定压补水装置是一种供水设备，广泛应用于住宅小区、工厂、商业、宾馆、医院、军事设施等多层或高层建筑的生活供水、消防供水以及工业锅炉供水。

Constant pressure water supply device is a kind of water supply equipment, which is widely used in residential quarters, factories, commerce, hotels, hospitals, military facilities and other multi-storey or high-rise buildings, fire water supply and industrial boiler water supply.