Threaded Flow Switches

Overview. The InnovaSwitch insertion-type level switch is a high-performance, industrial-grade liquid level indicator for tanks and process vessels. This product switches on level changes as small as 0.03 inch (0.8 mm) on dry-to-wet and wet-to-dry occurrences in a tank or vessel. The instrument was... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 3000

• Process Media Type: Liquid; Gas
• Media Temperature: -100 to 850

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
• Operating Pressure: 0.0 to 600

• Process Media Type: Liquid; Gas
• Media Temperature: -40 to 500

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
• Media Temperature: -13 to 356

• Process Media Type: Liquid
• Pipe Diameter: 0.04 to 4.00

Reliable monitoring of liquids and gases in pipes. Variable process connection using adapters. Easy setting of the switch points for quick set-up. Robust stainless steel housing for use in harsh industrial environments. LED bar graph for indication of switch point and flow. From May 1st 2025,... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 435

• Process Media Type: Liquid; Gas
• Media Temperature: -13 to 176

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
• Operating Pressure: 0.0 to 2350

• Process Media Type: Liquid; Gas
• Media Temperature: -100 to 500

Purgemasters are ideal for applications such as the purging of control lines and instrument enclosures. Their use is easily extended into fluid sampling, liquid specific gravity, level measurement and similar services. [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 261

• Process Media Type: Liquid; Gas
• Media Temperature: 250

Reliable monitoring of liquids and gases in pipes. Variable process connection using adapters. Easy setting of the switch points for quick set-up. Robust stainless steel housing for use in harsh industrial environments. LED bar graph for indication of switch point and flow. Learn more. View other... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 4351

• Process Media Type: Liquid; Gas
• Media Temperature: -13 to 176

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
• Operating Pressure: 0.0 to 3500

• Process Media Type: Liquid; Gas
• Media Temperature: -40 to 350

Reliable monitoring of liquids and gases in pipes. Variable process connection using adapters. Easy setting of the switch points for quick set-up. Robust stainless steel housing for use in harsh industrial environments. LED bar graph for indication of switch point and flow. Learn more. View other... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 435

• Process Media Type: Liquid; Gas
• Media Temperature: -13 to 140

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
• Operating Pressure: 0.0 to 2350

• Process Media Type: Liquid; Gas
• Media Temperature: -100 to 500

Hygienic design for the requirements of the food and beverage industry. Suitable for SIP processes up to 140 °C. LED bar graph for indication of switch point and flow. Extensive range of process adapters in the accessories. Wetted parts made of stainless steel. Please do not use for new... [See More]

• End Fittings: In-line Threaded
• Media Temperature: -13 to 203

• Operating Pressure: 435
• Electrical Output: Switch

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
• Operating Pressure: 0.0 to 2350

• Process Media Type: Liquid; Gas
• Media Temperature: -100 to 850

Hygienic design for the requirements of the food and beverage industry. Suitable for SIP processes up to 140 °C. LED bar graph for indication of switch point and flow. Extensive range of process adapters in the accessories. Wetted parts made of stainless steel. Learn more. View other products... [See More]

• End Fittings: In-line Threaded
• Media Temperature: -13 to 203

• Operating Pressure: 435
• Electrical Output: Switch

The FS10i is a universal flow switch and flow monitor designed for simple insertion into ½ ” (13mm) or larger diameter pipes and square ducts. The unit is suitable for either liquid or air/gas applications. It is fast responding and highly repeatable to both increasing and decreasing... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 2002

• Process Media Type: Liquid; Gas
• Media Temperature: -40 to 250

Hygienic design for the requirements of the food and beverage industry. Suitable for SIP processes up to 140 °C. LED bar graph for indication of switch point and flow. Extensive range of process adapters in the accessories. Wetted parts made of stainless steel. Learn more. View other products... [See More]

• End Fittings: In-line Threaded
• Media Temperature: -13 to 203

• Operating Pressure: 435
• Electrical Output: Switch

Reliable monitoring of liquids and gases in pipes. Process connection with supplied adapter. Easy setting of the switch points for quick set-up. Robust housing for use in harsh industrial environments. LED bar graph for indication of switch point and flow. From May 1st 2025, products produced in EU... [See More]

