Correct use and installation method of orifice flow meter

Abstract: Information on the correct use and installation of orifice flowmeters is provided by excellent flowmeter and flowmeter manufacturers. Correct use and installation method of orifice flowmeter The integrated orifice flowmeter consists of three parts: sensing, transmission, and operation display. It is mainly suitable for saturated steam, superheated steam, compressed air, mixed non-flammable and explosive gases and hot water. of industrial metrology, to the above. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the correct use and installation method of orifice flowmeters. Correct use and installation method of orifice flowmeter The integrated orifice flowmeter consists of three parts: sensing, transmission, and operation display. It is mainly suitable for saturated steam, superheated steam, compressed air, mixed non-flammable and explosive gases and hot water. It can be used for the flow measurement, display, measurement and online automatic control of the production process of the above-mentioned fluids. The most important thing to pay attention to when putting into operation is that the pressure guiding pipe must be filled with water or injected with high temperature steam to cool before starting operation. The straight pipe section before and after the throttling part of the integrated orifice plate flowmeter must be straight. The straight pipe section used to install the throttling part should be smooth. If it is not smooth, the flow coefficient should be multiplied by the roughness to correct the sparseness. A sufficiently long straight pipe section is required before and after the throttling piece, and the upstream side of the throttling piece is an open space or diameter≥In the case of a 2D large container, the length of the straight pipe between the open space or the large container and the throttle shall not be less than 30D (15D). If there are other local resistance parts between the throttling part and the open space or the large container, in addition to the specified minimum straight pipe length 1 between the throttling part and the local resistance part, from the open space to the throttling part The total length of the straight pipe section between the flow parts shall not be less than 30D (15D). How to use the integrated orifice flowmeter correctly: 1. The pressure guiding pipe system is filled with cold water as the pressure guiding medium, and the measurement of high temperature steam is generally conducted through cold water. When the pipeline is not transporting steam, open the primary valve, pressure valve and balance valve, close the drain valve, and directly inject cold water from the water injection hole of the condensate tank until it is fully filled. Of course, the balance valve and pressure valve can also be closed, and the valve can be opened once to introduce high-temperature steam and slowly cool it into water. This method is generally not used because the steam temperature is too high and it is easy to damage the instrument. Special attention should be paid to the measurement of high temperature steam when the pressure guiding pipe is not filled with water or the temperature is very high and it is strictly prohibited to put it into operation. Measured compressed air and cold water directly use the medium pressure. 2. After the differential pressure transmitter is exhausted or drained, after the pressure guiding pipe is filled with water, sometimes a small amount of gas will accumulate in the pressure chamber of the differential pressure transmitter to affect the pressure guiding, which must be eliminated. Unscrew the bolts at the lower part of the positive and negative pressure chambers to drain the fluid. Generally, instruments newly put into operation do not need to be drained. Check that there is no leakage in the pressure guiding pipeline system, close all valves, and prepare to put into operation. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'The Correct Use and Installation Method of Orifice Flow Meter'

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