Flow

Controllers, Fittings, Indicators, Monitors, Orifice Plates, Sensors, Switches, Totalizers, Transmitters, Water Meters, and Accessories for Flow

Mass Flowmeters and Controllers

Sensors that indicate flow rate for low flow systems

Series DMF Digital Mass Flow Controller Programmable, RS485 Interface, Up To 500 psig, ±1% Accuracy Program, record, analyze, and control flow rates of various gases with Series DMF Digital Mass Flow Controller. Controllers are designed with straight tube sensors with restrictor flow elements to ensure laminar gas flow for accurate and repeatable results.	Series GFC Gas Mass Flow Controllers Flow Range Up to 1000 L/min, Pressures Up to 1000 psi, NIST Traceable Provides high accuracy and repeatability Flow rates are virtually unaffected by temperature and pressure variations Utilizes an electromagnetic valve and PID electronics to maintain continuous control by comparing measured sensor signal set to flow rates	Series GFM Flow Range Up to 1000 L/min, Pressures Up to 500 psi, NIST Traceable Combine a straight tube sensor with a restrictor flow element to provide high accuracy and repeatability. Flow rates are virtually unaffected by temperature and pressure variations. Actual gas flow is displayed in engineering units on a 3-1/2 digit, 90° tiltable LCD readout. Units can be used with Series GFT Flow Totalizer for applications requiring totalization.
Series GFM2 Gas Mass Flow Meter ±1% FS, Programmable Relays Utilizes a straight tube sensor with a restrictor flow element to provide a high ±1% FS accuracy and ±0.25% FS repeatability Gas flow can be displayed in 23 different engineering units on an optional 2x16 character LCD display with internal conversion factors for up to 32 gases	Series GFM3 Gas Mass Flow Meter Flow Monitoring, Push-Button Configuration This digital flow meter features a 12-digit totalizer for total gas volume indication, and is available in the choice of 0 to 5 VDC, 0 to 10 VDC, or 4 to 20 mA output signals. Standard LCD and four button keypad allows easy access to the many features of the GFM3.	Series GFM4 Gas Mass Flow Meter Pressure, Temperature and Flow Monitoring This multi parameter flow meter supports various functions such as flow totalizer, flow, temperature, and pressure alarms, and is available in a choice of 0 to 5VDC, 0 to 10VDC, or 4 to 20 mA output signals. Standard LCD and four button keypad allows easy access to the many features of the GFM4.

Flow Sensors

Sensors for measuring flow rate.

Series DS

In-Line Flow Sensors

Use with the Dwyer® Differential Pressure

Gages or Transmitters

Are two Series of averaging Pitot tubes for compatible gases and liquids that provide accurate and convenient flow rate sensing, for schedule 40 pipe, when purchased with suitable differential pressure gage with appropriate range.
The Series DS-300 Averaging Flow Sensors are designed to be inserted in the pipeline through a compression fitting and available for pipe sizes from 1 to 10" (2.5 to 25.4 cm).

Sight Flow Indicators

Local visual indicators of flow rate.

Series SFI-100 & SFI-300 MIDWEST Sight Flow Indicator Inexpensive Protection for Expensive Equipment and Systems Manufactured of quality materials and safety tested to assure long, dependable service at economical prices. The 100 and 300 Series offer threaded process connections, viewing windows, and bodies of brass or 316 SS. The 100 type has a single window with a rotating impeller, the 300 type has a double window with a rotating impeller	Series SFI-300F MIDWEST Sight Flow Indicator Inexpensive Protection for Expensive Equipment and Systems Manufactured of quality materials and safety tested to assure long, dependable service at economical prices. The 300F Series offer ANSI flange process connections, double viewing windows, and bodies of carbon steel or 316 SS. The 350F type has a double window with no moving indicator and the 360F type has a double window with a flapper.	Series SFI-400 MIDWEST Sight Flow Indicator Inexpensive Protection for Expensive Equipment and Systems Manufactured of quality materials and safety tested to assure long, dependable service at economical prices. The 400 Series offer threaded or ANSI flanged process connections, tube style viewing, and bodies of cast iron or 316 SS. Featured in the 400 is glass tube construction offering easy flow viewing from any angle.
Series 500 Sight Window Shows Level or Contents of Tanks, Pipelines; Tempered, Replaceable Glass Window Tough, tempered glass window resists chemical attack and abrasion. Seamless gasket assures perfect seal and is easily field replaceable. In addition to the standard brass body, Model 500 Sight Windows are also available in carbon steel or 316 stainless steel to suit a wide range of chemical compatibility.	Series 550 Sight Window Shows Level or Contents of Tanks, Pipelines; Fused Glass and Steel Construction Fused glass style sight windows feature glass to metal bond for utmost reliability. Plated steel bodies have convenient hex wrench surfaces. Connections are standard NPT in sizes from 1/4" to 2". Windows are clear, ripple free, and flush with the front face, having no recess on which dirt might collect.	Series SFI-700 MIDWEST Sight Flow Indicator Inexpensive Protection for Expensive Equipment and Systems Manufactured of quality materials and safety tested to assure long, dependable service at economical prices. The 700 Series offer threaded process connections, tube style viewing, and bodies of brass or 316 SS. Featured in the 700 is a bright red Acetal rotating impeller that is easy to view from any angle with the glass tube construction.

