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What are the types of flow meters?
Flowmeters can be divided into the following types
1. Differential pressure flowmeter: calculates flow rate by measuring the differential pressure generated when fluid flows in a pipeline
2. Rotary flowmeter: measures flow rate by using the displacement of the rotor, which is related to the flow velocity and density of the fluid
3. Throttle flowmeter: calculates flow rate by measuring the pressure difference generated by the fluid at the throttling device
4. Narrow slit flowmeter: measures fluid flow rate by using a narrow gap, the width of which is related to the flow velocity and viscosity of the fluid
Flow rate
6. Electromagnetic flowmeter: using the principle of electromagnetic induction to measure the flow rate of conductive fluids
7 Ultrasonic flowmeter: uses the propagation speed and time difference of ultrasonic waves to measure the flow rate of rental fluid. According to different applications and measurement requirements, suitable types of flow meters for jujube branches can be selected.
2. What is a throttling device? What does a throttling device include?
Concept: A throttling device is a flow device in which a fluid filled with a pipeline flows through the pipeline. The flow beam will locally contract at the throttling point, causing an increase in flow velocity and a decrease in static pressure, resulting in a static pressure difference before and after the throttling element, also known as a throttling flowmeter.
. Content: As the most important branch of the flow meter, the throttling device is divided into two categories: standard throttling devices and non-standard throttling devices. The standard
3. The difference between a throttling flowmeter and a float flowmeter
The difference between a throttling flowmeter and a float flowmeter is that the principle of a throttling flowmeter is to set obstacles in the pipeline passing through the fluid, and to obtain differential pressure through throttling to reflect the magnitude of the fluid flow.
. Representative throttling flow meters include orifice flow meters, V-cone flow meters, and so on. 2. Principle of Float Percussion Flow Meter: When a fluid flows through a pipeline from bottom to top, the lift and buoyancy generated by the fluids kinetic energy on the float cause it to rise. To achieve the purpose of measuring fluid flow rate. Representative float flow meters include metal tube float flow meters, glass tube float flow meters, and plastic tube float flow meters. Summary: The two measurement principles are completely different, making these two flow meters fundamentally different.4. What are the regulations on the front and rear dimensions when installing a flowmeter?
When installing a flowmeter, there are certain regulations on its front and rear dimensions, mainly to ensure measurement accuracy. Generally speaking, there are differences in requirements fo