... strictlywe can produce many kinds offloating ball valve such as 3 piece floating balll valve2 piece ... designed before are served as reference. knife gate valve type features:1, seal by structural ceramics, ... grain scour to seal face, wear, ensure valve seallasting effective.2, single seat design can effectively ... parts1. Body: WCB, WCC, LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, CF8C, CN7M,etc ...