Working principle of volumetric flowmeter| venturi meter price

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What are the flow regulation methods for metering pumps?

2. The meaning of positive displacement flow meter

The meaning of positive displacement flow meter is volumetric flow meter.. It is an instrument that determines flow rate by measuring the number of times a fluid flows through a chamber of a known volume. Under high core conditions, there are some key points about volumetric flow meters: working principle: The flow meter has one or more chambers with known volumes, which are filled and discharged by the fluid as it flows. By calculating the number of times the chambers are filled and discharged, the flow rate of the fluid can be accurately measured. Advantages: The volumetric flowmeter has high precision and stability, suitable for measuring high viscosity, low flow velocity fluids, and situations that require high-precision measurement. Application: This flowmeter is widely used in the fields of petroleum, chemical, natural gas, water treatment, etc., for measuring the flow rate of various liquids. In summary, a positive displacement flow meter, also known as a volumetric flowmeter, is a high-precision and stable flow measurement instrument.

3. Double rotor flowmeter II, working principle

Double rotor flowmeter is a uniquely designed volumetric flowmeter specifically used for measuring liquid flow rate.

. Its working principle is based on the meshing of a pair of spiral rotors with special tooth profiles, and there is no relative sliding between the two, without the need for synchronous gears. The rotational power source of the rotor comes from the small pressure difference generated by the fluid at the inlet and outlet. As shown in the figure below, at a certain moment o Working principle of volumetric flowmeter

Working principle of volumetric flowmeter

n a certain cross-section, although a pair of rotors experience different fluid rotational torques, the resultant torque of the rotational torques on all cross-sections remains equal for both rotors. Therefore, the two rotors rotate at a constant speed and equal torque to ensure balanced displacement without pulsation. Each rotor can output 8 times the volume of the cavity per revolution, therefore, the rotational speed of the rotor is proportional to the cumulative flow rate of the fluid, and the rotational speed of the rotor is proportional to the instantaneous flow rate of the fluid. The rotational motion of the rotor is transmitted to the meter counter through a magnetic coupling, and the counter displays the flow rate through the flowmeter (flowing through the pipeline). This design enables the dual rotor flowmeter to have high precision, stability, and reliability, making it suitable for various industrial applications. Dual rotor flow meters can be divided into two forms based on their structure: standard type and axial flow type. The standard dual rotor flowmeter is shown in the figure and is suitable for general liquid flow measurement. Axial flow dual rotor flowmeter has higher measurement accuracy and wider flow range, especially suitable for occasions with strict requirements for flow measurement. The dual rotor flowmeter, as a highly efficient and accurate liquid flow measurement tool, is provided by Shanghai Youhe Industry. Its unique design and high performance make it an ideal choice in many industrial fields, widely used in multiple industries such as petroleum, chemical, pharmaceutical, food, and environmental protection.

4. Types and Differences of Flowmeters

Flowmeters are mainly divide

Working principle of volumetric flowmeter

What are the flow regulation methods for metering pumps?

2. The meaning of positive displacement flow meter

3. Double rotor flowmeter II, working principle

4. Types and Differences of Flowmeters

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