• End Fittings: In-line Threaded
• Media Temperature: -13 to 176

• Process Media Type: Liquid; Gas
• Electrical Output: Switch

Reliable monitoring of liquids and gases in pipes. Process connection with supplied adapter. Easy setting of the switch points for quick set-up. Robust housing for use in harsh industrial environments. LED bar graph for indication of switch point and flow. From May 1st 2025, products produced in EU... [See More]

• End Fittings: In-line Threaded
• Media Temperature: -13 to 176

• Process Media Type: Liquid; Gas
• Electrical Output: Switch

Reliable monitoring of liquids and gases in pipes. Process connection with supplied adapter. Easy setting of the switch points for quick set-up. Robust housing for use in harsh industrial environments. LED bar graph for indication of switch point and flow. From May 1st 2025, products produced in EU... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 4351

• Process Media Type: Liquid; Gas
• Media Temperature: -13 to 176

Measurement of flow and temperature at the same time. Optimized for water, oils and air. Red/green display for clear identification of the acceptable range. With switching output, analog signal and IO-Link. The process connection can be rotated for optimum alignment. Convenient operation via buttons... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 1450

• Process Media Type: Liquid; Gas
• Media Temperature: -4 to 194

Measurement of flow and temperature at the same time. Optimized for water, oils and air. Red/green display for clear identification of the acceptable range. With switching output, analog signal and IO-Link. The process connection can be rotated for optimum alignment. Convenient operation via buttons... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 1450

• Process Media Type: Liquid; Gas
• Media Temperature: -4 to 194

Measurement of flow and temperature at the same time. Optimized for water, oils and air. Red/green display for clear identification of the acceptable range. With switching output, analog signal and IO-Link. The process connection can be rotated for optimum alignment. Convenient operation via buttons... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 1450

• Process Media Type: Liquid; Gas
• Media Temperature: -4 to 194

Precise detection of flow in pipes. Suitable for water, oils and glycol solutions. Intuitive continuous adjustment of the switch point. Robust housing with very high pressure resistance. Very fast response time (~10 ms). Learn more. Please note the changed housing design!. View other products in... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 580

• Process Media Type: Liquid
• Media Temperature: 32 to 185

Precise detection of flow in pipes. Suitable for water, oils and glycol solutions. Intuitive continuous adjustment of the switch point. Robust housing with very high pressure resistance. Very fast response time (~10 ms). Learn more. Please note the changed housing design!. View other products in... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 363

• Process Media Type: Liquid
• Media Temperature: 32 to 185

Precise detection of flow in pipes. Suitable for water, oils and glycol solutions. Intuitive continuous adjustment of the switch point. Robust housing with very high pressure resistance. Very fast response time (~10 ms). Learn more. Please note the changed housing design!. View other products in... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 363

• Process Media Type: Liquid
• Media Temperature: 32 to 185

Precise detection of flow in pipes. Suitable for water, oils and glycol solutions. Intuitive continuous adjustment of the switch point. Robust housing with very high pressure resistance. Very fast response time (~10 ms). Learn more. Please note the changed housing design!. View other products in... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 580

• Process Media Type: Liquid
• Media Temperature: 32 to 185

Precise detection of flow in pipes. Suitable for water, oils and glycol solutions. Intuitive continuous adjustment of the switch point. Robust housing with very high pressure resistance. Very fast response time (~10 ms). Learn more. Please note the changed housing design!. View other products in... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 363

• Process Media Type: Liquid
• Media Temperature: 32 to 185

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
• Media Temperature: 32 to 140

• Operating Pressure: 2901
• Electrical Output: Switch

Industrial Flow Switches are normally closed (NC) but can be wired for normally open (NO). Typical applications include lubrication, process, fire control, and cooling systems; heat pumps; hydraulic lifts; and water treatment.| Choose a brass model with a  ¼ ' ', 3/8 ' ',... [See More]

