This valve disc is guided by the central axis at both ends of the inlet and outlet. It can be opened and closes flexibly. It can be installed horizontally and vertically. The valve disc is loated by spring. Its fast closing can effectively eliminate water hammer, with good sealing performance and no noise during closing. The utility model has the advantages of small volume, light weight, small fluid resistance, fatigue resistance, long service life, etc. Part name Meterial Valve body WCB ZG1Gr-18Ni9ti CF8 CF3 ZG1Gr-18Ni12Mo2Ti CF8M CF3M Valve disc,Valve seat,spring 2CR13 1Gr18Ni9Ti 0GR18Ni9(304) 00Gr18Ni10(304L) 1Gr18Ni-12Mo2Ti 0Gr18Ni12-Mo2(310) 00Gr17Ni14-Mo2(316L) Suitable Mediums Water,steam,oil Nitric acid and other corrosive media Chronic Effectss Acetic acid and other corrosive media Urea and other corrosive mesia °C Suitable Temperature ≤450 ≤200 Products Detailes Process Application