| 摘要 |
A control unit for a humidification system using steam as the air moistening agent. The unit includes a closed chamber for low-pressure exit steam located within a closed chamber for high-pressure entry steam to assure that the exiting steam is dry or superheated. A slide valve located in the entry steam chamber opens and closes a port between the two chambers in response to the moisture condition in a space being humidified by steam from the control unit.
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