Positive Displacement Flow Meter

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Positive Displacement Flow Meter

Positive displacement flow meters are devices that are used to measure the flow rate of a substance, most commonly a fluid. The thing that sets positive displacement flow meters apart is that it utilizes mechanical components that are shifted by the flow of liquid in order to gauge the rate of the flow of that fluid.

These flowmeters measure the volumetric flow rate of a fluid, but they are capable of providing the volumetric flow rate of a gas as well. A common analogy is to think of filling a bucket of water and then replacing that bucket with another bucket while timing the rate the second bucket is filled, with this information you can determine the flow rate assuming that appropriate pressure and temperature compensations are met. Read More…Request for Quote

Positive Displacement Flow Meter Positive displacement flow meters are devices that are used to measure the flow rate of a substance, most commonly a fluid. The thing that sets positive displacement flow meters apart is that it utilizes mechanical components that are shifted by the flow of liquid in order to gauge the rate of the flow of that fluid.

Leading Manufacturers

Monterey, CA  |  800-866-0200

Sierra manufacturers high performance mass flow meters and controllers for nearly any gas, liquid or steam. Customers choose Sierra when they need an accurate and repeatable flow measurement, short delivery lead times, expert flow advice and long term support.

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Sierra Instruments $$$

Pittsburgh, PA  |  412-788-2830

KOBOLD Manufactures Innovative Instrumentation for Process Measurement and Control – International Leader with Decades of Experience and Knowledge – Comprehensive Line of Products for Flow, Level, Pressure, and Temp – and more.

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KOBOLD Instruments Inc. $$$

Sparta, NJ  |  888-722-3569

Turn to GPIMeters.com for top of the line flow meters. Our high quality solutions are very affordable and we will work with you every step of the way. We aim to exceed your expectations and our products will last for many years to come.

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GPImeters.com $$$

West Valley City, UT  |  800-316-5342

HydraCheck offers everything needed to service, maintain and troubleshoot hydraulic systems at prices you can afford. We manufacture and distribute diagnostic test kits, flow meters, pressure gauges, tachometers, etc.

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HydraCheck $$$

Sparta, NJ  |  888-463-7678

As flow meter manufacturers, John C. Ernst’s measurement equipment can be digital or mechanical, in addition to a variety of other types for different measurements of flow.

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John C. Ernst Co., Inc. $$$

Elizabeth City, NC  |  800-628-4584

We are committed to quality, and that shows in all our products and flow meters. Our customers expect the highest quality from us, which is why we promise to do the best job possible in all products from design to manufacturing!

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Hoffer Flow Controls, Inc. $$$
placeholder image Sierra Instruments KOBOLD Instruments Inc. GPImeters.com HydraCheck John C. Ernst Co., Inc. Hoffer Flow Controls, Inc.

The rate at which the mechanism is rotating is directly related to the flow rate of the fluid. There are two different categories within positive displacement flow meters, first sensor-only systems which offer additional capabilities, specifically an integrated user interface display, and transducers which provide electronic outputs for controllers, processors and data acquisition systems.

Both styles of positive displacement flow meters are highly accurate and can be used in applications that use dirty, corrosive, or even very viscous fluids. These meters are used in a number of different applications from chemical injection to hydraulic testing and other precision applications.

For each type of system there are specifications that you should pay attention to when shopping for the right flow meter such as minimum and maximum measureable flow rate, temperature range, operating pressure, connection size, percent accuracy, and maximum allowable material viscosity.

Having a better idea of what type of specifications your application requires is vital to finding the right positive displacement flow meter. We encourage you to find a trusted flow meter manufacturer to work with you. They can assist you in finding a flow meter that will best fit your application and improve the overall efficiency of your system by monitoring the flow right within that system.

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