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比例式减压阀,可以取代高层建筑中间水箱,减少费用,并扩大建筑物的实际使用面积,具有工作无噪声、既减静压又减动压、供
The proportional pressure reducing valve can replace the middle water tank of a high-rise building to reduce costs and expand the actual use area of the building. It has no noise, reduces static pressure, and reduces dynamic pressure.