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Variable Area Flow Meters

66 Products
Variable Area Flowmeters for Air, Water & Gas - Series DR

Direct Reading Glass Flowmeters are ideal for direct flow measurement of air, water, and other commonly used gases. Shipped completely assembled and includes mounting hardware.

Variable Area In-line Liquid Flow Meters

The FLMW and FLMH flowmeters can be installed in the fluid line without flow straighteners. The spring-and-piston type assembly protects them against changes in viscosity.

Flowmeter for Liquids, ± 2% Accuracy, Metal, 3000 psig, 1/4" to 1" Conn.

The Series DTFW Flowmeter for Liquids offers ±2% accuracy with durable metal construction, suitable for pressures up to 3000 psig. Available in various connection sizes.

PTFE Variable Area Flow Meters with PTFE Valves

The FL-3000 and FL-3100 flowmeters are designed for applications which involve corrosive or ultra-pure fluids. The meters are equipped with built-in PTFE needle valves.

Custom Mini-Master® Flowmeters for Gas/Liquid, High Chemical Resistance

Discover the Custom Mini-Master® Flowmeters, designed for gas and liquid applications. Durable, chemical-resistant construction ensures easy cleaning and precise readings.

In-line Flowmeters Capacity: 0.2 to 15 GPM for Water or Oil

The FL-6000A Series of general purpose flowmeters is designed to provide economical, accurate flow rate indication for oil and water and can be mounted in any position.

Stainless Steel Frame Industrial Variable Area Flow Meters

The FLD100 Heavy-duty flowmeters are fully enclosed in a brushed stainless steel case. Ideal for industrial applications with flow rates up to 116 GPM and 250 SCFM.

Durable In-Line Flow Monitors for Gases, Oil, or Water - Series HF

In-Line Flow Monitors are ideal for direct measurement for a range of compatible gases, oil, or water based liquids. Applications include pulp and paper and heating loop flow.

Nitrogen - Direct Read, Panel Mount Variable Area Flow Meters

Discover the Nitrogen Direct Read Panel Mount Flow Meters, designed for accurate flow measurement in various applications, ensuring reliability and ease of use.

Variable Area Flow Meter with Easy Tube Replacement for Flexible Field Use

The OMEGA's precision variable-area flow meters for air, water, and gases feature an easy-to-read millimeter scale and are supplied with correlation charts for air and water

Large Capacity In-line Variable Area Flow Meters

The FL-8000A Series of general purpose flowmeters is designed to provide economical, accurate flow rate indication for oil and water and can be mounted in any position.

In-line Variable Area Flow Meters

OMEGA's FL-6400A in-line flowmeters are designed for use with many caustic or corrosive fluids. These meters feature SS construction and can be mounted in any position.

Direct Read Acrylic Variable Area Flow Meter Kits

The FL-2500 Series direct read flow meter kits offer include seven interchangeable direct read scales for air, water, Argon, CO, Helium, Nitrogen and Oxygen.

Easy-View Flow Meters with Adjustable Flow Alarm

The FL9000-AC flowmeters are ideal for a wide range of flow monitoring applications. Additional features include an adjustable flow alarm externally mounted on the meter.

Pneumatic In-line Flowmeters With Multi-pressure Flow Scales

OMEGA's multi-pressure pneumatic flowmeters feature ananodized aluminum body design and easy installation. For air/compressed gas applications at pressures up to 1000 psig.

Heavy Duty Flowmeters With Stainless Steel Enclosures

The Omega FL900 series are heavy duty flowmeter with SS enclosures, unique float stop design allowing internals to be reomoved and replaced without disturbing the tube.

Water - Direct Read, Panel Mount Variable Area Flow Meters

Discover the Water Direct Read Panel Mount Variable Area Flow Meters, designed for easy flow measurement in various applications. Reliable and user-friendly for accurate readings.

Variable Area Flow Meter For Liquids

Made of PTFE, PFA, and PCTFE, the Model FL-10 liquid flow meter is excellent for high-purity flow applications or with corrosive liquids. Available with or without a valve.

Economical In-Line Variable Area Flow Meters

The FL-7000A Series of General purpose flowmeters is designed to provide accurate flowrate indication for oil and water. These flowmeters can be mounted in any position.

VA-K Flowmeter Kits with 150 mm Tubes, Floats & High Flow Valve

The Variable Area Flowmeter Kit is an affordable option that includes a flowmeter & three interchangeable flow tubes for air, water analysis, film processing, & pharmaceuticals.

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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