• End Fittings: In-line Threaded
• Electrical Output: Switch

• Process Media Type: Gas
• Operating Temperature: 220

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
• Media Temperature: 0 to 212

• Process Media Type: Liquid; Gas
• Velocity Flow Rate: 0.0833 to 417

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
• Operating Pressure: 150

• Process Media Type: Liquid
• Liquid Volumetric Flow Rate: 0.00 to 7.92

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
• Operating Pressure: 150

• Process Media Type: Liquid; Gas
• Media Temperature: 158

Air gap provided as absolute value. Precise values at all times thanks to pressure-compensated measuring principle. Enables zero gap and clogging detection. Self-cleaning measuring channel even resists purge air pressure. Easy teaching of thresholds with just one click. Convenient operation via... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 232

• Process Media Type: Gas
• Media Temperature: 14 to 140

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
• Operating Pressure: 1000

• Process Media Type: Liquid
• Media Temperature: -40 to 300

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
• Operating Pressure: 100 to 500

• Process Media Type: Liquid
• Media Temperature: -20 to 200

The DF-KL Electronics convert the frequency signal generated by the rotating vane into a numeric flow rate indication displayed on the top line of the LCD display, bargraph indicator proportional to the measuring value on the bottom, and a scalable analog output signal and two limit contacts to... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 85 to 1450

• Process Media Type: Liquid
• Media Temperature: -10 to 180

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
• Operating Pressure: 400 to 800

• Process Media Type: Liquid
• Media Temperature: -20 to 180

The FPX4008 proximity switch with mass flow sensing is manufactured using Siargo's proprietary MEMS sensor process that ensures reliability, performance and low cost. The sensors are specially designed for fast response to the air/oil lubricator applications. The surface of the sensor is passivated... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 145

• Process Media Type: Gas
• Pipe Diameter: 0.25

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
• Operating Pressure: 5000

• Process Media Type: Liquid
• Media Temperature: 190

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
• Media Temperature: -40 to 194

• Process Media Type: Liquid
• Liquid Volumetric Flow Rate: 0.50 to 60.00

Particular Introductio. 1. Describtion. FSP series paddle flow switches is made of reed swiches, PP switches housing and brass body, SUS304 paddle, the flow switches can be adjustable in line, changed the switches from N.O. to N.C. also you may changed the setting flow ratting. FSP series paddle... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 1000 to 2000

• Process Media Type: Liquid; Gas
• Media Temperature: 199 to 257

The CF12 Thermal Dispersion Flow Switch with Exproof Housing (GX) comes standard with a Universal Power Supply: 24Vdc or 85 to 264Vac. This unit offers reliable liquid and gas flow detection ideally suited for just about any Flow/ No Flow application. Unlike the CF12 with either the small nylon... [See More]

• End Fittings: In-line Flanged; In-line Threaded
• Operating Pressure: 1450

• Process Media Type: Liquid; Gas
• Velocity Flow Rate: 0.0984 to 16.4

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
• Operating Pressure: 3600

• Process Media Type: Liquid
• Media Temperature: 176

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
• Operating Pressure: 75 to 500

• Process Media Type: Liquid; Gas
• Media Temperature: 250

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
• Operating Pressure: 10 to 400

• Process Media Type: Liquid; Gas; Steam
• Media Temperature: -30 to 350

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
• Operating Pressure: 250

• Process Media Type: Liquid
• Media Temperature: 200

Series N50 Low Water Cut-Offs are used on heating applications for low pressure, process, hot water heater boilers to protect them against emergency low water conditions. It has a float chamber that has 1 in. (25mm) NPT female top and bottom connections. Available in single (N50S) or double switch... [See More]

• End Fittings: In-line Threaded
• Mounting: Insertion

• Process Media Type: Liquid
• Electrical Output: Switch

304 Stainless steel or 316Ti bodies [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 9000

• Process Media Type: Liquid
• Media Temperature: 350

The M-200 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
• Operating Pressure: 200 to 2500