Flow Indicators / Controllers

Remote flow indicators and controllers for use with flow transmitters.

Series APM Analog Panel Meter

Multi-Pump Alternation Control, Open-Channel Flow, Rate and Totalizer

Three levels of password protection
Math functions for flow & round horizontal tanks
32-point linearization, square root or programmable exponent
Multi-pump alternation control
Rate displayed as units per second, minute, hour, or day
Total, grand total or non-resettable grand total

Series MPM Multi Panel Meter

1/8 DIN, Dual-Line 6-Digit Display, Multi-Pump Alternation Control

Three levels of password protection
Math functions for flow & round horizontal tanks
32-point, square root or exponential linearization
Multi-pump alternation control
Two or four relays & isolated 4 to 20 mA output options
External 4-relay & digital I/O expansion modules

Series PPM Pulse Panel Meter

1/8 DIN, Dual-Line 6-Digit Display, Flow Rate and Totalizer

Unique, rugged, NEMA 4X front panel design that makes it nearly impenetrable in typical applications.
The weatherproof, UV resistant, large, dual line display allows for more information, making it easier to read and simpler to program.
The intensity of the display can be adjusted allowing this meter to be utilized in dark rooms as well as outdoors, due to its sunlight readable display.

Turbine, Adjustable Insertion

Turbine sensors with electrical transmission output for remote indication of liquid flow rate. Adjustable insertion length models.

Series TFP-LI Liquid Turbine Flow Meter PPS Body, 0 to 5 VDC Output, LCD Indication Suitable for a wide variety of industrial, commercial, and laboratory flow applications. These meters utilize a turbine wheel and electro-optical detection to convert flow rates into a linear 0 to 5 VDC output signal for recording and data logging. A 3-1/2 digit LCD informs the user of the actual flow rate.	Series TFP-GI Gas Turbine Flow Meter PPS Body, 0 to 5 VDC Output, LCD Indication Suitable for a wide variety of industrial, commercial, and laboratory flow applications. These meters utilize a turbine wheel and electro-optical detection to convert flow rates into a linear 0 to 5 VDC output signal for recording and data logging. A 3-1/2 digit LCD informs the user of the actual flow rate.	Series TFM-LI Liquid Turbine Flow Meter 316SS Body, 0 to 5 VDC Output, LCD Indication Suitable for a wide variety of industrial, commercial, and laboratory flow applications. These meters utilize a turbine wheel and electro-optical detection to convert flow rates into a linear 0 to 5 VDC output signal for recording and data logging. A 3-1/2 digit LCD informs the user of the actual flow rate.
Series TFP-LP Liquid Turbine Flow Meter PPS Body, 0 to 5 VDC and Pulse Outputs Suitable for a wide variety of industrial, commercial, and laboratory flow applications. These meters utilize a turbine wheel and electro-optical detection to convert flow rates into a linear 0 to 5 VDC output signal for recording and data logging. Couple this unit with a Series TM2 Flow Totalizer for a remote flow monitoring display.	Series TFP-GV Gas Turbine Flow Meter PPS Body, 0 to 5 VDC Output Gas Flowmeters utilize a turbine wheel and electro-optical detection to convert flow rates into a linear 0 to 5 VDC output signal for recording and data logging. A power adapter or mating cable assembly is required for operation. Corrosion resistant PPS body High repeatability with patented microturbine design	Series TFM-LP Liquid Turbine Flow Meter 316SS Body, 0 to 5 VDC and Pulse Outputs Liquid Flowmeters utilize a turbine wheel and electro-optical detection to convert flow rates into a linear 0 to 5 VDC and pulsed output signal for recording and data logging. A power adapter or mating cable assembly is required for operation Rugged 316 SS body High repeatability with patented microturbine design

Turbine, In-Line

Shuttle, differential pressure, and calorimetric sensors with electrical transmission output for remote indication of liquid flow rate. Flow through in-line models.

