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Overview of the rotameter scale

by:Sincerity     2020-12-26
Abstract: an overview of the rotameter scale information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Rotameter by taper pipe material is different, can be divided into the glass tube and metal pipe float float flowmeter flowmeter two kinds big. Rotameter is also called float flowmeter, through the measurement of the moving parts are in dc pipe position to calculate flow of the device. Is the base. More flow meter manufacturers choose model price quote you are welcome to inquire, the following is a summary of the rotameter scale article details. Rotameter by taper pipe material is different, can be divided into the glass tube and metal pipe float float flowmeter flowmeter two kinds big. Rotameter is also called float flowmeter, through the measurement of the moving parts are in dc pipe position to calculate flow of the device. Is based on the float position measuring a variable area flow meter. Adopts full metal structure, the pressure loss is small, range than the big, 10:1) , easy installation and maintenance, can be widely used in complex, bad environment and various kinds of medium in the condition of the flow measurement and process control. The working principle of rotameter rotameter is composed of two parts, a rotor flowmeter is from bottom to expand gradually tapered tube; Another rotor flowmeter is put in tapered tube and can move freely up and down along the pipe axis rotor. Rotameter when measuring the flow of fluid, be from current tapered tube bottom flow and fluid flow through the rotor, and generate a force to it ( The size of the force changes with the flow) ; When the flow is large enough, produced by the force to the rotor lift, and rising. At the same time, by current flowing through the body between the rotor and conical wall circular cross section, from the top. When is current body fluid force on rotor, at the right moment is equal to the weight of the rotor in the fluid ( Called show weight) , the rotor stress equilibrium and stay at a certain level. Rotor flowmeter is a kind of variable area flowmeter, under a main scale upward vertical cone tube, the circular cross section of float is under the liquid force of gravity, can float freely in the cone tube rises and falls. Under the effect of flow velocity and buoyancy moves up and down, and the float weight balance, reached with the dial indicator flow through the magnetic coupling. Rotameter is generally divided into glass and metal rotameter. Metal rotameter is zui commonly used in industry, for small diameter corrosive medium with glass material, usually as a result of the glass itself fragility, key control points are also useful for titanium and other precious metals material of rotor flowmeter. Analysis shows that the rotor position in the tapered tube height, and through the flow with the corresponding relationship each other. Therefore, observing the rotor position in the tapered tube height, the corresponding flow values are obtained. In order to make the rotor to move up and down in the centerline of the conical pipe without touching the wall, usually adopts two methods: one is in the center of the rotor core rod is equipped with a guide, in order to keep the rotor moves up and down in the centerline of the conical pipe, the other is on the edge of the rotor disc has a road chute, when the fluid flows through the rotor from bottom to top, to bypass the rotor side, through the chute to produce a reverse thrust again at the same time, make the rotor revolves around the centerline twirling round and round, it can keep the rotor from touching the wall at work. Rotameter rotor material available stainless steel, aluminium, bronze and so on. The characteristics of the rotor flow meter rotor flowmeter is commonly used in industry and laboratory zui a flowmeter. It has the structure is simple, intuitive, small pressure loss, easy maintenance, etc. Rotor flowmeter is suitable for measuring the through pipe diameter d< 150 mm of small flow, also can measure the rate of flow of corrosive medium. When using flow meter must be installed in vertical direction of the section, the fluid medium from bottom to top through the rotor flow meter. Glass tube flow meter has simple structure, low cost, easy to make anti-corrosion type instrument, fluid field measurement for more transparent, metal tube flow meter can output standard signal, can realize flow indicator calculation, recording and control and other functions. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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