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Variable Area Flowmeters & Switches


Measure the flowrate of liquids and gases, variable area flow meters have a linear scale, a relatively long measurement range, and low pressure drop. They are simple to install and maintain.

FSW-6000 and FSW-7000 Series
FSW-6000 and FSW-7000 Series
Thermal Dispersion Flow Switches
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FST-200 Series
FST-200 Series
Thermal Flow Switches for Liquids
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FST-320
FST-320
Thermal Flow Switches for Gases
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FSW301
FSW301
Trim to size Paddle Flow Switch
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Technical Reference Material
Technical Reference Material
Variable Area Flowmeters Information
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FSW300 Series
FSW300 Series
In-Line Flow Switches, PVC or Brass
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FL-2000
FL-2000
Water and air Variable Area Flow Meters
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FLR1000
FLR1000
Air/Water Flow Sensors With 0 to 5 Vdc Output
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FTB790 Series
FTB790 Series
Turbine Flowmeters with Local Digital Display
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Mini-Master® Flowmeter
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FL-1,2,3,4,5,6,7,8GP
FL-1,2,3,4,5,6,7,8GP
Multi-tube Variable Area Flow Meters/Gas Proportioning Variable Area Flow Meters
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FL-1600
FL-1600
Heavy Duty Industrial Variable Area Flow meters - Capacity: 0.2 to 23.7 l/m of Water; 6 to 729 slm of Air
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FL-2500
FL-2500
Variable Area Flow meter with or without needle valve
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FL-3000SA Series
FL-3000SA Series
PTFE Variable Area Flow meters with Valves
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FL-3600 FL-3700 FL-3800 FL-3900
FL-3600 FL-3700 FL-3800 FL-3900
65 MM AND 150 MM VARIABLE AREA FLOW METERS
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FL-500
FL-500
In-line Flow meters for Water and Air
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FL-6000A Series
FL-6000A Series
Economical In-line Flowmeters Capacity: 0.8 to 57 litres/min for Water or Oil
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FL-7000A Series
FL-7000A Series
Economical In-line Flowmeters
0.8 to 114 litres/min for Oil or Water

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FL-86 Series
FL-86 Series
All Plastic Variable Area Flow meters
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FL2AA Series
FL2AA Series
Multiple Tube Variable Area Flow Meters
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FL30000
FL30000
Economical Flowmeters For Measuring Water In a Closed Pipe System
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FL3200, FL3300, FL3400, FL3500 Series
FL3200, FL3300, FL3400, FL3500 Series
65 AND 150 mm Variable Area Flow meters
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FL45100
FL45100
In-line Flowmeters With Half Union Adaptors - Discontinued
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FL50000A
FL50000A
Panel Mount Flowmeters - Discontinued
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FLD Series
FLD Series
Variable Area Flow Meters for gas
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FLMG Series
FLMG Series
Variable Area In-line Pneumatic Flowmeters
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FLR D Series
FLR D Series
Flowmeter with Digital Display and Analogue Output
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FLT Series
FLT Series
ACCESSORY FLOWTUBES For Use with FL-3000 Series Variable Area Flow meters, Multitube Assemblies and Gas Proportioners
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FMA-1600A
FMA-1600A
Mass and Volumetric Flow sensor - Order online
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FPR-1500
FPR-1500
PTFE Liquid Flow Sensors  - Discontinued
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FPR301, FPR302, FPR303, FPR304
FPR301, FPR302, FPR303, FPR304
Low Flow Polypropylene and TFE Liquid Flow sensor
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FSW-120 Series
FSW-120 Series
Mini Plastic Flow Switches
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FSW-130 Series
FSW-130 Series
Mini Brass Flow Switches
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FSW-140 Series
FSW-140 Series
Industrial Strength In-Line Plastic Flow Switches
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FSW800B
FSW800B
Compact Fan and Filter Fan Air Flow Monitor
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FTB4605 FTB4607
FTB4605 FTB4607
Pulse Output Water Flow Sensors
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FTB600B Series
FTB600B Series
All Plastic Flow sensor for Low to Medium Flows
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LVCN-141, LVCN-131
LVCN-141, LVCN-131
Flow Switch Remote Controller
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Pneumatic Air Line Fittings for Metric and Standard Tubing
Pneumatic Air Line Fittings for Metric and Standard Tubing
 - Discontinued Push-to-Connect Pneumatic Airline Fittings, Quick Connect and Disconnect Fittings for Airline Tubing
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FSW-25
FSW-25
Trim to Size Paddle Type Liquid Flow Switch
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FL-10 Series
FL-10 Series
Variable Area Flow Meter for Liquid Flow
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FPR-200 Series
FPR-200 Series
Liquid Flow Transmitters With Visual Indication
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FST-200-R and FST-300-R
FST-200-R and FST-300-R
Flow Switch With Compact Relay Controller
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Fl-1200 Series
Fl-1200 Series
Economical Purge Variable Area Flow Meters  - Discontinued
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FL-1500A
FL-1500A
 - Discontinued High Accuracy Variable Area Flow Meters
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FL-5000
FL-5000
Glass Tube Flowmeters
E-Z Tube Change With Magnifying Front Shield

