Classic venturi matters needing attention

Abstract: the classical venturi note information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Venturi meter use note: 1, flow instrument selection is particularly important, selection of correct or not directly related to the accuracy of measurement, so we need to understand the product knowledge, correct choose to install and use. 2, check: a new table or discontinued. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a classic venturi note article details. Venturi meter use note: 1, flow instrument selection is particularly important, selection of correct or not directly related to the accuracy of measurement, so we need to understand the product knowledge, correct choose to install and use. 2, check: a new table or stopped after a period of time the revival of classical venturi, should check before putting-in-service proactively lead any blockage or leakage, pipeline ( 1) Should be in the lead the line for liquid medium filled with clean water or other liquid pressure, ( 2) Pay attention to the emissions in gas in the pipeline, emissions should pay attention to in the gas medium fluid in the pipeline. （ 3) Before the operation of open & other; Three valve group & throughout; The balance valve, close the solemn negative pressure valve in the line, inspection, correction of zero differential pressure transmitter, must notice & other; Zero & throughout; Is completely in positive and negative pressure cavity pressure (such as The differential pressure is equal to zero) , check adjustment differential pressure transmitter. （ 4) In the condition of fluid flow even fully open & other; Balancing valve & throughout; , as long as none serious negative pressure take pressure valve in the line, also can't check the zero point. Because balancing valve itself there is resistance, can't balance the positive and negative pressure cavity pressure, namely reach & other Zero differential pressure & throughout; State. （ 5) When measuring smudgy fluid flow, must be configured settler or isolator. Pay attention to guide the location of the outlet of the import and export of fluid pressure and how to choose reasonable, in order to achieve discharge purpose. Corrosive fluid flow, must choose proper isolator, according to the proportion of medium to choose appropriate spacer, and pay attention to choose the spacer and to be the entrance to the current body. Classic venturi design parameters is consistent with actual parameter, directly related to accuracy of measurement. Classic venturi when put into use, if measured parameters in the design parameters, within the scope of the accuracy of measurement generally will not exceed design calculation accuracy; But if the measured parameters from design parameters ( Assume that classical venturi and differential pressure transmitter type selection, manufacturing, installation requirements) Is likely to provide the design of the parameters is wrong, should change the design parameters, design and calculation of classical venturi again. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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