Series HFT In-Line Flow Transmitters Local Flow Indication, Unrestricted Mounting, 4 to 20 mA, 0 to 5 V, and 1 to 5 V Output Provides analog output to monitor application flow and integral direct reading scale to provide local indication of flow rate Increased application versatility with no inlet or outlet straight plumbing requirement and can be mounted horizontally, vertically, or inverted	Series CAM Compressed Air Meter Steady-State and Cumulative Totals PNP/4-20 mA Output Operates by the calorimetric measuring principle to detect the standard volume flow of operating compressed air. It is designed specifically to evaluate the current flow rate and the current consumed quantity in compressed air systems. This unit offers a quick, accurate readout.	Series TTMP PVC Electronic Totalizing Meter Batch or Cumulative Totals, Easy-to-Read LCD Display Compact modular design ideal for easy portability Easily alternate display from flow rate, batch or cumulative totals in one low cost unit Easy to read LCD display provides instantaneous local indication Included batteries featuring a 5 year life span with no added costs
	Series TTMS Metal Electronic Totalizing Meter Batch or Cumulative Totals, Easy-to-Read LCD Display Compact modular design ideal for easy portability Easily alternate display from flow rate, batch or cumulative totals in one low cost un Easy to read LCD display provides instantaneous local indicatio Included batteries featuring a 5 year life span with no added cos

Paddlewheel, Adjustable Insertion

Rotating paddle sensors with electrical transmission output for remote indication of liquid flow rate. Adjustable insertion length models.

Series PFT

Paddlewheel Flow Sensor

Non-Magnetic Sensing, Insertion Style for 1-1/2 to 40" Pipe, Pulse or 4 to 20 mA

Bearings and shaft offer excellent wear protection even in applications with particulate for long life
Weatherproof and submersible rated for irrigation applications
One unit adjustable over a large pipe size range
Multiple wetted material choices offer application versatility
Integral 4 to 20 mA output with no need for additional external components

Series IPFS

Paddlewheel Flow Sensor

Hot-Tap Option, Field Adjustable Insertion, Wide Flow Range

Available for pipe sizes ranging from 3" to 40" and available in brass, PVC or stainless steel.
The Series IPFS has an available hot tap model with a bronze or stainless steel valve assembly.
The bearings are made from ruby jewel to reduce the coefficient of friction and maintain high accuracy.
The Series IPFS can be purchased with a variety of saddle fittings, Series SDF, that comes in iron or brass.
The Series IPFS is good for large pipe and clean water applications.

Paddlewheel, Fixed Insertion

Rotating paddle sensors with electrical transmission output for remote indication of liquid flow rate. Fixed insertion length models.

Series PDWS Paddlewheel Flow Sensor

Low Friction Bearings, Long Life

Designed for pipe size ranges from 1/2 to 8" with available materials of brass, stainless steel, PVC, and polypropylene.
The Series PDWS is intended to be used with the Series PWF, a wide variety of custom tee, saddle, or welded fittings that come in bronze, PVC, and stainless steel.
The bearings are made from ruby jewel to reduce the coefficient of friction and maintain high accuracy

Series PWF Fittings and Tees

Saddles, Tees, and Weld/Braze Fittings for Series PDWS

Used with the Series PDWS Insertion Paddlewheel Flow Sensors. The Series PWF allows for accurate sensor insertion of the Series PDWS in a wide range of pipe sizes.
These fittings and tees are available in bronze, 304 SS, 316 SS, and PVC, further expanding application prospects.
Multiple end connections are available to allow for easy installation in a variety of applications

Paddlewheel, In-Line

Rotating paddle sensors with electrical transmission output for remote indication of liquid flow rate. Flow through in-line models.

