Coriolis Flow Meters

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This type of flow meter is dubbed the Coriolis because it utilizes the Coriolis effect, an inertial force that is caused by the Earth’s rotation, in order to obtain a highly accurate measurement of mass flow as well as the density of the fluid. A relatively new type of flowmeter, Coriolis flow meters began being used in industrial applications in the early 1980’s. Read Moreā€¦

Coriolis Flow Meters Also known as mass flow meters or inertial flow meters, Coriolis flow meters function to measure the mass per unit time, or the force of acceleration, that is flowing through a system. The mass per unit time, also referred to as the mass flow rate, is a calculation of the mass of the fluid as it travels past a fixed point per unit time.

Leading Manufacturers

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, and expert flow advice.

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Sierra Instruments $$$

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 $$$

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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Aalborg Instruments & Controls, Inc. $$$

Concord, CA  |  925-687-8363

Since our founding in 1972, RCM Industries has served industries ranging from pharmaceutical to chemical to food and beverage. Our flow meters are designed to improve productivity, reduce cost, and protect the most sensitive equipment and processes. All flow meters are suitable for measuring water, oil, and most low viscosity liquids, and are available in Monel, stainless steel, and bronze alloys. No matter what your application, we aim to exceed your expectations.

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RCM Industries, Inc. $$$

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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SeaMetrics, Inc. $$$

Blythewood, SC  |  803-714-2000

Spirax Sarco is an established manufacturer of a variety of flowmeter products for liquid, gas and steam applications for a wide range of markets. Spirax Sarco is able to provide its customers with a family of products capable of measuring and controlling most liquids and gases.

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Spirax Sarco, Inc. $$$
placeholder image Sierra Instruments HydraCheck Aalborg Instruments & Controls, Inc. RCM Industries, Inc. SeaMetrics, Inc. Spirax Sarco, Inc.

Additional applications of Coriolis flow meters include continuous blending, combustion control, fermentation, fueling, vial filling, bottling, and concentration measurements. As a result, Coriolis flow meters are not only useful in the industrial manufacturing industry, but in a wide range of industries including petrochemical, food and chemical processing, automotive, and pharmaceutical.

SITRANS FC410 Coriolis Flow Meters SITRANS FC410 Coriolis Flow Meters - Siemens Process Instrumentation

Coriolis flow meters are typically constructed from a U-shaped flow tube (which is filled with fluid but has not flow), a driving unit and displacement sensors, with an inlet and an outlet to allow for flow.

To begin, the flow is guided into the flow tube from the inlet, from which point an oscillating excitation force is applied to the tube in order to cause vibration. Once the vibration is achieved, the flow of the fluid will cause a rotation of the tube caused by the Coriolis effect. This effect causes rotation because it causes acceleration on one side of the tube (the inlet) and deceleration on the other side of the tube (the outlet). As a result, the inlet is able to register the flow before the outlet is able to, which results in a time delay. This time delay is directly proportional to the mass flow rate of the fluid or gas.

Coriolis flow meters are able to measure the mass flow rates of a broad spectrum of fluids and gasses including hydrogen gas, bitumen, natural gas, and water. Since some of the fluids or gasses are corrosive, Coriolis flow meters are often constructed from such corrosion-resistant materials as stainless steel and hastelloy.

Coriolis Flow Meter Informational Video