Tell orifice meter scale installation and debugging method

Abstract: the orifice meter scale installation and debug method about information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. In measuring flow rate and steam orifice meter is relatively commonly used flowmeter, wide praise in the market, for the first time using orifice flowmeter in the enterprise has a lot of how to install and debug of orifice flowmeter are unfamiliar, here I am orifice meter. More flow meter manufacturers choose model price quote you are welcome to inquire, below is the orifice meter scale installation and debug methods about the article details. In measuring flow rate and steam orifice meter is relatively commonly used flowmeter, wide praise in the market, for the first time to use in the enterprises of the orifice flowmeter has a lot of how to install and debug the orifice flowmeter is strange, let me of orifice meter installation requirements and how to make a brief introduction, debugging hope to be of help. Standard orifice meter is the standard orifice differential pressure transmitter with multiple parameters ( Or differential pressure transmitter, temperature transmitter and pressure transmitter) Form a complete set of high contrast range pressure flow device, can measure the rate of flow of gas, steam, liquid and gas, widely used in petroleum, chemical industry, metallurgy, electricity, heating, water supply in areas such as process control and measurement. One, the basic requirements: (orifice meter installation 1) For new piping system, you must first install again after scavenging standard orifice plate, in case of standard orifice tube sundry jam or damage. （ 2) Before installation should be carefully checked the serial number of the standard orifice plate, a number, specifications and pipeline condition and parameters such as flow range. In selecting pressure near the mouth with & other; +” Should be at the end of the upstream section connection with liquid, marked & other; — ” Should be at the end of the downstream section connection with liquid. （ 3) Standard orifice centerline should be with the pipe axis coaxial. Second, the orifice meter installation: (to the requirement of pipe 1) Orifice meter when installation should be equipped with a measuring tube, at least keep the top 10 dn, after 5 dn, such as straight pipe section, in order to improve the accuracy of measurement. （ 2) If need to install the valve before and after the orifice meter, zui good choose gate and in the operation of the fully open; Regulator after 5 dn should be in the downstream piping. （ 3) Pressure the inner diameter of the pipe and the pipe length and medium smudgy degree, usually within 45 meters in diameter of 8 - 12 mm pipe. （ 4) Measuring the liquid flow guide pipe horizontal section should be in the same horizontal plane. If install throttle in the vertical pipe, distance between pressure spool apart ( Perpendicular direction) Have influence on the zero point, the differential pressure transmitter, should pass & other; Zero migration & throughout; To correction. （ 5) Should have a strong pipeline bracket of socket, two take pressure piping should be close to each other as much as possible and away from heat source or vibration source, measurement of water vapor flow, application of thermal insulation material bind together, must be ( If the temperature below 0 ℃) Add trace pipe to prevent freezing. When measuring the dirt flow, should be attached isolator or settler. （ 6) Bring pressure must always remain single-phase fluid in the pipeline. By measurement of body is a gas, pressure pipe ( Including differential gauge pressure chamber) All gas phase; By current body is liquid, pressure are all liquid in the pipeline, you must not have bubbles. Therefore it is necessary to introduce in pressure piping zui low drain valve or exhaust valve, zui highs in new clothes or differential pressure transmitter should pay special attention to all the time. Third, orifice meter debug method: ( 1) , connected to signal lines, power cord ( 2) Valve, open the import and export, import and export valve opening to be consistent ( 3) Balancing valve and open the stainless steel valve group, slowly open the orifice to the high and low pressure valves, stay fluid through the flowmeter balancing valve can be closed after three stainless steel valve group. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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