... ,CF3M,CF8,CF8M,CN7M,CF8C,317LSpecial Alloy CE aproved 150lb ceramic knife gate valve Apply to such as ash, mud slag, coal ... as heavy medium piping system for coal preparation plantPneumatic 150lb ceramic knife gate valve features:1, seal by structural ceramics, can prevent ... SP-61,API598; ISO5208 Material for main parts of 150lb ceramic knife gate valve1. Body: WCB, WCC, LCB, LCC, WC6, WC9, C5 ...