... CF3M,CF8,CF8M,CN7M,CF8C,317LSpecial Alloy CE aproved 150lb ceramic knife gate valve Apply to such as ash, mud slag, ... as heavy medium piping system for coal preparation plantPneumatic 150lb ceramic knife gate valve features:1, seal by structural ceramics, can ... . We concentrate onone business;designing, manufacturing and marketing advanced technology steel valves in a broadrange of types and sizes. Our ...