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What is a rectangular flowmeter? Simply put, a rectangular flowmeter is a combination of a wedge flowmeter and a Venturi flowmeter. It is a differential pressure flowmeter. The throttling element inserted into the wedge-shaped flowmeter is triangular, while the throttling element inserted into the rectangular flowmeter is rectangular. After inserting the rectangular throttling element, the state of fluid passing through is similar to that of an eccentric Venturi tube. The characteristic is Brother Qi: it is not only suitable for circular pipelines, but also applicable to rectangular pipelines; The advantages of measuring mixed liquids containing solid particles with eccentric Venturi and wedge characteristics; Manufacturing is much simpler and cheaper than eccentric Venturi; The throttling element is not like a wedge-shaped flowmeter, as it does not face the scouring surface of the slag flow and is wear-resistant. 2. What are the pressure measurement methods of a throttling flowmeter
Abstract: A throttling flowmeter refers to a flowmeter that has a throttling device in the flow pipeline, and converts the fluid flow rate into a differential pressure signal through the throttling device to display the flow rate.
. Throttle flow meters are widely used in industrial production systems, and can be divided into four types according to different throttling devices: standard orifice plate, standard nozzle, Venturi, and bent pipe. There are five pressure measurement methods for throttling flow meters: corner connection pressure measurement, flange pressure measurement, radial distance pressure measurement, theoretical pressure measurement, and pipe connection pressure measurement. Lets learn about the types
What is a throttling flowmeter? The phenomenon in which the fluid in a pipeline experiences a sudden decrease in pressure after passing through parts such as valves, rubber head slits, and orifices where the channel cross-section suddenly becomes smaller is called throttling. A throttling flowmeter is an instrument that calculates the flow rate based on the differential pressure generated by the flow detection component installed in the pipeline, known fluid conditions, and the geometric dimensions of the detection component and the pipeline.
. The throttling flowmeter has the advantages of simple structure, easy installation, reliable operation, low cost, long history of use, and standardized design and processing. It is widely used in industrial production systems such as steel mills and refineries.What are the types of throttling flow meters? Throttling flow meters usually have a throttling device that can convert fluid flow into differential pressure signals, including throttling elements, pressure tapping devices, and front and rear straight pipe sections. According to different throttling devices, the types of throttling flow meters can be divided into:
1. Standard orifice plate orifice plate flowmeter is a high range differential pressure flow device composed of a standard orifice plate and a multi parameter differential pressure transmitter, which can measure the flow of steam, liquid, and natural gas. According to the different orifice plates, it can be divided into 1/4 circular orifice plate, circular orifice plate, eccentric orifice plate, wedge-shaped orifice plate, integral (internal) orifice plate, linear orifice plate, annular orifice plate, etc.
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