The venturi meter scale installation and inspection

Abstract: the venturi meter scale installation and inspection information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. A, the classification of the venturi meter: venturi meter according to the different equipment method is divided into pipeline venturi meter and plug-in venturi meter: 1, the pipeline can be divided into the classical venturi meter venturi meter ( General pipe) And hidden within. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a venturi meter scale installation and check the article details. A, the classification of the venturi meter: venturi meter according to the different equipment method is divided into pipeline venturi meter and plug-in venturi meter: 1, the pipeline can be divided into the classical venturi meter venturi meter ( General pipe) And capacitor venturi meter, first is about the industrial enterprise large diameter and low flow velocity, large flow rate of gas flow measurement, a common construction planning, and in the national key points of large wind tunnel lab for real flow calibration. Can be widely used in petroleum, chemical industry, metallurgy, electric power and other major diameter control and measurement of the fluid. 2, plug-in venturi meter first used in diameter is too large, short straight pipe or equipment location restricted and demand for flow measurement accuracy is not high field is applied, it has convenient equipment debugging, without having to cut section, low capital cost, the current used to replace the capacitor venturi and wing wind equipment, for the wind flow measurement. According to the machining method for different divided into rough cast to shorten the period of classical venturi meter, mechanical processing and shorten the period of the venturi meter, with thick soldering iron plate to shorten the period of the venturi meter. Second, the venturi meter installation note: 1, the first intercepted two paragraphs with straight pipe bending pipe of the same diameter, length over 1 times the diameter. （ Venturi meter) 2, the platform is in better condition, intercepts and two straight pipe sections take bending pipe welding, show 90 degrees vertical state, and ensure the welding quality. 3, will be preformed pipe shelves and pipe welding process. （ Venturi meter) 4, venturi sensor and pipe welding technology, make its work under the state of horizontal space as much as possible. When conditions are not live for the horizontal installation, can be installed in vertical space condition. （ Venturi meter) Venturi tube flow sensor and process piping use flange connection, can press sensor with flow, and state of horizontal space docking to the process piping. Venturi tube when installation, front straight pipe length should be greater than five times the diameter, after the end of the straight pipe length should be greater than 2 times the diameter. （ Venturi meter) Three, venturi meter check before work: 1, check the transmitter of piping, installation and wiring is correct. 2, check all the welding interface, thread joints being strict, don't let it out. （ Venturi meter) 3, check whether the secondary instrument wiring is correct, and the connection between the transmitter is correct, focusing on power connector position. 4, after all the check and correct, through to secondary instrument power supply. （ Venturi meter) Four, the primary characteristics of venturi meter: 1, construct a brief, durable, stable function, it is not easy to block. 2, small pressure loss, saving power needed for the traffic transportation, can be used in two phase flow, mixed phase flow and low flow velocity, large pipe diameter, special-shaped tube mixed and disorderly flow measurement. 3, high precision, good repeatability, small pressure loss, the straight pipe is shorter. 3, the size of 50 - 1200 scale, without demand flow calibration. Can exceed the size, reference planning production. When demand is high precision, real flow calibration can be performed. 4, equipment of ontology, the big size of large diameter appearance, is not convenient to transport equipment, can use thinking standard orifice plate, or insert type double venturi meter above is all there is in this article, you are welcome to inquire me factory flowmeter selection, quotation, etc.

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