Smart Control Non-negative pressure water supply package。

Non-negative pressure water supply equipment is a pressurized water supply unit, which is directly connected with the municipal water supply network and provides water in series and superimposed on the basis of the residual press -ure of the municipal water network to ensure that the pressure of the munic -pal water network is not less than the set protection pressure. The core of non-negative pressure water supply equipment is how to prevent negative pressure during the operation of the seconda。