紧急关闭阀主要用于消防用水能与生活用水并联的供水系统中，用来调配供水方向。 The 900X emergency shut-off valve is mainly used in water supply systems in which fire-fighting water can be used in parallel with domestic water to adjust the direction of water supply. When a large amount of water is required for fire protection, the valve immediately automatically cuts off domestic water, thereby ensuring sufficient fire water. When the water supply is stopped by the firefighting valve, the valve will open automatically, and it will be normally open to restore the water supply. The valve has high control sensitivity, safety and reliability, easy commissioning and long service life. This valve eliminates the need for a separate dedicated fire-fighting water supply network in the system, and saves construction costs.
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