Threaded Volumetric Liquid Flow Switches
Description
Threaded Volumetric Liquid Flow Switches are devices designed to monitor and control the flow of liquid within a system. They are equipped with threaded fittings that allow for easy integration into piping systems, ensuring a secure and leak-proof connection. These switches are essential for maintaining the desired flow rate by activating or deactivating a circuit when a specific flow threshold is reached.
Working Principle
Threaded Volumetric Liquid Flow Switches operate by detecting the flow rate of liquid passing through them. They typically use a mechanism that responds to the movement of liquid, such as a paddle or a vane, which is displaced by the flow. This displacement triggers a switch that can either open or close an electrical circuit, providing a signal that can be used to control pumps, valves, or alarms. These switches are useful because they provide a reliable means of ensuring that liquid flow remains within specified limits, preventing potential damage to equipment or processes due to over or under-flow conditions.
Applications
Threaded Volumetric Liquid Flow Switches are used in a variety of applications where precise flow control is critical. For example, they are commonly employed in water treatment systems to ensure that water flow remains consistent, preventing overflow or dry running of pumps. They are also used in cooling systems for industrial machinery, where maintaining a steady flow of coolant is essential to prevent overheating. Additionally, these switches can be found in chemical processing plants, where they help manage the flow of reactive or hazardous liquids.
Advantages over other Materials - Metals
Plastic versions of these flow switches offer several advantages over metal counterparts. They are lightweight, which can simplify installation and reduce the load on supporting structures. Plastics are also highly resistant to corrosion, making them ideal for use in environments where metal switches might degrade over time due to exposure to corrosive substances. Furthermore, plastic switches are often more cost-effective, providing a budget-friendly option without compromising on durability or performance.
Limitations
One limitation of Threaded Volumetric Liquid Flow Switches is their susceptibility to damage from solid particles or debris in the liquid. Such materials can jam the internal mechanisms, leading to inaccurate readings or failure of the switch. Additionally, plastic versions may not be suitable for high-temperature applications, as they can deform or lose integrity under extreme heat.
Considerations
When selecting a Threaded Volumetric Liquid Flow Switch, several factors should be considered to ensure optimal performance and longevity. Initial costs can vary depending on the material and complexity of the switch, with plastic options generally being more affordable. Operating expenses are typically low, but regular maintenance is necessary to prevent blockages and ensure accuracy. Durability is influenced by the material choice, with plastic offering excellent resistance to corrosion but potentially lower heat tolerance compared to metals. Accuracy can be affected by the presence of debris, so filtration may be necessary in some systems. Replacement and maintenance costs should also be factored in, as these can impact the overall cost-effectiveness of the switch over its operational life.
from Fluid Components Intl. (FCI)
The FS10A is a universal flow monitor and switch specifically designed for gas and liquid process analyzer sampling systems. The FS10A is a fast responding, highly repeatable sensor which installs easily into a standard tube tee fitting or new SP76 (NeSSI) modular manifold. The FS10A utilizes proven... [See More]
- End Fittings: In-line Flanged; In-line Threaded
- Pipe Diameter: 0.25 to 0.50
- Meter Technology: Thermal
- Mounting: Insertion
from ifm efector inc.
Reliable volumetric flow monitoring of the internal cooling of the drill on machine tools. With integrated backflow protector. Intuitive continuous adjustment of the switch points. Robust housing with very high pressure resistance. Very short response time. View other products in this family of... [See More]
- End Fittings: In-line Threaded
- Process Media Type: Liquid
- Meter Type: Volumetric Flow Meter
- Operating Pressure: 2901
from ABB Measurement & Analytics
HygienicMaster FEH630 – The first choice for all hygienic applications. Advanced features and functionality that enable you to operate more efficiently, reduce costs and increase profitably. Real-time diagnostic keep your process up and running. – Detecting critical process conditions at... [See More]
- End Fittings: In-line Flanged; In-line Threaded
- Pipe Diameter: 0.04 to 4.00
- Meter Technology: Electromagnetic
- Mounting: In-line
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]
- End Fittings: In-line Flanged (optional feature); In-line Threaded
- 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]
- End Fittings: In-line Threaded
- 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]
- End Fittings: In-line Threaded
- 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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.75 to 1.00
- Meter Technology: Thermal
- 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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.75
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.50 to 2.00
- Meter Technology: Flow Nozzle
- Mounting: In-line
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.12 to 0.25
- Meter Type: Volumetric Flow Meter
from Bionetics
Rheotherm flow sensing probes for duct gases are easy to install and provide long-term service with little or no maintenance. The output can be in mass, standard volume or velocity units. Options for hazardous locations (intrinsically safe/explosion-proof) are available. [See More]
- End Fittings: In-line Flanged (optional feature); In-line Threaded; Sanitary
- Pipe Diameter: 1.00 to ?
- Meter Technology: Thermal
- Mounting: Insertion
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Meter Technology: Rotameter; Variable Area
- Meter Type: Volumetric Flow Meter
from Shanghai Yuanben Magnetoelectric Tech. Co., Ltd.
