丹富斯紧急关闭阀【产品用途】

DF900X 型 PN10~PN25 紧急关闭阀是一种用于消防用水与生活用水并联的供水系统中，用来调配供水方向的阀门。当火灾发生时，消防急需大量用水，紧急关闭阀立即切断生活用水，确保足够的消防用水：当消防停止用水压力减小时，阀门自动打开，呈常开状态，恢复生活供水。该阀使系统无须另设专门的消防单独供水管网，大大地节约了建设成本和用水量。

【 product use 】 Dan fuss emergency shutdown valve

Type DF900X PN10 ~ PN25 emergency shutdown valve is a kind of water supply system for fire water and domestic water in parallel, is used to allocate the direction of the water supply valve. When the fire, fire in urgent need of a large number of water, emergency shut-off valve immediately cut off the water for life, to ensure sufficient fire water, when fire stops water reduced pressure, the valve automatically opens, a normally open state, restore life water supply. The valve system without setting up a special fire fighting water supply network alone, greatly saving construction cost and water consumption.