with a precision digital-to-analog conversion circuit hermetically encapsulated within the body of the sensor. The flow sensor is ideal for measuring flowrates in cooling circuits, HVAC systems and batching... [See More]
- Poles: Single Pole
- Pipe Diameter: 0.50 to 1.00
- Meter Technology: Turbine
- Mounting: In-line
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]
- Poles: Single Pole
- Mounting: In-line
- Pipe Diameter: 1.38
- 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]
- Poles: Single Pole
- Pipe Diameter: 0.56
- Meter Technology: Piston
- Mounting: In-line
from Shanghai Yuanben Magnetoelectric Tech. Co., Ltd.
Switching Voltage: 100Vac, 220Vac. Switching Current: 1.0 Amax. Switch Power Rating: 70 V A. Switch Connections: SPST-NO (Normally Open)/SPST-NC (Normally Closed). Set Point Tolerance: 10 ％(max.). Setting Accuracy: ±10 ％. Range of Flow Rate: 0.15~2L/min. Operation Temperature:... [See More]
- Poles: Single Pole
- Process Media Type: Liquid
- Meter Type: Volumetric Flow Meter
- Operating Pressure: 435
from OMEGA Engineering, Inc.
The FL-W Series of water flow monitors can be used with flows from 1 gph up to 90 gpm. These flowmeters utilize the fluid ’s movement to actuate a swinging vane (or piston), which drives the scale pointer and triggers the signal switch. SPECIFICATIONS: Signal Switch: 3-Wire SPDT, 15 A @ 125... [See More]
- Poles: Single Pole
- Pipe Diameter: 0.75 to 2.00
- Meter Technology: Piston
- Mounting: In-line
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]
- Poles: Single Pole
- Mounting: In-line
- Pipe Diameter: 1.00
- End Fittings: Socket Weld / Union
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]
- Poles: Single Pole
- Mounting: In-line
- Pipe Diameter: 0.75
- End Fittings: In-line Threaded
from OMEGA Engineering, Inc.
OMEGA ® FST-200 Series 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, 1 to 300 cp, and pulsating flow from 10 to 100 pulses per minute. The sensors incorporate two temperature... [See More]
- Poles: Single Pole
- Pipe Diameter: 0.12 to 12.00
- Meter Technology: Thermal
- Mounting: Insertion
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]
- Poles: Single Pole
- Mounting: In-line
- Pipe Diameter: 0.56
- 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]
- Poles: Single Pole
- Mounting: In-line
- Pipe Diameter: 0.50 to 1.00
- End Fittings: In-line Threaded
from OMEGA Engineering, Inc.
FSW-20 series paddle-type switches easily install into pipes ranging in size from 1 ¼" on up using an ordinary pipe tee or threaded weld coupling. The paddle pivots to move out of the liquid ’s path with increasing flow, thereby activating the switch. The paddle is easily cut for field... [See More]
- Poles: Single Pole
- Pipe Diameter: 1.25 to ?
- Meter Technology: Paddlewheel
- Mounting: Insertion
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]
- Poles: Single Pole
- Mounting: In-line
- Pipe Diameter: 2.00
- End Fittings: Socket Weld / Union
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]
- Poles: Single Pole
- Mounting: In-line
- Pipe Diameter: 0.75
- End Fittings: In-line Threaded
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]
- Poles: Single Pole
- Pipe Diameter: 0.25 to 1.25
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
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]
- Poles: Single Pole
- 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]
- Poles: Single Pole
- Pipe Diameter: 0.25 to 1.25
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
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]
- Poles: Single Pole
- Pipe Diameter: 0.25
- 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]
- Poles: Single Pole
- Pipe Diameter: 0.25 to 1.25
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
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]
- Poles: Single Pole
- Pipe Diameter: 0.25
- 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]
- Poles: Single Pole
- Pipe Diameter: 0.25 to 1.00
- 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]
- Poles: Single Pole
- Pipe Diameter: 0.38 to 0.50
- 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]
- Poles: Single Pole
- Pipe Diameter: 0.50 to 1.00
- 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]
- Poles: Single Pole
- Pipe Diameter: 0.25 to 2.75
- 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]
- Poles: Single Pole
- 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]
- Poles: Single Pole
- Mounting: Insertion
- Pipe Diameter: 0.50 to 1.00
- End Fittings: In-line Threaded
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]
- Poles: Single Pole
- Pipe Diameter: 0.25
- Meter Technology: Piston
- 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]
- Poles: Single Pole
- Pipe Diameter: 0.38 to 0.50
- Meter Technology: Piston
- Mounting: In-line