... CE aproved 150lb ceramic knife gate valve Apply to such as ash, mud slag, coal slurry, pulp, sewage of solid, liquid-solid , ... heavy medium piping system for coal preparation plantPneumatic 150lb ceramic knife gate valve features:1, seal by structural ceramics, can prevent ... -81,MSS SP-61,API598; ISO5208 Material for main parts of 150lb ceramic knife gate valve1. Body: WCB, WCC, LCB, LCC, WC6, WC9 ...