Series DFMT Digital Paddlewheel Flow Transmitter Flow and Total Indication, Easy to Read LCD Display, 4 to 20 mA or Pulse Output The large backlit LCD display defines instantaneous as well as cumulative flow with visual indication bar designating percent of max flow Long operation life with high accuracy paddlewheel technology and corrosion resistant PVDF sensor	Series DFMT2 Digital Paddlewheel Flow Transmitter Flow and Total Indication, Easy to Read LCD Display, Remote Indication Two piece design allows the user to separate the control display from the application, making it ideal in areas where space is limited The large backlit LCD display defines instantaneous as well as cumulative flow with visual indication bar designating percent of max flow	Series DPW Digital Paddlewheel 1% FS, Flow and Optional Temperature Readings, Programmable Output Jewel bearings allow for smooth rotation with minimal wear and low flow monitoring capability Rugged, chemical resistant PVDF lower block material ensures high reliability and longevity for use in harsh environments User-friendly interface allows for easy manipulation
Series SFI-100T Sight Flow Indicator/Transmitter Output for Flow Rate and Totalization Constructed of a robust, solid brass body and a tempered glass window Bright red impeller yields great visual indication of flow through the window Front window can be easily unscrewed to clean out the sight flow indicator Ideal for outdoor applications	Series SF Sight Flow Transmitter ±2% FS Accuracy, 4 to 20 mA Output, Pressure up to 500 psig (34 bar) Integrates tangential turbine technology with hermetically sealed circuitry to provide accurate flow measurement and control in the harshest environments 2-wire loop-powered design transmits a 4 to 20 mA signal proportional to flow rate for remote flow monitoring	Series SF2 Sight Flow Meters SPDT or Pulse Output, Visual Flow Confirmation, Brass Body Brass, solid body construction, one piece composite rotor, and ceramic shaft delivers durability with broader chemical, temperature, and pressure capabilities Set points are fully adjustable over the specified flow range The dynamic operation of the rotor guards against jamming and false actuation
	Series SFI-800 Sight Flow Indicator/Transmitter Low Cost, Optional Output for Flow Rate and Totalization, UV Stabilized Polycarbonate Model Constructed of clear plastic enabling 360° viewing of the rotor for easy flow indication SFI-800 models are constructed of Polysulfone with excellent chemical compatibility, high pressure and temperature ratings, and all wetted materials are FDA/NSF ratable

Electromagnetic, In-Line

Electromagnetic sensors with electrical transmission output for remote indication of liquid flow rate. Flow through in-line models.

Series MFS2

Magnetic Inductive Flow Sensor

Lower Cost PVDF Design, Frequency Output, ±1% Accuracy, Maintenance-Free

Compact, lower cost plastic alternative to the Series MFS.
Unlike sensors with moving parts, the MFS2 can be used in applications dealing with contaminated media.
This series provides a reliable measuring technique, an obstruction free pipe cross-section, as well as a quick response time, making this series ideal for interference free operation.

Series MFS2

Magnetic Inductive Flow Sensor

Lower Cost PVDF Design, Frequency Output, ±1% Accuracy, Maintenance-Free

No moving parts
No mechanical wear
Maintenance-free
Can be applied in applications dealing with contaminated media with no mechanical component in the flow
Obstruction free pipe cross-section yields low pressure drop

Series FLMG Flanged

Electromagnetic Flow Sensor

No Moving Parts, Minimal Straight Pipe Requirement, Unobstructed Flow

Long life cycle and less frequent maintenance with no moving parts to wear or break and electrodes that discourage fouling
Minimum space requirement between the meter and a pipe elbow
Rate and total indication are standard on large LCD display
Obstruction free pipe cross-section yields low pressure drop

Electromagnetic, Adjustable Insertion

Electromagnetic sensors with electrical transmission output for remote indication of liquid flow rate. Adjustable insertion length models.

Series IEFS Insertion Electromagnetic Flow Sensor

No Moving Parts, Hot-Tap Option, 3 to 48" Field Adjustable Insertion

Long life cycle and less frequent maintenance with no moving parts to wear or break and electrodes that discourage fouling
Unaffected by change in temperature, density, viscosity or concentration
Pulse output for use with a variety of displays and controllers for remote reading
Easy meter mount display and transmitter accessories for local indication and analog 4 to 20 mA output

Electromagnetic, Fixed Insertion

Electromagnetic sensors with electrical transmission output for remote indication of liquid flow rate. Fixed insertion length models.

Series EFS2 Insertion Electromagnetic Flow Sensor

No Moving Parts, Durable, Easy Installation & Maintenance

Long life cycle and less frequent maintenance with no moving parts to wear or break and electrodes that discourage fouling
Unaffected by change in temperature, density, viscosity or concentration
Pulse output for use with a variety of displays and controllers for remote reading
Easy meter mount display and transmitter accessories for local indication and analog 4 to 20 mA output

Ultrasonic

Ultrasonic sensors with electrical transmission output for remote indication of liquid flow rate.