• Process Media Type: Liquid; Gas
• Media Temperature: 140 to 300

Mini Low-Flow Switches are configured to open the SPST contact when flow goes beyond the set point or stops. Typical applications include gas/liquid sampling; chemical injection; pollution control monitoring; atmospheric furnaces; and process systems. | Choose from a brass switch (32929-00) for... [See More]

• End Fittings: In-line Threaded
• Electrical Output: Switch

• Process Media Type: Gas
• Operating Temperature: 220

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
• Operating Pressure: 200

• Process Media Type: Liquid
• Media Temperature: 199

Reliable monitoring of liquids in pipes. Variable process connection using adapters. Easy setting of the switch points for quick set-up. Robust stainless steel housing for use in harsh industrial environments. LED bar graph for indication of switch point and flow [See More]

• End Fittings: In-line Threaded
• Media Temperature: -13 to 176

• Operating Pressure: 4351
• Electrical Output: Switch

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
• Operating Pressure: 1000

• Process Media Type: Liquid
• Media Temperature: -20 to 300

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
• Operating Pressure: 0.0 to 1000

• Process Media Type: Liquid
• Media Temperature: -20 to 200

Product Features. No Features Available [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 85 to 1450

• Process Media Type: Liquid
• Media Temperature: 180

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
• Operating Pressure: 1000

• Process Media Type: Liquid
• Media Temperature: -20 to 300

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
• Operating Pressure: 4000

• Process Media Type: Liquid
• Media Temperature: 190

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
• Liquid Volumetric Flow Rate: 0.06 to 60.00

• Process Media Type: Liquid
• Mounting: In-line

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
• Operating Pressure: 0.7252

• Process Media Type: Liquid
• Media Temperature: 176

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
• Operating Pressure: 1450

• Process Media Type: Liquid; Gas
• Liquid Volumetric Flow Rate: 0.00 to 0.08

Vertical mounting position and free floating brass magnet configuration. [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 7300

• Process Media Type: Liquid
• Media Temperature: 176

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
• Operating Pressure: 1500

• Process Media Type: Liquid; Gas; Steam
• Media Temperature: -20 to 500

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
• Operating Pressure: 2176

• Process Media Type: Liquid
• Media Temperature: 32 to 158

Series FS-200-W Paddle-Type Flow Switches are used in commercial and industrial applications to accurately monitor the flow of liquid in pipelines servicing water systems, heating systems, air conditioning and processing installations for industrial and commercial applications. The flow switches are... [See More]

• End Fittings: In-line Threaded
• Mounting: Insertion

• Process Media Type: Liquid
• Electrical Output: Switch

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
• Operating Pressure: 1500 to 3000

• Process Media Type: Liquid; Gas
• Media Temperature: 104 to 149

Standard Low-Flow Switches are normally closed (NC) but can be wired for normally open (NO). Typical applications include chemical process and vapor deposition systems; industrial gas lines; pollution control monitoring; atmospheric furnaces; and leak detection.| Choose from a brass switch... [See More]

• End Fittings: In-line Threaded
• Electrical Output: Switch

• Process Media Type: Gas
• Operating Temperature: 220

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
• Operating Pressure: 145 to 365

• Process Media Type: Liquid
• Media Temperature: 140 to 230

Reliable monitoring of liquids and gases in pipes. Variable process connection using adapters. Easy setting of the switch points for quick set-up. Robust stainless steel housing for use in harsh industrial environments. LED bar graph for indication of switch point and flow [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 4351

• Process Media Type: Liquid; Gas
• Media Temperature: -13 to 176

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
• Operating Pressure: 400

• Process Media Type: Liquid
• Media Temperature: -20 to 300

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
• Operating Pressure: 3000

• Process Media Type: Liquid
• Media Temperature: 200

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
• Operating Pressure: 70 to 230

• Process Media Type: Liquid
• Media Temperature: 176

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
• Operating Pressure: 150 to 200

• Process Media Type: Liquid
• Media Temperature: 0 to 212

Flow Switch, 3 amp, 230 Volts, 48? Cord, Gauge Port [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 3650

• Process Media Type: Liquid
• Media Temperature: 175

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
• Media Temperature: -40 to 90

