The selection and installation of meter scale

Abstract: the power of the selection and installation of meter scale information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Power of the selection and installation of meter 1, power meter, mechanical size is according to the size of the installation of pipeline tailored, its measuring range is provided according to the craft flow calculation and calibration data. Selection, must give manufacturers to provide the correct. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the selection and installation of meter scale powerful article details. Power of the selection and installation of meter 1, power meter, mechanical size is according to the size of the installation of pipeline tailored, its measuring range is provided according to the craft flow calculation and calibration data. Selection, must give manufacturers to provide the correct flow data and pipe size, pipe size including outside diameter and wall thickness. Flow meter must be installed according to the standard, to ensure that the error of the measuring system in the permitted range. 2, test the front of the sensor pipe must ensure that there are 7 ~ 9 d d straight pipe length ( This data is various manufacturers have different information, from the 3 d and 30 d all) To make big pipe liquid, gas ( Steam) The flow rate of the body axis symmetrical distributed in as far as possible. Only in this way, the flow rate of the measured points can be calculated through the whole cross section of flow, or large pipe liquid, gas ( Steam) The body of the velocity distribution will be very complicated, the discharge coefficient K of fluctuation will be big, cannot guarantee the accuracy of the measurement. But in the actual process design can't guarantee a long straight pipe. The author thinks that some form of power meter, such as the selection can be conferred with the suppliers under the precondition of guarantee system of repeatability, try to shorten the straight pipe, the relevant information, as long as the ratio of the diameter and process pipe diameter measurement is less than 1/10, the front line of straight pipe length to be 3 d to 4 d. 3, lever measurement sensor, total pressure hole must be positive to flow, deviation is not more than 7 & deg; 。 Detection rod should be inserted to the bottom along the pipe diameter, and the vertical pipeline detection rod circumference of 360 can be installed in horizontal pipe along the pipe & deg; Any position. High and low lead pressure tube should be in the same plane; For horizontal pipe, measuring lateral tilt down when installation. Flow meter can be measured accurately and the length of its service life has direct relationship with whether or not installed correctly, once the flow meter installed, has affected the accuracy of flowmeter system error will always accompany, it is difficult to remove from the software. You may refer to the correct installation of differential pressure type flowmeter installation specification, go here. 4, test rod through joint fixed on the pipeline, tighten the joint, after testing stem not loosening and leakage. Pipeline vibration and fluid impact can make detection rod fixed head mobility, detecting rod fracture damage, affect the accurate measurement and cause economic losses. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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