The principle of automatic exhaust valve: When there is gas in the system, the gas will flow up the pipeline, and finally gather in the high point of the system, so the exhaust valve is generally installed in the system high point. When the gas into the automatic exhaust valve valve chamber gathered in the upper part of the exhaust valve, as the gas valve increases, the gas pressure rise. When the gas pressure is greater than the system pressure, the gas will make the cavity surface water down, the float drops with the water level, the exhaust opening; gas exhausted, the water level rise, the buoy also will rise, the exhaust port closed. Automatic exhaust valve installation: 1. Automatic exhaust valve must be mounted vertically, you must ensure that the valve body float in the vertical state, can not be horizontal or inverted installation; 2. As the gas density is smaller than the water, along the pipeline has been climbed to the system The highest point and gathered here, in order to improve the exhaust efficiency, automatic exhaust valve are generally installed in the highest point of the system; 3. In order to facilitate maintenance, automatic exhaust valve is generally used together with the cut-off valve, so remove the exhaust valve does not need Shut down the system; 4. After the automatic exhaust valve is installed, you must loosen the black dust cap to exhaust, but can not be completely removed. In case of automatic exhaust valve leakage, tighten the dust cap. At this point the exhaust port blocked, automatic exhaust valve to stop the exhaust.
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