Variable Area Flowmeters

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About Flowmeters and Totalizers

Flowmeters measure the rate of flow for a liquid or a gas. Totalizers measure the cumulative flow volume. Flowmeter/totalizers display both the flow rate and the cumulative flow volume.

Flowmeters for Water

Measure the flow rate of water in your system.

Easy-to-Install Flowmeters for Water

Union nuts let you quickly install and disconnect these flowmeters from your system for maintenance.

Dual-Scale Flowmeters for Water

Measure the flow rate of water in both gallons and liters.

Easy-to-Install Dual-Scale Flowmeters for Water

For faster installation and disconnection than standard flowmeters for water, these flowmeters have union nuts on both ends.

Impact-Resistant Flowmeters for Water

A 304 stainless steel case protects these flowmeters from blows that could shatter the glass body.

High-Pressure Flowmeters for Water

Rated for pressures up to 3,500 psi.

Full-View Flowmeters for Water

The transparent body lets you inspect water color and clarity in addition to measuring the flow rate.

Easy-to-Install Full-View Flowmeters for Water

Union nuts on both ends make it easy to install and remove these flowmeters from your system.

Easy-Read High-Pressure Flowmeters for Water

For easier reading from a distance, these flowmeters have a prominent dial instead of a scale. They can withstand pressures up to 3,000 psi.

Panel-Mount Flowmeters for Water

Fittings on the back let you install these flowmeters in instrument panels.

Impact-Resistant Panel-Mount Flowmeters for Water

A rugged, impact-resistant case protects these flowmeters from damage.

High-Temperature Panel-Mount Flowmeters for Water

Rated for nearly double the temperature of standard panel-mount flowmeters for water, these can withstand up to 212° F.

Pipe-Mount Flowmeters for Water

Install these flowmeters without disassembling your pipeline. Drill a hole in an existing run of PVC pipe and secure the flowmeter with the included clamps.

Impact-Resistant Panel-Mount Flowmeters for Air

For protection against damage, these flowmeters have a rugged, impact-resistant case.

Panel-Mount Flowmeters for Air

For installation in instrument panels, these flowmeters have fittings on the back.

Flowmeters for Air

Measure the flow rate of compressed air.

High-Pressure Flowmeters for Air

Rated for at least six times the pressure of standard flowmeters for air, these can withstand pressures of at least 600 psi.

Easy-Read High-Pressure Flowmeters for Air

With a prominent dial instead of a scale, these flowmeters are easier to read from a distance than other high-pressure flowmeters for air.

Flowmeters for Inert Gas

The correlated scale and conversion charts let you use the same flowmeter for nitrogen, oxygen, argon, and helium.

Flowmeters for Oil

Measure the flow rate of hydraulic and motor oil.

High-Pressure Flowmeters for Oil

Designed for more than 10 times the pressure of standard flowmeters for oil, these are rated for pressures up to 3,500 psi.

High-Temperature Flowmeters for Oil

With double the temperature rating of standard flowmeters for oil, these can be used with oil up to 400° F.

Flowmeters for Water with Solids

Directly install these flowmeters in your pipeline. They can be used with water containing particles up to 1/8” in diameter.

Flowmeters for Oxygen

Calibrated, cleaned, and bagged for oxygen service, these flowmeters are commonly used for welding.