FSF-101 Plastic Flow Switches with Float Ball, This switches is used for low pressure, low fluid speed water system, such as potentail condensate drain overflow conditions, dectect thin film water. the switches is made of switches house, float ball and stem of mounting in the pipe. When the pipe... [See More]
- End Fittings: In-line Threaded
- Meter Type: Volumetric Flow Meter
- Pipe Diameter: 0.59 to 0.79
- Process Media Type: Liquid
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]
- End Fittings: In-line Threaded; Wafer
- Pipe Diameter: 0.25 to 8.00
- Meter Technology: Orifice Plates
- Mounting: In-line
from AW Company
304 Stainless steel or 316Ti bodies [See More]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.25
- Meter Technology: Oval Gear
- Mounting: In-line
from OMEGA Engineering, Inc.
This switch package offers a complete solution for flow or no-flow switching in pipes or ducting ranging up to 16". The compact relay controller provides reliable actuation of valves, pumps or blowers rated up to 1 /2 HP. Common applications include low flow pump or process protection. To complete... [See More]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.75 to 12.00
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.38
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Meter Type: Volumetric Flow Meter
- Meter Technology: Piston
- Process Media Type: Liquid
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.25 to 0.50
- Meter Type: Volumetric Flow Meter
from Bijur Delimon International
Application. Individually calibrated and adjustable, Oil Flow Meters regulate and monitor oil flow. Features. Regulate and monitor oil flow to bearings and gears. Individually calibrated and adjustable with out graphs and viscosity curves. Various flow rates available in single meters or in banks of... [See More]
- End Fittings: In-line Threaded
- Mounting: In-line
- Meter Technology: Piston
- Meter Type: Volumetric Flow Meter
from Invotec Solutions Ltd.
The Tracer Electronic Switching Flowmeter is designed for permanent installation to closely monitor water flow andtemperature conditions. Selectable analogue signal transmits 0 to 5 or 0 to 10 Volts; signal is scaleable for flow and temperature. The SPDT switch in the Tracer flow meter can be wired... [See More]
- End Fittings: In-line Threaded
- Mounting: In-line
- Meter Technology: Turbine
- Meter Type: Volumetric Flow Meter
from KOBOLD Instruments, Inc.
Product Features. No Features Available [See More]
- End Fittings: In-line Threaded
- Mounting: In-line
- Meter Technology: Paddlewheel
- 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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.38
- Meter Type: Volumetric Flow Meter
from Proteus Industries Inc.
8000EMR Series flow meters were designed for use in harsh environments with high levels of electromagnetic or radio-frequency interference. The superior immunity has been laboratory tested up to an RF power of 10 V/m to 10 GHz. The effective design indicates that the flow meters can withstand up to... [See More]
- End Fittings: In-line Threaded
- Process Media Type: Liquid
- Meter Type: Volumetric Flow Meter
- Media Temperature: -40 to 194
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.50
- Meter Technology: Piston
- Mounting: In-line
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.25
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.38 to 0.75
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded; ANSI 150# RF
- Mounting: In-line
- Meter Technology: Rotameter; Variable Area
- Meter Type: Volumetric Flow Meter
from Clark Solutions
Model DTH08 calorimetric flow sensor measures and monitors liquid flow. Its compact design makes it suitable for a wide variety of applications. Depending on the model, the device can be fitted with an analog output (4 – 20 mA or 0 – 10 V) and a switched or frequency output. The sensor... [See More]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.24 to 0.39
- Meter Technology: Thermal
- Mounting: In-line
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.75
- Meter Technology: Variable Area
- Mounting: In-line
from Suttner America Company
Vertical mounting position and free floating brass magnet configuration. [See More]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.38
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Meter Type: Volumetric Flow Meter
- Meter Technology: Piston
- Process Media Type: Liquid
from KOBOLD Instruments, Inc.
Product Features. Flow Rates From 0.02 to 12 GPM. PTFE or Brass Bodies. Frequency Output Standard. Optional Digital Display, Transmitters, Totalizer & Batch Controllers. No Straight Run Requirements. Can Be Mounted in Any Orientation. Compact, Economical Design. The DFT compact series of paddle flow... [See More]
- End Fittings: In-line Threaded
- Mounting: In-line
- Meter Technology: Paddlewheel
- 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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.38
- Meter Type: Volumetric Flow Meter
from Proteus Industries Inc.
100 Series Flow Switches > Flow rates from 0.2 to 227 LPM / 0.06 to 60 GPM > Adjustable trip point > Flow switch cannot jam in Flow OK position > 5-year warranty. Active Design Assures Reliability Cannot Jam in “Flow OK ” Position Models span 0.08 to 60.0 GPM Adjustable Trip... [See More]
- End Fittings: In-line Threaded
- Mounting: In-line
- Meter Technology: Paddlewheel
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.50
- Meter Technology: Piston
- Mounting: In-line
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Meter Technology: Fixed Orifice
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.12 to 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]
- End Fittings: Compression; In-line Threaded
- Mounting: In-line
- Meter Technology: Rotameter; Variable Area
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Meter Technology: Rotameter; Variable Area
- Meter Type: Volumetric Flow Meter
from OMEGA Engineering, Inc.
