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No-negative pressure water supply equipment is our factory (Opening City Nine Days No Tower Water Supply Equipment Co., Ltd.) innovation research and development of no-negative pressure pipe network boosting equipment. The device is completely closed design, can be directly connected to the tap pipe network, through automatic gas replenishment device and flow regulator protecting the tap pipe network to form negative pressure, ensuring the tap pipe network to regulate pressure (no negative pressure), safety, sanitation to the user's water supply, avoiding the construction of concrete tank or setting water tank trouble. The device is completely closed design, can be directly connected to the tap pipe network, through automatic gas replenishment device and flow regulator protecting the tap pipe network to form negative pressure, ensuring the tap pipe network to regulate pressure (no negative No negative pressure water supply equipment uses fully the original pressure of the tap water pipe network, on the original pressure basis to achieve pressure superimposition, achieving how little, how much supplement, so that secondary pressurized equipment selection is reduced, saving investment, while at the same time in use process can also greatly save energy, is the most advanced and latest secondary water supply method.