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FL-500UP
FL-500UP
In-line Flowmeters for Ultra-pure Water
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FL-500WW
FL-500WW
In-line Flowmeters for water and wastewater treatment
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FL-6400
FL-6400
Economical In-line Flowmeters
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FL-6900, FL-7900 and FL-8900
FL-6900, FL-7900 and FL-8900
Pneumatic In-line Flowmeters With Multi-pressure Flow Scales
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FL-75
FL-75
Low Cost Industrial Variable Area Flow Meters With Capacities: 0.5 to 200 GPM of Water
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FL-8100A and FL-8300A
FL-8100A and FL-8300A
Large Capacity In-line Flowmeters - Capacities: 3 to 150 GPM of Water/3 to 150 GPM of Oil
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FL-X3
FL-X3
Flow Monitors for Corrosive or Ultrapure Fluids
Capacities: 0.5 to 7 GPM of Water

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FL4000 Series
FL4000 Series
OEM Style Acrylic Variable Area Flow Meters
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FL500-R
FL500-R
Proximity Switches for Use With FL-500 Series Flowmeters
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FL600
FL600
Stainless Steel Frame Flowmeters
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FL7000 Series
FL7000 Series
OEM Style Acrylic Variable Area Flow Meters
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FL900
FL900
Heavy Duty Flowmeters With Stainless Steel Enclosures
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FLC Series
FLC Series
Clear In-Line Flowmeters
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FLCN-101
FLCN-101
Flow Alert Single Sensor Controller
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FLD100 Series
FLD100 Series
Stainless Steel Frame Industrial Flowmeters
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FLD1000 and FLD2000 Series
FLD1000 and FLD2000 Series
Direct Read In-Line and Panel Variable Area Flow Meters
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FLK-2000-SERIES
FLK-2000-SERIES
Acrylic Variable Area Flow Meters For Air or Water
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FLSW3400-A and FLSW3500-A Series
FLSW3400-A and FLSW3500-A Series
Variable Area Flow Meter with Alarm
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FSW-160
FSW-160
Paddle Flow Switch
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FSW-21 and  FSW-22
FSW-21 and FSW-22
Trim-to-size Paddle Type Switches for ‘flow/no Flow’ Detection for Piping Systems 1¼" and Up
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FSW-30A, FSW-31A and FSW-32A
FSW-30A, FSW-31A and FSW-32A
Industrial Flow Switches From 0.12 to 70 GPM Non-magnetic - ideal for Rusty Water
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FSW-40A and FSW-50
FSW-40A and FSW-50
Industrial Flow Switches - From 2 to 15 Feet/second
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FSW500 Series
FSW500 Series
Flow Switches for Threaded Plastic Piping  - Discontinued
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FSW530 Series
FSW530 Series
Liquid Micro-Flow Switches
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HFP Series
HFP Series
Digital Hydraulic Tester
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V4-SERIES
V4-SERIES
V4SS2U FLOTECT FLOW SWITCH STAINLESS STEEL, SPDT UNIVERSAL STOCK VANE
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FLMH and FLMW Series
FLMH and FLMW Series
Variable Area In-line Liquid Flowmeters
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FL-W Series
FL-W Series
Rugged, Economical Flowmeters Capacity: 0.2 to 90 GPM of Water
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FL9000-AC Series
FL9000-AC Series
Easy-View Flow meters with Adjustable Flow Alarm
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