Various Types of Liquid Flow Meters

  • Published February 28, 2018
  • Flow Meters
  • by Proteusind

The use of liquid flow measurement is important in many industries which include the semiconductor equipment, automotive, medical, and industrial markets. They require their complex and specific applications to measure and control flow, along with temperature, improving process control and predicting service shutdown for critical equipment and processes. Liquid flow meters measure the amount of liquid, gas, or steam flowing through or around the flow meter sensor.

It is used in several applications such as natural sources, pipelines, chambers, tanks, usable industry chambers, and more. Available with diverse technical features and mechanisms, the application defines the capacity and type of the liquid flow meter. It bases the distinction in the functional method and technical aspects on their areas of applications, operational values, and nature of liquid that is being measured by them. Liquid flow meters are used by a broad range of industrial sectors.

What are Various Types of Liquid Flow Meters?

Based on the application, the liquid, and the construction; including material, there are different liquid flow meters. Here are the 6 major categories of liquid flow meters.

1. Differential Pressure Flow Meters

Being the most common flow meter in use, it has primary and secondary components. The first component changes the kinetic energy and the second one measures the differential pressure, which produces a signal that can be changed to get the flow rate. They can be divided into Venturi Tube, Orifice Plate, Flow Tube, Flow Nozzle, and Rotameter. A differential pressure flow meter gauge the differential pressure across an orifice where the liquid flow is proportional to the square root of the differential pressure produced. The most common use of a differential pressure flow meter is within the oil and gas industry. It is also used in chemical, paper, mining, pharmaceutical, water, beverage, and HVAC (Heating, Ventilation, And Air Conditioning) applications.

Also, you can read Ensure the Best Calibration from the Vortex Flowmeters with Pulse Output

2. Velocity Flow Meters

This flow meter operates with the volume flow rate. It translates the data of the velocity of water into its volume. When the flow meter is used with a Reynolds number greater than 10,000, the flow meter becomes insensitive to the viscosity change of the fluid. They can be divided into Vortex Shedding, Turbine, Swirl, Electromagnetic, Ultrasonic Doppler, Pilot Tubes, and Calorimetric.

3. Positive Displacement Flow Meters

Positive displacement flow meters gauge the capacity filled with liquid, transport it further and fill it again. This way it measures the quantity of liquid being transferred. In contrary to all other types of liquid flow meters, a positive displacement flow meter gauges the actual flow of any liquid whereas others calculate a different parameter and then convert the values into flow rate. The flow of liquid is gauged by the number of times the chamber is filled and emptied. This includes Oval Gear, Reciprocating Piston Meter, Rotary Vane Meter, and Nutating Disc. Positive displacement flow meters are well known for their precision. They are most used in transferring fluids like oils and gasoline, hydraulic fluids along domestic use for gas and water applications.

4. Mass Flow Meters

This flow meter measures the mass of fluid flowing through a particular point per unit of time. This flow meter comprises Coriolis and Thermal mass Flow Meter. For mass related procedures, the mass flow meter is the most efficient one as they gauge the force that is produced by the acceleration of the mass. Usual applications for mass flow meters are related to chemical procedures in gas industries. Along with that mass flow meters are used by power, pharmaceuticals, mining, and wastewater.

5. Closed Pipe Flow Meter

The closed pipe flow meter is a type of flow meter that is used for fluids flowing in a closed conduit like sewer, kitchen pipeline, water pipeline, fuel pipeline, etc. and the open channel includes measuring the flow in a non-constricted area. The meters are placed near the pipelines to get the accurate result, and it is displayed on the meters attached to the conduits.

6. Open Channel Flow Meters

It refers to the liquid flowing in the free surface and analyzes the flow rate by measuring the water depth. Weirs and Flumes are the two categories of open channel flow meters. These overflows or structures similar to a dam, let a restricted or concentrated free flow of the liquid based on the innovative size and shape of the structure. Open channel flow meters regardless of technology require a level measurement in addition to velocity. The manning equation is then used to calculate the true flow. The most common application of these meters includes free-flowing liquids such as rivers, irrigation channels, streams, and sewer or wastewater systems.

Therefore, at proteus industries inc. You will get the best quality products and a wide range of flow meters. Our company is dedicated to offering their valuable services to their customers. We assure you of our highly advanced technology. For more product info, contact us.

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