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Variable Area Flow Meters

61 Products
Rotatable Flowmeters for Air/Water/Gases – Direct Read with Shield

Rotatable Scale Flowmeters are ideal for the direct flow measurement of air, water, and other commonly used gases. Features borosilicate glass tubes

Pneumatic In-Line Variable Area Flow Meters

This rugged direct-reading flowmeter monitors air flow rates to determine optimum performance, flow regulator settings, or pneumatic system performance.

IF Series Direct Reading Flowmeters for Water & Air (116 GPM, 250 SCFM)

Industrial Direct Reading Flowmeters are directly measure flow rates for water and for air service. Good for gas or liquid metering and industrial pneumatic or hydraulic systems.

In-line Flow Meters for Use with Water and Air

The FL-500 Series in-line flow meters feature rugged construction, easy installation and direct reading flow rates for water and air at atmospheric and 90 psi pressures.

Easy-view Flow Meters For Water and Oil

The OMEGA's FL-9000 EZ-View flowmeters provide accurate, in-line indication of oil or water flow rates at an economical cost and can be mounted with no straight pipe runs

Custom Multitube Flow Systems for Metering & Mixing, Up to 6 Tubes

The Multitube Flow System supports up to six flow tubes with varying capacities and patterns, suitable for multichannel metering, mixing, or monitoring.

Variable-Area Flowmeter for Gases, ± 5% Accuracy, Durable Aluminum, 3000 psig

Variable-Area Flowmeter for Gases measures gas flow rates. Applications include backflow prevention, heat exchangers, oil & gas equipment, and hydraulic equipment.

Direct Read Panel Mount Variable area flow meter

Discover the Direct Read Panel Mount Variable Area Flow Meter, featuring a compact design with dual scales for air and water, ensuring precise flow measurements.

Direct Reading Analog Display Flow Meters

The FL-W7100 Series uses a basic variable-area flowmeter design: a float and tapered tube. As a result, these meters have longer, linear scales and good pointer stability.

Direct Read In-Line Variable Area flow meter

The Direct Read In-Line Variable Area flow meter features a rugged PTFE design with dual rotatable scales for precise air and water measurements, ensuring accuracy and versatility.

Flow Rate Transmitter, 4-20 mA/0-5 Vdc, for Waste Water & Process Control

The Series HFT In-Line Transmitters offer reliable flow rate monitoring for waste water and process control, featuring versatile installation and rugged construction.

Glass Flowmeters for Air/Water, 1.5X Magnification, Durable, Industrial

High Flow Glass Flowmeter offers a solution to the problem of fluid flow indication at higher capacity levels. Designed to withstand even the harshest industrial applications.

Fluoropolymer Flowmeter for High-Purity Liquids, 0-10 Scale, Series VAT

Variable Area Fluoropolymer Flowmeters are ideal for high purity or corrosive liquid applications. Applications include chemical injectors and deionized water systems.

Easy-view Flow Meters For Water and Oil With Optional Alarm Modules

The FL-9000 Series flowmeter are rugged, low-cost direct reading industrial class flowmeters that are simple to install. They can be mounted in any position

Variable Area Flow Meters With Hi or Low Alarm

The 150 mm High/Low Alarm Flow Meter with Optical Sensor Switch is a noninvasive means for detection of a HI or LOW flow and is ideal for signaling an alarm or cutoff valve.

In-Line Variable Area Flow Meters for Water & Wastewater

The FL-500WW Series provides flowrate indication for 1 to 5% dilute aqueous chemical solutions used in the treatment of water and wastewater

In-Line Acrylic Variable Area Flow Meters

The FL46300 Series of liquid in-line flow meters offer handmade quality, combined with excellent accuracy and repeatability are machined of high quality acrylic rod stock.

Rugged, Economical Flowmeters Capacity: 0.2 to 90 GPM of Water

The FL-W Series of water flow monitors can be used with flows from 1 gph up to 90 gpm.

Fluoropolymer Flowmeters for High Purity & Corrosive Liquids, 0-10 Scale

All Fluoropolymer Flowmeters offer solutions for measuring flow rates of highly corrosive or ultra-pure liquids. Applications include chemical injectors and deionized water systems

Variable-Area Flowmeter for Liquids, ± 2% accuracy, metal, 3000 psig

Variable-Area Flowmeter for Oil measures oil rates. Comes calibrated for horizontal in line mounting. Go for heat exchangers, oil & gas equipment, and backflow prevention.

Variable Area Flow Meters

Variable Area Flow Meters support flow measurement, switching, control, or installation work in liquid, gas, air, water, and process systems. Products in this category span PTFE, PFA, and PCTFE liquid meters, acrylic variable area kits, inline meters with limit switches, easy-view water and oil meters, multi-tube and gas proportioning meters, acrylic air and water meters, oxygen direct-read panel meters, and meters with valves or alarm modules.

Applications include laboratory gas flow, oxygen panels, water and oil flow indication, high-purity chemical lines, corrosive liquid measurement, process sampling, gas blending, purge flow, and local visual flow checks. Products represented in the source data include Omega Engineering and Dwyer Instruments.

Applications include:

  • Read flow visually from a float position
  • Measure compatible liquids, gases, air, water, and oxygen
  • Use acrylic, PTFE, PFA, PCTFE, or panel-mount construction
  • Add valves, limit switches, alarms, or multi-tube assemblies
  • Support laboratory, process, and gas proportioning work
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