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Exhaust valve is used in independent heating system, central heating system, heating boiler, central air conditioning, floor heating and solar heating system and other pipe exhaust. Because water is usually dissolved in a certain amount of air, and the solubility of air decreases with the increase of temperature, so that in the process of water circulation, the gas gradually separated from the water, and gradually gathered together to form large bubbles or even gas column, because there is water to supplement, so often gas is produced.
Update time:20191226134227