• Process Media Type: Liquid
• Liquid Volumetric Flow Rate: 0.05 to 60.00

The CF12RM Remote Mounted Thermal Dispersion Flow Switch is available in two versions: CF12RMDC (+/-24Vdc) or CF12RMAC (85 to 264Vac). Both of these models offer reliable liquid and gas flow detection ideally suited for just about any Flow/ No Flow application, with the flexibility of separate panel... [See More]

• End Fittings: In-line Flanged; In-line Threaded
• Operating Pressure: 4350

• Process Media Type: Liquid; Gas
• Velocity Flow Rate: 0.0984 to 16.4

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
• Operating Pressure: 3600

• Process Media Type: Liquid
• Media Temperature: 257

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
• Operating Pressure: 1500 to 4000

• Process Media Type: Liquid; Gas
• Media Temperature: -58 to 400

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
• Operating Pressure: 145

• Process Media Type: Liquid; Gas
• Media Temperature: 140

Series FS-204-W Paddle-Type Flow Switches are used in commercial and industrial applications to accurately monitor the flow of liquid in pipelines servicing water systems, heating systems, air conditioning and processing installations for industrial and commercial applications. The flow switches are... [See More]

• End Fittings: In-line Threaded
• Mounting: Insertion

• Process Media Type: Liquid
• Electrical Output: Switch

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
• Gas Volumetric Flow Rate: 2 to 100

• Process Media Type: Liquid; Gas
• Liquid Volumetric Flow Rate: 0.05 to 10.56

The one-piece magnetic PPS composite piston makes these normally open switches ideal for high pressure applications. Switches withstand up to 1500 psi at 70 <deg >F (21 <deg >C)! Use a 100 <mu >m filter to protect your switch. Switches include 24 to 26" lead wires. [See More]

• End Fittings: In-line Threaded
• Electrical Output: Switch

• Operating Pressure: 1500
• Operating Temperature: 275

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
• Operating Pressure: 365

• Process Media Type: Liquid
• Media Temperature: 230

Reliable monitoring of liquids and gases in pipes. Variable process connection using adapters. Easy setting of the switch points for quick set-up. Robust stainless steel housing for use in harsh industrial environments. LED bar graph for indication of switch point and flow [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 435

• Process Media Type: Liquid; Gas
• Media Temperature: -13 to 176

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
• Operating Pressure: 200

• Process Media Type: Liquid
• Media Temperature: 32 to 120

Product Features. Flow Range 0.26-5.3 GPM Water. Bearingless Turbine Design for Long Life. All Plastic Wetted Parts. Accuracy ±1% of Reading. High precision at affordable pricing is the primary feature of KOBOLD's SFL turbine flow sensor. A bearingless design provides very high reliability. [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 580

• Process Media Type: Liquid
• Media Temperature: 212

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
• Operating Pressure: 400

• Process Media Type: Liquid
• Media Temperature: -20 to 300

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
• Operating Pressure: 5100

• Process Media Type: Liquid
• Media Temperature: 175

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
• Operating Pressure: ? to 250

• Process Media Type: Liquid
• Media Temperature: -40 to 140

The CF12 Thermal Dispersion Flow Switch with a large 316 Stainless Steel housing (A2) comes standard with a Universal Power Supply: 24Vdc or 85 to 264Vac. This model is an excellent alternative when either plastic or aluminum is not recommended. The CF12 (A2) offers reliable liquid and gas flow... [See More]

• End Fittings: In-line Flanged; In-line Threaded
• Operating Pressure: 4350

• Process Media Type: Liquid; Gas
• Velocity Flow Rate: 0.0984 to 16.4

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
• Operating Pressure: ? to 4350

• Process Media Type: Liquid
• Media Temperature: ? to 212

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
• Operating Pressure: 30 to 3000

• Process Media Type: Liquid; Gas
• Media Temperature: 170 to 300

Use these normally open switches with plastic pipes without threads. Switches are available in gray or clear PVC housing. Use clear switches where visual flow confirmation is needed. Use a 150 <mu >m filter to protect your switch. Switches include 24" lead wires. [See More]

