Installation of vortex flow meter scale

Abstract: the installation of vortex flow meter scale note information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. As far as possible to avoid the high voltage equipment, high-frequency equipment, switching power supply equipment. Instrument of power supply from these devices as much as possible. To avoid the high temperature heat source and the radiation source. If you have to install, you must have. More flow meter manufacturers choose model price quote you are welcome to inquire, here is installed scale vortex flowmeter note article details. As far as possible to avoid the high voltage equipment, high-frequency equipment, switching power supply equipment. Instrument of power supply from these devices as much as possible. To avoid the high temperature heat source and the radiation source. If you have to install, you must have heat ventilation measures. To avoid high humidity and strong corrosive gas environment, if must be installed, ventilation measures shall be required. Vortex flow meter should be avoid as far as possible to install on the strong vibration of pipeline. If you have to install, you must set up at the upstream and downstream 2 d pipeline fastening device, and vibration-proof pad, strengthen the effects of vibration resistance. Instrument installation installed indoors, outdoors should pay attention to waterproof, pay special attention to in the electrical outlet cables should be bent into a U shape, avoid water along the cable into the amplifier shell. Instrument installation point should have a plenty of space around, in order to install the wiring and regular maintenance. Vortex flow meter has certain requirement for straight pipe upstream and downstream of the installation points, otherwise it will affect the medium flow field in the pipeline, affect the accuracy of measurement instrument. Instrument of upstream and downstream straight pipe length demanded to see the figure note: regulating valve as far as possible not to install in the upstream of vortex flow meter, and should be installed downstream of the vortex flow meter 10 d. Upstream and downstream piping diameter should be the same. If there is any difference, the pipe inner diameter Dp and vortex meter Db table body size, should satisfy the following relationship between 0. 98分贝≤ Dp≤ 1. 5 db, the downstream piping should be with diameter of concentric flow table, not alignment between them should be less than 0. 05年db。 Between the instrument and the flange gasket, not protruding into the tube when installation, the inner diameter should be 1 - larger than the table body size 2mm。 On the pipeline according to the requirement of the opening as inch opening, opening of the position to meet the requirements of the straight pipe. A complete set of flowmeter will be connected to the flanges and into the open mouth of the well pipe. The two pieces of the flange on both sides for spot welding location. Flow meter will be removed, the flange welding good according to the requirement, all out and clean up the pipe section. In the flange of the groove on the same seal gasket and pipe size, the flowmeter into middle flange, and makes the flow meter to label the same as the direction of flow, and then bolted connection is good. The installation of flow in horizontal pipe runs: 1. Measuring gas flow rate, if measured gas containing a small amount of liquid, flow meter should be installed in the pipeline is relatively high. 2. When measuring liquid, if the liquid contains a small amount of gas being measured, the lower part of the flow meter should be installed in the pipeline. Flow in vertical pipe installation: 1. Measuring gas, flow meter can be installed in vertical pipe runs, if flow to unlimited contains a small amount of fluid in the measured gas, gas flow should be from the bottom up. When measuring the liquid flow, liquid flow shall be from the bottom up. Vortex street flowmeter installation matters should be paid attention to in 1. Flowmeter installation should be carried out as required, to avoid damage caused by the improper installation of the instrument, and affect the measuring accuracy. 2. Meter should try to avoid installed on the overhead long pipeline, because the pipeline prolapse is easy to cause between the meter and flange seal leakage. If you must install, you must set respectively in the upstream and downstream of the 2 d flow meters place pipe support. If measured medium temperature and pressure compensation are required ( Such as steam, compressed air) , the pressure measuring point should be constraint ~ 5 d downstream of the flow meter in place, temperature measuring points should be 4 ~ 8 d downstream of the flow meter in place ( As shown in the figure below) 3. In the measurement of steam pipeline, to prevent the converter temperature is exorbitant, link rod at least half of the meter is not insulated ( As shown in the above) In order to facilitate observation and wiring, the flowmeter header in the position of the original can rotate 360 degrees, after adjust position, tighten the lock nut. If the direction of the flow meter installed upside down, its nut must use waterproof tape coil sealed. Shanghai industry, instruments and meters provide above is all there is in this article, you are welcome to inquire me factory flowmeter selection, quotation, etc.

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