1.Resilient renewable 2.Seated,two-way sealing , 3.zero leakage,long lifetime, 4.heat-resistant, ... are served as reference. Our ASNI Lug slurry knife gate valve type features:1, seal by structural ceramics, can prevent solid grain ... , coal slurry, pulp, sewage of solid, liquid-solid, andgas-solid two-phase medium conveying system in the pipeline for switching valves ...