stand-up exhaust valve is a very important meaning, so what is the actual meaning? The following to understand understand together.

sometimes have gas in the pipeline, or in the system of gas overflow, especially at the beginning of the run, when water and air to enter, the gas will be squeezed out, the gas will rise along the pipeline, the gathered at the highest point of the system, and exhaust valve is installed at the highest point system commonly. When the gas into the vent valve cavity, gathered in the upper exhaust valve, when the pressure is higher than the system pressure, with the increase of gas inside the Industrial Valves, gas valve cavity water levels fall, buoy with water levels fall, open the vent; When run out of gas, water level rises, float will rise, close the vents. Similarly, when the system is to produce negative pressure, valve chamber of the water drops, vent open. When external atmospheric pressure is greater than the system pressure, the air can enter the system through the vent port, avoid the harm of negative pressure. Verify if the exhaust valve body in the Industrial Valves cover, exhaust valve will cease to exhaust. Generally speaking, the valve cover shall be opened. Exhaust valve can also be used with cut-off valve, exhaust Industrial Valves in order to facilitate maintenance.

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