The structure of the magnetic flip plate liquid level gauge is simple, mainly including buoy, magnetic float, flap, display panel, display panel cover, connecting flange, drain valve, vent valve (non-essential, sometimes available hexagonal plug, and even flat welding Caps, depending on the needs of the user and the specific conditions) and other components. In the structural composition of the magnetic flap level gauge, many people are curious. Why does the magnetic flap level gauge add a drain valve below the gauge, and some even install a vent valve above the gauge?
This is because after the magnetic flip level gauge is in operation for a period of time, more dirt is likely to accumulate at the lower end of the magnetic float level gauge buoy, and the inner wall of the float cylinder is also stained with dirt. This will inevitably affect the magnetic flipper liquid. The position metering is normally performed. In addition, it is necessary to eliminate the liquid and dirt in the buoy when the level of the magnetic flap level gauge needs to be repaired.
At this time, the upper and lower two stop valves connected to the measuring tank can be closed first, the magnetic flap level gauge can be stopped, and the liquid drain valve can be opened by opening the drain valve at the lower end of the magnetic flap level gauge. Dirty materials were removed in a clean manner to facilitate maintenance and sewage disposal so that the measurement work can be performed normally.
However, due to the dirt in the pontoon and its stubbornness, although it cannot be ruled out by the above operation, it is necessary to assist the blowdown by means of a vent valve installed at the upper end of the magnetic level gauge. Specifically, a water pipe is used to connect with the vent valve at the upper end of the magnetic flap level gauge, and flush water or steam is used to flush or blow the float buoy. Generally, the interior of the float buoy can be flushed to restore the normal operation of the instrument.
In addition, when the buoy inner wall is relatively dirty, the float is closely attached to the inner wall of the float, and the upper end of the float catches the air. The sewage valve alone cannot discharge the dirt from the lower end of the float. At this time, the exhaust valve can be exhausted by using the upper vent valve. In this way, the dirt in the buoy is smoothly discharged from the lower drain valve.
The magnetic flap level meter, which is counted as automatic production, is generally equipped with a lower discharge valve. The upper discharge valve (sometimes a hex plug may be used instead) is selected according to the user's specific requirements.
The above is the related introduction about why the magnetic flap level gauge is equipped with a drain valve and a vent valve. For more information on level switches, level switches, and level gauges, please pay attention. WeChat public number: Jiweimeter. (The article is taken from:, please indicate the source.)
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