• End Fittings: In-line Threaded
• Electrical Output: Switch

• Operating Pressure: 120
• Operating Temperature: 120

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
• Operating Pressure: 1000 to 3500

• Process Media Type: Liquid
• Media Temperature: 241

Hygienic design for the requirements of the food and beverage industry. Suitable for SIP processes up to 140 °C. LED bar graph for indication of switch point and flow. Extensive range of process adapters in the accessories. Wetted parts made of stainless steel. Please do not use for new... [See More]

• End Fittings: In-line Threaded
• Media Temperature: -13 to 203

• Operating Pressure: 435
• Electrical Output: Switch

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
• Operating Pressure: 5000

• Process Media Type: Liquid
• Media Temperature: 200

Product Features. Flow Ranges 2-6.3 GPH to 8-26 GPM Oil. All Metal Bodies in Brass. Adjustable Switch Available. Pressure 3600 PSIG Maximum. Looking for a low cost, truly viscosity compensated flowmeter that won't break the company budget? Look no further than the KOBOLD VKA line of meters! The VKA... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 3600

• Process Media Type: Liquid
• Liquid Volumetric Flow Rate: 0.03 to 26.00

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
• Operating Pressure: 250

• Process Media Type: Liquid
• Media Temperature: 0 to 225

Flow Switch, 3 amp, 230 Volts, 36? Cord (Mount in Vertical Position Only) [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 3650

• Process Media Type: Liquid
• Media Temperature: 175

The CF12 Thermal Dispersion Flow Switch with a small aluminum housing (G1) is available in two versions: CF12DC (+/-24Vdc) or CF12AC (85 to 264Vac). Both of these models offer reliable liquid and gas flow detection ideally suited for just about any Flow/ No Flow application with a small robust... [See More]

• End Fittings: In-line Flanged; In-line Threaded
• Operating Pressure: 4350

• Process Media Type: Liquid; Gas
• Velocity Flow Rate: 0.0984 to 16.4

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
• Operating Pressure: 145 to 290

• Process Media Type: Liquid
• Media Temperature: 32 to 176

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
• Gas Volumetric Flow Rate: 0.0106 to 1.94

• Process Media Type: Liquid; Gas
• Liquid Volumetric Flow Rate: 0.00 to 0.42

Flow Switch [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 150

• Process Media Type: Gas
• Electrical Output: Switch

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
• Operating Pressure: 400

• Process Media Type: Liquid
• Media Temperature: 180

Hygienic design for the requirements of the food and beverage industry. Suitable for SIP processes up to 140 °C. LED bar graph for indication of switch point and flow. Extensive range of process adapters in the accessories. Wetted parts made of stainless steel. Please do not use for new... [See More]

• End Fittings: In-line Threaded
• Media Temperature: -13 to 203

• Operating Pressure: 435
• Electrical Output: Switch

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
• Operating Pressure: 400 to 800

• Process Media Type: Liquid
• Media Temperature: -20 to 180

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
• Operating Pressure: 4000

• Process Media Type: Liquid
• Media Temperature: 190

The CF12 Thermal Dispersion Flow Switch with a large aluminum housing (G2) comes standard with a Universal Power Supply: 24Vdc or 85 to 264Vac. This unit offers reliable liquid and gas flow detection ideally suited for just about any Flow/ No Flow application. Unlike the CF12 with either the small... [See More]

• End Fittings: In-line Flanged; In-line Threaded
• Operating Pressure: 4350

• Process Media Type: Liquid; Gas
• Velocity Flow Rate: 0.0984 to 16.4

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
• Operating Pressure: ? to 4350

• Process Media Type: Liquid; Gas
• Media Temperature: ? to 212

The operating principle is based on a 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 be used to... [See More]

• End Fittings: In-line Threaded
• Mounting: In-line

• Process Media Type: Liquid; Gas
• Electrical Output: Switch

bull; Designed for pump control in various applications and pipe sizes <emdash >comes standard with multiple drag disks for expanded flow ranges. • Wetted surfaces of Noryl  ®, 316 Stainless Steel, EPDM Elastomeric Standard. • Continuous adjustment while operating. •... [See More]

