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What are the characteristics of an elliptical gear flowmeter?
Referring to the American brand KNKE elliptical gear flowmeter, the following characteristics have been summarized for you: Feature 1: Flow measurement is independent of the flow state of the fluid, because the elliptical gear flow source gauge relies on the pressure head of the measured medium to push the elliptical gear to rotate for measurement.. Characteristic 2: The higher the viscosity of the medium, the smaller the amount of leakage from the gear and measuring space gap. Therefore, the larger the viscosity of the measuring medium, the smaller the leakage error, and the more advantageous it is for measurement. Feature 3: The elliptical gear flowmeter has high measurement accuracy and is suitable for measuring the flow rate of high viscosity media. However, it is not suitable for fluids containing solid particles (solid particles can jam the gear, making it impossible to measure the flow rate). If gas is mixed in the measured liquid medium, it can also cause measurement errors. If you have any further questions about the elliptical gear flowmeter, please visit the official website of the KNKE brand in the United States and search for it on Haigao.
2. The difference between metal rotor flowmeter and elliptical gear flowmeter
The structure is different (as shown in the figure) (elliptical gear flowmeter) (Changzhou rotor flowmeter) The working principle is different:
(1) The elliptical gear flowmeter is composed of a measuring box and a pair of elliptical gears installed inside the measuring box, forming a sealed crescent shaped cavity with upper and lower cover plates (not absolutely sealed due to the rotation of the g
(2) The main measuring components of the rotor flowmeter are a vertically installed lower small and upper large conical glass tube and a float that can move up and down inside. When the fluid passes through the conical glass tube from bottom to top, a pressure difference is generated between the upper and lower states of the float, and the float rises under this pressure difference. When the upward force, buoyancy, and viscous lift acting on the float are equal to its gravity, the float is in an equilibrium position. Therefore, there is a certain proportional relationship between the fluid flow rate flowing through the glass rotor flowmeter and the rising height of the float, that is, the instantaneous response product of the flow surface of the glass rotor flowmeter. The position height of the float can be used as a measure of flow rate. Different application ranges: Elliptical gear flow meters are suitable for situations with high flow rates and high measurement accuracy requirements, while rotor flow meters are exactly the opposite.