The FSW301 flow switch comprises a paddle system (1) with a permanent magnet attached (2). Above that magnet is a reed contact (3), located outside the flow of fluid. A second magnet with opposing poles (4) creates the force necessary to reset the switch back to the no flow position. When the... [See More]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.50 to 8.00
- Meter Technology: Paddlewheel
- Mounting: In-line
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.38
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Meter Type: Volumetric Flow Meter
- Meter Technology: Spring-Loaded Shuttle Magnet
- Process Media Type: Liquid
from General Pump
Flow Switch, 3 amp, 230 Volts, 48? Cord, Gauge Port [See More]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.25 to 0.38
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Meter Technology: Paddlewheel
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 1.00 to 2.00
- 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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Meter Technology: Variable Area
- Meter Type: Volumetric Flow Meter
from Malema Sensors
The M-60 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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.25
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.25 to 1.25
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
from OMEGA Engineering, Inc.
The FSW301 flow switch comprises a paddle system with a permanent magnet attached. Above that magnet is a reed contact, located outside the flow of fluid. A second magnet with opposing poles creates the force necessary to reset the switch back to the no flow position. When the monitored flow pushes... [See More]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.75 to 8.00
- Meter Technology: Paddlewheel
- Mounting: Insertion
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.38
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Meter Technology: Paddlewheel
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.56
- Meter Technology: Piston
- 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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Meter Technology: Variable Area
- Meter Type: Volumetric Flow Meter
from Malema Sensors
Malema's 2000 series variable area purge meters use a tapered borosilicate glass tube with a fine threaded regulating valve for precise flow adjustment. Various flow tube lengths such as 100 mm, 150 mm and 300 mm are available. It's compact construction with reduced dimensions facilitates easy... [See More]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.25 to 0.75
- Meter Type: Volumetric Flow Meter
from Clark Solutions
Model DOZ01 flow sensors are used wherever the flow of liquids having different viscosities must be reliably and economically measured, such as in the following cases: Central lubrication systems. Transformer oils. Aggressive/caustic liquids in the chemical industry. The model DOZ01 flow sensor with... [See More]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.25
- Meter Technology: Oval Gear
- Mounting: In-line
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.50 to 0.75
- Meter Type: Volumetric Flow Meter
from General Pump
Flow Switch, 3 amp, 230 Volts, 36? Cord (Mount in Vertical Position Only) [See More]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.38
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.75
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.25 to 1.00
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.50 to 1.00
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.38
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.50 to 1.00
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.25 to 1.00
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.25 to 0.75
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.38
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.75
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 1.38
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.50 to 1.00
- Meter Technology: Turbine
- Mounting: In-line
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.50
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.25
- Meter Technology: Piston
- Mounting: In-line
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.56
- Meter Type: Volumetric Flow Meter
from OMEGA Engineering, Inc.
The FSW530 Series flow switches are capable of detecting extremely low liquid flow rates from 13 mL/ minute up to 10 L/minute with a full scale switch accuracy of ±1.0% or better! A wide variety of fluids may be measured. Repeatable results are achieved using a patented pelton-type... [See More]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.12 to 0.38
- Meter Technology: Turbine
- Mounting: In-line
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.50
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- 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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.25 to 1.25
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
from OMEGA Engineering, Inc.
The FSW500 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 this switch ideal for a wide range of chemical and temperature requirements. The FSW500 is ideal for equipment cooling including... [See More]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.75
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.38
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- 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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.25 to 1.25
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.75 to 2.00
- Meter Technology: Piston
- 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]
- End Fittings: In-line Threaded
- Mounting: In-line
- Pipe Diameter: 0.38
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: Compression; In-line Threaded
- 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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.25 to 1.25
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.12 to 12.00
- Meter Technology: Thermal
- Mounting: Insertion
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]
- End Fittings: In-line Threaded
- 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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.50 to 1.00
- Meter Technology: Rotameter; Variable Area
- Mounting: In-line
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 1.25 to ?
- Meter Technology: Paddlewheel
- Mounting: Insertion
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]
- End Fittings: In-line Threaded
- Mounting: Insertion
- Pipe Diameter: 0.50 to 1.00
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- 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 11 GPM (0.5 LPM to 41 LPM). Port Size: 1/2" to 1-1/2" (NPT or G thread). Setting Type: Fixed. The FS-600 series flow switch uses proven thermal dispersion technology to provide a robust no moving parts flow switch even without filtration. The solid state sensor is... [See More]
- End Fittings: In-line Threaded
- Mounting: In-line
- Meter Technology: Thermal
- Meter Type: Volumetric Flow Meter
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]
- End Fittings: In-line Threaded
- Pipe Diameter: 0.50 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]
- End Fittings: In-line Threaded
- 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]
- End Fittings: Compression; In-line Threaded
- Pipe Diameter: 0.38 to 0.50
- Meter Technology: Piston
- Mounting: In-line