Speed, the scale of the flowmeter installation steps and instructions

Abstract: the installation steps of speed, the flow meter scale and that information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. The installation procedures and instructions of the speed, the flowmeter, the flow meter is very wide, the main purpose of the can be on any measure of gas and liquid, has the very good accuracy and stability, especially its measurements can be repeated, further. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a quick, the installation steps and article details of flow meter scale. The installation steps and the instructions of the speed, the flowmeter, the flow meter is very wide, the main purpose of the can be on any measure of gas and liquid, has the very good accuracy and stability, especially its measurements can be repeated, further improve the measurement accuracy. Speed, the flowmeter is a very convenient to install, and not easily broken a measuring tool, the characteristics of these is one of the reasons why many people love, * for widely in the field of industrial purposes. Although people use very much, but people to use speed, the step of flowmeter is not very clear, as below we briefly introduce some steps. One is in the use of speed, the flow meter must be determined before the installation location and installation requirements, only get a good idea to ensure the installation fast and use; 2 it is to drill the steps is very important, when measured with flow meter is a must to the drilling of measured object, the hole position is different, the measured object is also different. The third step is to speed, the flow meter welding with welding object, used the flow meter installed on a fixed position, to measure the horizontal position, but before welding must not prevent some small debris flows into the meter, otherwise will cause damage to flowmeter. Speed, the installation speed of flowmeter, the installation of the flowmeter want to consider the location of flowmeter, the length of the liquid flow, the intuitive section of upstream and downstream, pipe diameter, environmental impact, Temperature, electromagnetic radiation, corrosion), , vibration, factors such as the installation of valves, pipe support. General requirements same and concentric flow diameter and pipe diameter, the length of straight pipe upstream usually depends on the upstream resistance ( Shrink tubing, expansion pipe, elbow, valves) Form, the average length of straight pipe upstream to ensure the 20 d, 5 d (downstream Where D for pipe diameter) 。 When a valve or valve upstream resistance, must ensure that the length of the straight pipe upstream of not less than 40 d. Flowmeter installation location to avoid high temperature, corrosion, electromagnetic radiation, the source of vibration, and should also be considered when the vibration is strongly support to reduce the effect of amplitude. At speed, the flow meter is used for control circuit, the recommended flow meter is installed in the downstream of valve. Usually in order to avoid vibration or some unpredictable reasons, in the upstream flow meters installed restrictor, expansion or storage tank, in part to absorb fluid vibration and impact, it is particularly important in the control loop. If predict the vibration of a certain direction, speed should be avoided, the direction of flow meter installed in the vortex lift and vibration in the same direction. Speed, the flow meter are in a horizontal pipe installation, the ultrasonic probe should be in the middle position on either side of the horizontal line ( The spiral body up and down in the vertical position) 。 Doing so is that bubbles easily gathered at the top of the pipe, big foreign body flow along the pipe at the bottom, they will interfere with the ultrasonic through, according to the above methods of installation and is effective to avoid the above phenomenon, benefit measurement. Ensure the pipe diameter and flow meter diameter is same manufacturer to the user to use the basic requirement of flow meter. But in the practical use show that the result of foreign manufacturers meter diameter have different standard, the standard pipe diameter and the national standard pipe diameter is different under the same nominal diameter. In addition, project size at the same time, due to the pressure level requirement is different, the pipe wall thickness is different also. Users in the selection and installation speed, the flow of time often ignore the problem of pipe matching, and therefore easy to cause additional error.

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