产品描述 Product Description

进口微阻缓闭蝶式止回阀结构设计新颖合理，形体小、重量轻，密封性能良好，流通能力强流阻小，具有缓闭消声、无振动、无噪音功能。可根据不同的水况调节最佳的缓闭时间，消除水锤。主要用于高层建筑及消防系统等给排水管道上，安装在水泵的出口处，用以截断介质的回流，消除破坏性水锤，保证管路、水泵的安全运行，具有较好的节能效果。

The imported micro resistance slow closing butterfly check valve has a novel and reasonable structural design, small size, light weight, good sealing performance, strong flow capacity, small flow resistance, and has slow closing noise reduction, vibration free, and noise free functions. The optimal slow closing time can be adjusted according to different water conditions to eliminate water hammer. Mainly used on water supply and drainage pipelines in high-rise buildings and fire protection systems, installed at the outlet of water pumps to cut off the backflow of media, eliminate destructive water hammer, ensure the safe operation of pipelines and water pumps, and have good energy-saving effects

压力等级：PN10-PN25

规格尺寸：DN100～DN800

适用温度：0～80℃

主要零件材质 Structure and main component materials

安装示意图 installation diagram