Characteristics and Installation Considerations of Wedge Flow Meters

Abstract: The characteristics and installation precautions of the wedge flowmeter are provided by the excellent flowmeter and flowmeter manufacturers. The wedge-shaped flowmeter is a new type of flowmeter that has gradually become practical since the 1980s. Granular liquid or viscous liquid passes smoothly. More flowmeter manufacturers select models and price quotations. You are welcome to inquire. The following are the characteristics of the wedge flowmeter and the details of the installation precautions. The wedge-shaped flowmeter is a new type of flowmeter that has gradually become practical since the 1980s. The granular liquid or viscous liquid passes smoothly without stagnation on the upstream side of the throttling element. Therefore, it is especially suitable for the measurement of volume flow and mass flow in petroleum, chemical and other industries. Wedge flowmeter characteristics: 1) It is suitable for measuring mud, coal tar pitch, coal water suspension and other high viscosity fluids; 2) In the case of very low pipeline Reynolds number (even as low as Re=500), the flow rate is different from the difference The square root relationship can still be maintained between the pressures. The small Reynolds number of the orifice flowmeter is much larger than that of the wedge flowmeter; 3) The wedge flowmeter calibrated separately has higher measurement accuracy (up to 0.5%). The accuracy of the flowmeter can also reach about 3%; 4) The structure is simple, and the installation, use and maintenance are convenient; 5) It can measure corrosive media. Since the differential pressure measurement is a diaphragm-type double-flange differential pressure transmitter, Corrosive media cannot enter the pressure guiding pipe and differential pressure transmitter, so as long as the wedge-shaped throttle is processed with corrosion-resistant materials, the instrument can measure corrosive media. Instructions for use of wedge flowmeter: It is especially suitable for the measurement of medium with high viscosity, low Reynolds number, suspended particles or bubbles; the measurement accuracy is not affected and limited by the characteristics of the dielectric constant of the fluid medium; the structure of the wedge is specially designed and has diversion It has the functions of compensation for fluid viscosity change, temperature change, density change, etc.; anti-vibration, anti-shock, anti-dirt, anti-corrosion, anti-explosion; simple structure, firm, high reliability, easy installation, low operation and maintenance costs No moving parts, no wear and no recalibration for long-term use. Wedge-shaped flowmeter installation precautions 1. Generally, the wedge-shaped flow sensor is attached with front and rear measuring tubes, which can be installed and used horizontally or vertically. When the sensor is installed on a vertical pipe, the fluid should flow from top to bottom. When measuring liquid, attention should be paid to ensure that the differential pressure transmitter can remove air bubbles over and over, so as not to cause the zero drift of the instrument; 2. The upstream and downstream sides of the sensor should be equipped with straight pipe sections, and the inner wall of the pipe should be smooth, clean, and free of attachments, only the length of the pipe section is shown in the table. 3. When installed horizontally, the wedge-type differential pressure element should be 90 degrees to the centerline of the pipeline. For vertical installation, care must be taken to zero the differential pressure transmitter due to the slight static pressure effect between the pressure points. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Features and Installation Precautions of Wedge Flow Meters'

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