Air trap

Japanese: エアトラップ - えあとらっぷ
Air trap

…[Masakazu Kato] (2) A valve that automatically discharges only fluids that are different in quality or phase from the main fluid from a piping system that transports liquids, gases, steam, etc. Specifically, there are vents for removing air from water piping, air traps for removing condensed water from air piping, and steam traps for removing condensed water from steam piping. The principle of automatic discharge is often to use the density difference to open the valve when a certain amount of fluid is discharged. …

*Some of the terminology that mentions "air trap" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…【加藤 正和】(2)液体,気体,蒸気などを輸送する配管系から,その主要流体とは異質または異相の流体のみを自動的に排出する弁。具体的には,水配管からの空気排除を目的としたベント,空気配管からの凝縮水の排除を目的としたエアトラップ(空気トラップ),蒸気配管からの復水の排除を目的としたスチームトラップ(蒸気トラップ)などがある。自動排出の原理は,排出する流体が一定量に達すると,密度差を利用して弁を開放するものが多い。…

※「エアトラップ」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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