Automatic water spraying fire extinguishing system

The invention relates to an automatic water spraying fire extinguishing system which comprises a spraying system, a pre-acting system and a water supply system, the pre-acting system comprises a diaphragm valve, a diaphragm control device, a hydraulic alarm device and a diaphragm cavity compensation...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YOU ZHIWEI, WU ZHICHAO, HUANG ZHONGDOU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS
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