High-point exhaust and low-point drainage device

The utility model provides a high-point exhaust device. The high-point exhaust device comprises a bottom flange, at least one 32-caliber adjusting ball valve, a self-closing connector valve, a quick connector and an outlet pipe. The bottom flange is connected with a ground well flange of an airport...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHANG QIFENG, ZHENG LEQI, ZHANG JILIANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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