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Flow Meter

Chemical Flow Meter


A flow meter refers to a device that measures the mass or volume of a gas or liquid. Just as the name flow meter suggests, it measures the flow of either gas or liquid. Other names for flow meters include flow indicator, flow gauge, and liquid meter. Flow meters are used in different industries, including the pharmaceutical/ chemical industry, food and beverage industry, water companies, and gas and oil plants. Different types of flow meters apply to these various industries. This article discusses chemical flowmeters.

They refer to flow meters that measure both corrosive and non-corrosive gas and liquid passing through them. They can measure various substances, including solvents, acids, detergents, pesticides, and many more. Chemical flow meters are common in industries like petrochemical plants and refineries. In such industries, they play a vital role in the manufacturing process since they help to enhance manufacture efficiency.

Different types of chemical flowmeters

Aggressive chemical measurement-Variable area rotameter/ magnetic flow meter

Chemical industries use magnetic flow meters to facilitate the aggressive measurement of chemicals. You can use magnetic flow meters to measure corrosive chemicals like hydrochloric acid, sulphuric acid, caustic soda, and brine. However, only magnetic flowmeters that have suitable electrodes and liners are efficient in measuring such corrosive liquids. Additionally, you can also measure the aggressive chemicals/fluids using digital rotameters that are lined with PTFE (Teflon)

Low corrosive, low viscous and clean liquid measurement -Turbine flow meters (TUF)

These are flow meters that measure liquids that are clean, less viscous, and less corrosive. Such fluids include solvents, solutions, ethanol, diesel, and clean water. Turbine flow meters are less expensive and usually have chemical flow sensors that have a compact design. These flow meters are volumetric, meaning that they can measure liquids passing through them either indirectly or directly. Some of the advantages of using turbine flow meters are that they have high accuracy, can measure high pressure, and have a large measuring range.

Low flow rate flow meter -Rotameter or micro type oval gear flow meter

A rotameter measures the flow rate of a gas or a liquid. It comprises a measuring scale, float, and a tube. A low flow rate rotameter detects a minimum/low flow rate in a liquid/gas. In this category of rotameters, we supply a rotameter known as the metal tube. The tube in the metal tube is usually tapered and has indicators. The function of the indicator is to display the measuring results after measuring. These tubes also have pulse output/4-20Ma transmitters, which facilitates control. Rotameters are cost-effective since they are easy to construct. Therefore, using them helps to save costs. They also have a small design hence portable.
LC-M Series Micro oval Gear flow meter can detect ultra mini chemical flow, It is a kind of positive displacement flow meter for precise volume flow measurement of mini or low chemical flow liquid, the liquid include chemical, sealant, toluene, glue, detergents, gelectrolyte, ethylene, additive,etc

High viscosity chemical flow meters-Coriolis flow meter & oval gear flow meter

Both the oval gear flow meter and the Coriolis flowmeter measure fluids that have high viscosity. Such fluids include glue, resin, asphalt, and molasses. Oval gear flow meters have two oval gears which they use to trap the fluids. On the other hand, a Coriolis flowmeter has a tube and a vibrator for fluids measurement purposes. The flow sensors present in these two flow meters have a rugged design and are bulky too. The flow meters have different protocols and outputs, which helps to control processes in the factory facility.





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