• End Fittings: In-line Threaded
• Gas Volumetric Flow Rate: 20.73

• Operating Pressure: 50
• Liquid Volumetric Flow Rate: 155.00 to 587.00

The FSW-40A and FSW-50 Series flow switches feature 15 A SPDT switches and an adjustable internal screw adjustment which provides continuous switch point while in operation in-line. Multiple drag disks are supplied with each unit to provide incremental switch point adjustment. Their non-magnetic... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 300

• Process Media Type: Liquid
• Media Temperature: 199

Hygienic design for the requirements of the food and beverage industry. Suitable for SIP processes up to 140 °C. LED bar graph for indication of switch point and flow. Extensive range of process adapters in the accessories. Wetted parts made of stainless steel [See More]

• End Fittings: In-line Threaded
• Media Temperature: -13 to 203

• Operating Pressure: 435
• Electrical Output: Switch

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
• Operating Pressure: 50 to 120

• Process Media Type: Liquid
• Media Temperature: 120

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
• Operating Pressure: 4000

• Process Media Type: Liquid
• Media Temperature: 180

The CF12 Thermal Dispersion Flow Switch with a small nylon housing (N1) is available in two versions: CF12DC (+/-24Vdc) or CF12AC (85 to 264Vac). Both of these models offer compact and reliable liquid and gas flow detection ideally suited for just about any Flow/ No Flow application. And while the... [See More]

• End Fittings: In-line Flanged; In-line Threaded
• Operating Pressure: 4350

• Process Media Type: Liquid; Gas
• Velocity Flow Rate: 0.0984 to 16.4

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
• Operating Pressure: 145 to 232

• Process Media Type: Liquid; Gas
• Media Temperature: 160 to 320

The operating principle is based on a 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 be used to... [See More]

• End Fittings: In-line Threaded
• Mounting: In-line

• Process Media Type: Liquid; Gas
• Electrical Output: Switch

These normally open switches have 3/4" NPT(F) ports for a quick connection to threaded plastic piping. Polypropylene and stainless steel wetted parts offer excellent chemical resistance. The materials are also NSF approved and FDA compliant; approved for potable water treatment applications such as... [See More]

• End Fittings: In-line Threaded
• Electrical Output: Switch

• Operating Pressure: 100
• Operating Temperature: 212

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
• Operating Pressure: 200

• Process Media Type: Liquid
• Media Temperature: 180 to 212

Measurement of flow and temperature at the same time. Optimised for water, oils and air. Red/green display for clear identification of the acceptable range. With switching output, analogue signal and IO-Link. The process connection can be rotated for optimum alignment. Convenient operation via... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 1450

• Process Media Type: Liquid; Gas
• Media Temperature: -4 to 194

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
• Operating Pressure: 40 to 100

• Process Media Type: Liquid
• Media Temperature: 0 to 212

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
• Operating Pressure: 4000

• Process Media Type: Liquid
• Media Temperature: 180

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
• Operating Pressure: 400

• Process Media Type: Liquid
• Liquid Volumetric Flow Rate: 0.50

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
• Gas Volumetric Flow Rate: 0.5883 to 17.65

• Process Media Type: Liquid; Gas
• Liquid Volumetric Flow Rate: 0.00 to 4.40

Flow Switch [See More]

• End Fittings: In-line Threaded
• Electrical Output: Switch

• Operating Pressure: 200
• Operating Temperature: 212

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
• Operating Pressure: 150 to 500

• Process Media Type: Liquid
• Media Temperature: 149 to 225

Measurement of flow and temperature at the same time. Red/green display for clear identification of the acceptable range. With switching output, analogue signal and IO-Link. The process connection can be rotated for optimum alignment. Convenient operation via buttons or parameter setting via IO-Link [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 1450