Series PUB Portable Ultrasonic Flowmeter Kit Portable and Non-Invasive Utilize the transit-time difference for measuring flow rates in pipes non-invasively. They are compact and lightweight instruments incorporating the latest electronics and signal processing technologies, realizing high performance and easy operation. These devices are perfect for on-the-go flow monitoring, capable of 20 hours continuous operation with built-in, rechargeable battery.	Series PUF Portable Ultrasonic Flowmeter Kit Portable, Non-Invasive and Data Logging Capability Two sensors are placed on the exterior of the pipe, and each transmits an ultrasonic pulse through the pipe and fluid to the other. The velocity of the liquid flowing through the pipes causes the pulse to accelerate or decelerate. The difference in the transit times of the two pulses is used to calculate the flow rate.	Series TUF Ultrasonic Energy Meter Energy Monitoring Capability, No Moving Parts, Compact and Light Weight Lower maintenance costs with local parameter display and no moving parts Serial communication output allows for easy transfer of data Flow and temperature monitor in one unit eliminates the need for multiple units
Series UFB Ultrasonic Flowmeter Set Excellent Performance and Easy Operation Utilizes the transit-time difference for measuring flow rates in pipes non-invasively. This is the permanent model, allowing the user to mount the converter on a surface or pipe. FB comes with a sturdy IP65 rating, protecting it from dust and direct water contact. The Series UFB has 4 to 20 mA and pulse output capabilities.	Series UFC Ultrasonic Flowmeter Set Excellent Performance and Data Logging Capability This is the permanent model, allowing the user to mount the converter on a surface or pipe and easily clamp on the sensors and guide bar. The easy-to-use compact and lightweight design is intended for mechanical devices using ideally homogeneous liquids that contain no air pockets. The Series UFC comes with a sturdy IP65 rating, protecting it from dust and direct water contact.	Model UFM Compact Ultrasonic Flowmeter Cost Effective, Compact & Adjustable Design, Non-Invasive Non-invasive pipe measurement Simple installation with all necessary components included such as converter, sensor, cables and mounting accessories Compact and lightweight design, featuring an easily installed, all in one clamp-on unit intended for homogeneous liquids that contain no air Screen offers easy to read text displaying both flow rate and total with a convenient backlight for visual comfort

Adjustable Insertion, Fittings

Fittings for insertion flow transmitter products.

Series EFF

Fittings and Tees

Saddles, Tees & Weld/Brass Fittings for Series EFS2

The Series EFF allows for accurate sensor insertion of the Series EFF in a a wide range of pipe sizes.
These fittings and tees are available in bronze, 304 SS, 316 SS, and PVC, further expanding application prospects.

Series EFF

Fittings and Tees

Saddles, Tees & Weld/Brass Fittings for Series EFS2

The SERIES EFF Fittings and Tees are used with the Series EFS2 Insertion Electromagnetic Flow Sensors.
The Series EFF allows for accurate sensor insertion of the Series EFF in a a wide range of pipe sizes.
These fittings and tees are available in bronze, 304 SS, 316 SS, and PVC, further expanding application prospects.

Accessories

Accessories for flow transmitter products.

Series BAT Blind Analog Transmitter Converts Pulse Frequency to 4 to 20 mA, Loop Powered Easy to set up and can be either wall or meter mounted Takes a pulse frequency output from the compatible flow meters and converts it into a continuous 4 to 20 mA analog output signal	Series FPCA Flow Power/Controls Accessories Power Supplys & Mounting Options for Series BAT, RTI, PWD, IPFS, TBS, FLMG, PDWS, EFS2, IEFS, IPFS Include mounting kits, power converters, and power supplies for compatible flow meters. These accessories simplify installation by offering meter and wall mounting options.	Series PWD Pulse Divider Divides Pulses from 0 to 9999, Easily Adjustable Rotary Switches Designed for pacing electronic metering pumps. The enclosed rotary switch setting mechanism can be manually set to any number from 0 to 9999 pulses. Once the divider has received the set number of pulses from the meter, it outputs one pulse to stroke the pump.
	Model SPK Solar Panel Kit Reliable 5 Watt Solar Panel for Remote Applications or Back-Up Power The SPK is intended for use with a standard 12V, 22 to 33 amp-hour sealed lead acid battery (not included). It comes standard with a charge controller and corrossion-resistant mounting hardware. The SPK can also be used to provide up to a 40-day back-up power supply for periods of darkness.