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Key points to note for installation at the top of magnetic flap level gauges

2019-05-13View Original

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  Magnetic flap level gauges are widely used in industries such as power, petroleum, chemicals, metallurgy, environmental protection, shipbuilding, construction, and food for the measurement and control of liquid levels during production processes. The product offers high sealing properties to prevent leaks, and it can measure liquid levels safely and reliably under conditions of high temperature, high pressure, high viscosity, and strong corrosivity. There are no blind spots in the measurement process; the display is clear and the readings are easy to interpret. It also has a wide measurement range. With level alarms and control switches, it is possible to set upper and lower limits for level or boundary detection and to control them. When combined with a magnetic flap level gauge transmitter, it can further enhance the functionality for measuring liquid levels. The boundary signal is converted into a standard 2-wire 4–20 mA DC signal, enabling remote detection, indication, recording, and control. 1. The installation location of the level gauge should be away from or distinct from the inlets and outlets of the material flow, in order to prevent rapid changes in the local conditions of the material stream, which could affect the accuracy of level measurement ; 2. No magnetic materials are allowed to be in the vicinity of the level gauge itself; it is prohibited to use wires for fixing it, as this will affect the proper operation of the magnetic float level gauge. 3. The magnetic flap level gauge must be installed vertically, and a ball valve should be placed between the magnetic float level gauge and the container’s inlet pipe to facilitate maintenance and cleaning. 4. Open the bottom flange and insert the magnetic float (note: the end with magnetism should face upward; it must not be installed upside down). ) 5. When users install heating pipelines on their own, they must use non-magnetic materials, such as copper tubes. The heating temperature is determined based on the properties of the medium. 6. The medium should not contain any solid impurities or magnetic substances, as these can cause obstruction to the float. 7. Before using the magnetic flap level gauge, use calibration magnets to turn the ball below the zero mark red and the other balls white. 8. During adjustment, first open the valve on the upper pipe, then slowly open the valve on the lower pipe to allow the medium to flow into the main pipe steadily (it is important to avoid sudden impacts of the medium on the float, as this can cause significant fluctuations in the float’s position and affect the accuracy of the readings). Check whether the red and white magnetic balls flip properly; after that, close the valve on the lower pipe and open the drain valve to lower the liquid level in the main pipe. Repeat this process three times to ensure normal operation (except for corrosive or similar special liquids). 9. Depending on the properties of the medium, the main pipe should be cleaned periodically to remove impurities. 10. For level gauges with a length exceeding a certain threshold (normal type: >3 meters; corrosion-resistant type: >2 meters), intermediate reinforcement flanges or brackets must be added as support to enhance strength and counteract the weight of the gauge itself. For more information, please visit the company’s official website at http://www.yb1518.com/. Please retain this link when reproducing the content! http://www.yb1518.com/uploadfiles/image/2010-11//201011191011384084.jpg

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