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Knife gate valve is used for opening and closing piping special valves in the solid materials conveying system. Its fully closed structure is applicable for outdoor condition, mainly used at silos, hoppers or the bottom of the related equipment. Product features 1. The shell and its main attachments are precision cast with good-looking appearance. 2. The channel is smoothly and ensure that the material go through freely, not be clogged up. 3. The gate plate be designed knife type, the seat is good; 4. The buffing can be 400#, apply to convey food or medicine. 5. Many kinds of material such as SS304, SS304L, SS316, 316L, WCBmeet different requirements. 6. There are three operation driving types that are manual, pneumatic and electromotion to meet different requirements.