The Venturi flowmeter is a widely used instrument for measuring fluid flow rates. It is based on Bernoulli's principle, which states that the pressure of a fluid decreases as its velocity increases. The classical Venturi flowmeter is one of the most popular types of Venturi flowmeters, and it is widely used in various industries due to its accuracy, reliability, and cost-effectiveness.
The cheapest classical Venturi flowmeter is designed to measure the flow rate of fluids with high viscosity, such as oil, water, and other liquids. It works by using a converging section followed by a diverging section in the flow path. As the fluid flows through the converging section, its velocity increases, and the pressure decreases. Then, it passes through the throat of the meter, where its velocity reaches the maximum, and the pressure drops to the lowest level. Finally, the fluid flows through the diverging section where its velocity decreases, and the pressure increases.
The classical Venturi flowmeter has two pressure taps, one upstream of the throat and one downstream. These taps are connected to a differential pressure gauge that measures the difference in pressure between the two points. The pressure difference is proportional to the flow rate and can be used to calculate the exact flow rate of the fluid.
The cheapest classical Venturi flowmeter is an excellent option for applications where accuracy is crucial, and costs must be kept to a minimum. It is commonly used in the oil and gas industry, chemical plants, and water treatment plants. It is also suitable for measuring the flow rate of fluids containing suspended solids and other impurities.
In conclusion, the cheapest classical Venturi flowmeter is an accurate and reliable instrument for measuring fluid flow rates in various industries. It works on the principle of Bernoulli's equation and is well suited for fluids with high viscosity. If you are looking for an affordable and effective way to measure fluid flow rates, the cheapest classical Venturi flowmeter is an excellent choice.