The use of vortex flow meter scale installation points

Abstract: the use of vortex flow meter scale installation points information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. The use of vortex street flowmeter installation point vortex flowmeter is a new type of flowmeter, due to the high precision, strong adaptability, wide application range, installation is simple wait for a characteristic, application in the chemical industry is becoming more and more widely, Qingdao xin bo today instrument co. , LTD. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the use of vortex flow meter scale installation points article details. The use of vortex street flowmeter installation point vortex flowmeter is a new type of flowmeter, due to the high precision, strong adaptability, wide application range, installation is simple wait for a characteristic, application in the chemical industry is becoming more and more widely, Qingdao xin bo instrument launch today the installation point of vortex flowmeter were all to share. Vortex street flowmeter installation direction cannot be installed on the vortex street flowmeter & other; → ” The flow direction of medium and technology should be consistent, big diameter plug-in vortex street flowmeter sensor to perpendicular to the pipe axis, with process piping flange connection type should be concentric. When installation should guarantee the vortex flowmeter, the length of the downstream straight pipe ( 1) Vortex flowmeter is: to the general requirements of straight pipe before and after the first 20 D, 5 D after ( D for all connected piping diameter) , the general design of valve on the downstream side of the meter. ( 2) When the flow meter installed in the compressor, blower, the export of plunger pump, the upstream side of the meter need to install the valve, this kind of situation, to ensure the measurement accuracy of flowmeter, in addition to the length of straight pipe upstream of not less than 20 D, installation of current limiting or buffer device on the upstream side, as shown in figure 1: ( 3) For process pipeline diameter change request, the length of the straight pipe respectively before and after the guarantee is not less than 10 D and 5 D is ok; If you had to choose in the upstream side of the meter gate, then the length of the straight pipe before should not be less than 40 D, as shown in figure 2. ( 4) Take the source components, such as temperature, pressure should be installed on the downstream side of the vortex flowmeter, distance requirements as shown in figure 3: vortex flowmeter and take the source component distance requirements. Vortex street flowmeter installation should guarantee the work state of vortex generator internal filled with medium vortex flowmeter can measure liquid, gas and steam flow of three kinds of medium, at the same time can be in a horizontal, vertical, or even any Angle position of the piping installation, however, no matter what kind of situation, must ensure that the internal working condition when the flowmeter can totally full of the same kind of medium. ( 1) For process of connecting pipe, the inner diameter should not less than a meter diameter, flange gaskets used in inner diameter should be greater than flowmeter itself, otherwise it will produce bubbles or vacuum negative pressure, affect measurement accuracy. ( 2) Measurement of liquid medium level pipe installation, should be avoided due to improper pipeline layout and make the internal retention bubble flow meter, as shown in figure 4, a) As shown in. In vertical pipe installation, request the medium flow up, when the inevitable under flow up, should consider grew out of the negative pressure formed by gravity, avoid to cause flow meter inside can't completely full of measured medium, as shown in figure 4, b) Shown below. Pipeline cleaning and purging the matters needing attention when pipeline cleaning and purging cannot be made, together with the meter flange type vortex flowmeter should be used to replace the nipple temporarily withdrawing flowmeter, insert the flowmeter flowmeter removed first, and then cleaned and purging, or in order to avoid damage of flowmeter. The use of vortex street flowmeter environment ( 1) Vortex street flowmeter type many, the use of different types, different types of flow meter range is different, such as environmental temperature, medium temperature, measurement precision and pipe diameter size, etc. , when installation should pay attention to the model and other technical parameters, and according to its technical requirements to take corresponding measures. ( 2) Vortex street flowmeter installation should be away from power circuit, high power electric equipment, and other places of strong electromagnetic interference. ( 3) Type vortex flowmeter on the influence of vibration is relatively sensitive, so select installation location should be far away from the vibration area, such as must be installed in vibration area, should be on the connecting pipe with pipe support at a fixed. Vortex street flowmeter grounding requirements ( 1) Except in accordance with the specification requirements of the signal grounding and cable shielding grounding, flowmeter ontology can also, the grounding resistance in accordance with the design requirements. Like no design should be less than 10 & Omega; 。 ( 2) When the sensor and transmitter fission installation, shall ensure that the electrical connectivity in the connecting cable, usually equipped with a special connection cable, wiring should be to ensure that the shield good jumper. Article source: network, if there are any copyright, please delete! Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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