• Process Media Type: Liquid; Gas
• Media Temperature: -4 to 194

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
• Operating Pressure: 1000

• Process Media Type: Liquid
• Media Temperature: -20 to 300

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
• Operating Pressure: 4000

• Process Media Type: Liquid
• Media Temperature: 180

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
• Operating Pressure: 250

• Process Media Type: Liquid
• Liquid Volumetric Flow Rate: 0.10

The M-701 offers low cost flow monitoring with a variety of switch actuation points and low pressure drop. M-701 is designed for ease of maintanance, as the bonnet and shuttle can be removed, leaving the housing and pipe work connections intact. All wetted parts are polypropylene or stainless steel,... [See More]

• End Fittings: In-line Threaded
• Media Temperature: 60 to 212

• Operating Pressure: 40 to 100
• Pipe Diameter: 0.75

These high-pressure SPDT switches withstand pressures up to 1000 psi at 225 <deg >F (107 <deg >C)! They provide reliable and consistent performance; repeatability is <tol >1%. Switches are UL-listed for use in Class I, Division 2, Groups A, B, C, D hazardous environments. Use a 50... [See More]

• End Fittings: In-line Threaded
• Operating Temperature: 225

• Electrical Output: Switch

The FSW-9000 Series is a flow switch monitor that measures the velocity of the flow. It is ideal for use in measurement and control liquid applications. The FSW-9000 Series provides two output options: a 4 to 20mA analog output and a PNP/NPN output. For the 4 to 20 mA output, the electronics ’... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 4351

• Process Media Type: Liquid
• Media Temperature: 140

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
• Operating Pressure: 1000

• Process Media Type: Liquid
• Media Temperature: -20 to 300

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
• Operating Pressure: 5000

• Process Media Type: Liquid
• Media Temperature: 180

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
• Operating Pressure: ? to 145

• Process Media Type: Liquid; Gas
• Media Temperature: ? to 248

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
• Operating Pressure: 100 to 500

• Process Media Type: Liquid
• Media Temperature: 131

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
• Operating Pressure: 1000

• Process Media Type: Liquid
• Media Temperature: -20 to 200

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
• Operating Pressure: 5000

• Process Media Type: Liquid
• Media Temperature: 180

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
• Operating Pressure: ? to 145

• Process Media Type: Liquid
• Media Temperature: ? to 248

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
• Operating Pressure: 50 to 100

• Process Media Type: Liquid
• Media Temperature: 212

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
• Operating Pressure: 500 to 1500

• Process Media Type: Liquid
• Media Temperature: -20 to 275

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
• Operating Pressure: ? to 4350

• Process Media Type: Liquid; Gas
• Media Temperature: ? to 248

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
• Operating Pressure: 150 to 300

• Process Media Type: Liquid
• Media Temperature: 199

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
• Operating Pressure: 50 to 125

• Process Media Type: Liquid
• Media Temperature: 0 to 212

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
• Operating Pressure: ? to 4351

• Process Media Type: Liquid
• Media Temperature: ? to 248

The FSW-6000/7000 Series are thermal flow switch monitors designed to monitor flow status and also used to detect level of liquids, air and gas. A chain of 8 LED ’s gives the user a visual indication of the flow rate. In addition, there isalso a dichromatic LED, which shows the switch point... [See More]

• End Fittings: In-line Threaded
• Operating Pressure: 300

• Process Media Type: Liquid; Gas
• Media Temperature: 140

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
• Operating Pressure: 2000

• Process Media Type: Liquid
• Media Temperature: -30 to 300

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
• Operating Pressure: ? to 3625

• Process Media Type: Liquid; Gas
• Media Temperature: ? to 248

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
• Operating Pressure: 150

• Process Media Type: Liquid
• Media Temperature: 140

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
• Operating Pressure: 363

• Process Media Type: Liquid
• Media Temperature: -14 to 140

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
• Operating Pressure: ? to 232

• Process Media Type: Liquid; Gas
• Media Temperature: ? to 248

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
• Operating Pressure: 2000

• Process Media Type: Liquid
• Media Temperature: 302

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
• Operating Pressure: 1000

• Process Media Type: Liquid
• Media Temperature: -20 to 300

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
• Operating Pressure: 1000

• Process Media Type: Liquid
• Media Temperature: -20 to 250