Everything You Need to Know About Classical Venturi Flowmeters for Gas and Liquid Metering

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If you're in the business of measuring gas or liquid flow rates, you know that accuracy and reliability are crucial. That's where the classical Venturi flowmeter comes in. Here's everything you need to know about this tried-and-true metering technology.
What is a Classical Venturi Flowmeter?
A classical Venturi flowmeter is a type of differential pressure flowmeter. It works by measuring the pressure difference between two points along a constriction in a pipe. The constriction is designed to create a pressure drop that is proportional to the flow rate of the fluid passing through it.
How Does it Work?
The classical Venturi flowmeter has a converging section, throat, and diverging section. As the fluid flows through the converging section, its velocity increases, and its pressure decreases. When the fluid reaches the throat, its velocity reaches a maximum, and its pressure reaches a minimum. As the fluid flows through the diverging section, its velocity decreases, and its pressure increases.
Why Choose a Classical Venturi Flowmeter?
Classical Venturi flowmeters have several advantages over other types of flowmeters. They are:
- Highly accurate, with typical accuracy of +/- 1%
- Reliable and long-lasting
- Suitable for a wide range of fluid types and temperatures
- Low maintenance and easy to install
- Cost-effective
In conclusion, if you're looking for a reliable and accurate gas and liquid metering solution, the classical Venturi flowmeter is an excellent choice. Its simplicity, accuracy, and durability make it a favorite among engineers and technicians alike.



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