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Venturi Flow Meter Manufacturers and Suppliers

IQS Directory provides a detailed list of venturi flow meter manufacturers and suppliers. Find venturi flow meter companies that can design, engineer, and manufacture venturi flow meters to your specifications. Peruse our website to review and discover top venturi flow meter manufacturers with roll over ads and complete product descriptions. Connect with the venturi flow meter companies through our hassle-free and efficient request for quote form. You are provided company profiles, website links, locations, phone numbers, product videos, and product information. Read reviews and stay informed with product news articles. Whether you are looking for manufacturers of turbine flow meters, peak flow meters, or ultrasonic flow meters of every type, IQS is the premier source for you.

  • Monterey, CA 831-373-0200

    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. When it matters, choose Sierra. Visit www.sierrainstruments.com.

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  • West Valley City, UT 800-316-5342

    Since 1990, HydraCheck has operated with the objective of supplying maintenance technicians with the tools they need to accomplish their job safely and effectively. That is why we offer some of the very best flow products in the industry. Our line of inline flow meters and flow meter test kits come equipped with a variety of features, and they come in a variety of configurations. For your hydraulic component and system testing needs, Hydra-Check offers the best of the best!

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  • Orangeburg, NY 800-866-3837

    Aalborg Instruments & Controls is a globally recognized manufacturer of precision instrumentation for flow measurement and control. We offer variable area flow meters, thermal mass flow controllers, and more. Since our founding in 1972, it has been our commitment to develop, produce and deliver the highest quality products and services, as well as consistently meet or exceed customer requirements. We are ISO 9001:2015 certified.

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  • Concord, CA 925-687-8363

    Various industries have stringent flow measurement and flow regulation requirements. We make it our goal to know the best features for venturi flow meters depending on the application. Whether your business is in the fuel or chemical industry, our team has the knowledge and the expertise to help you find the venturi flow meter you are looking for. A complete list of our capabilities can be found on our website. Contact us today to get started!

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  • Kent, WA 800-975-8153

    SeaMetrics, a flow meter manufacturer, produces turbine flow meters, paddle wheel flowmeters, insertion flow meters, low-flow meters, water flowmeters, pulse flowmeters, flow sensors and electronic controls.

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  • Blythewood, SC 803-714-2000

    Spirax Sarco is a provider of flow meters and hydraulic valves. We have a range of capabilities including flow meters that are suitable for measuring saturated and super-heated steam with pressures up to 2900 psig and temperatures up to 842 degrees Fahrenheit.

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  • More Venturi Flow Meters Companies

businessIndustry Information

Venturi Flow Meters

Venturi flow meters are a type of flow meter, which is any device used to measure the volumetric, mass, linear or nonlinear flow rate of a liquid or gas. Venturi flow meters operate according to the Venturi effect, which cites the phenomenon of fluid dynamics that is the reduction of a fluid’s pressure when it flows through a constricted pipe. To determine the flow rate of a fluid within a system, they use a differential pressure measurement. The relative ease with which venturi flow meters are operated and interpreted makes them popular for use with quite a lot of commercial and industrial applications. The applications of flow meters are manifold, but venturi flow meters in particular are most commonly used in applications involving oil, propane and flowing water and in plumbing applications. They are also often used as the primary standard for flow calibration. Less commonly, they are used to measure the flow rate of gaseous fluids.

There are many other flow meters available, such as water flow meters, air flow meters, peak flow meters, ultrasonic flow meters and fuel flow meters. However, because venturi meters are frequently preferred over many of these, because they boast so many advantages; venturi flow meters are praised for the superior and exceptional accuracy of their measurements, especially as compared to other flow meters. They are also marked by longevity, reliability and versatility; the former two qualities can be accredited to their lack of moving parts and the relative simplicity of their design.

Venturi flow meters, or venturi meters, consist of a number of parts, which include a venturi tube and two pressure measurement devices. The venturi tube itself is a complex tube, made up of an entry cone, a small diameter tube and an exit cone. To generate the Venturi effect, manufacturers place the venturi tube inside a pipeline system, where it causes the diameter of the pipeline to slowly but surely decrease, until it has shrunk to the diameter of the small tube. It reaches this diameter right as the fluid arrives at and passes through the entry cone. As the fluid flows out of the small tube and into the exit cone, the pipeline is gradually restored to its original diameter. The two pressure measurement devices, or sensors, of the venturi meter are respectively located along the system before the constricted pipe and inside the small diameter tube in the venturi tube. As it operates, the venturi tube generates a quantifiable differential pressure between these two locations. In other words, when the fluid passes through this constricted tube, it is forced to decrease the pressure with which it moves. This change in pressure is known as differential pressure. The two pressure sensors measure this differential pressure. By plugging the measured pressure into a complex formula called the Bernoulli Equation, the flow meter is able to figure out the volumetric flow rate of the fluid contained within the system. In addition to the differential pressure, the exact nature of the flow rate formula also depends on: fluid viscosity, the conical angle of the venturi tube entry and exit cones, the radius of the pipeline and whether or not the fluid is compressible.

The many positive attributes of venturi flow meters, such as their efficiency, durability, long operating life, versatility and accuracy, make them a worthwhile component of nearly any metering application. In addition, the fact that they do not have moving parts means that they are far less likely to need maintenance, and any maintenance they do require will be fairly straightforward. Despite the many benefits they offer venturi meters do still have a few shortcomings. Mainly, they are limited because when fluid travels through the small diameter of the venturi tube, the system experiences a loss of energy. Fortunately, the venturi meter exit cone helps by recovering much of this lost energy. Manufacturers who wish to keep their venturi flow meters running as effectively and efficiently as possible must take care to note the factors that contribute to proper flow meter operation, most notably, the presence, or lack thereof, of foreign substances in the fluid. If the fluid being measured is adulterated by a foreign contaminant, the flow meter will not be able to measure flow properly. Therefore, meter and flow system operators must pay close attention to the quality of the fluids they are measuring. Also, a manufacturer would be wise to seek out a venturi meter that has been made to meet ISO quality standards. If properly monitored and maintained, a venturi flow meter will serve its operators faithfully for many years.

More Venturi Flow Meters



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Flow Meters – HydraCheck
Flow Meters – HydraCheck



Venturi Flow Meter Informational Video