... features:1, seal by structural ceramics, can prevent solid grain scour to seal face, wear, ensure valve seallasting effective.2, ... seat close together joint sealing; B. high pressure difference state , thevalve plate realize the seal face seal mainly under ... FlexiblePurpose/Application:Apply to solid such as ash, mud slag, coal slurry, pulp, sewage of solid, liquid-solid, andgas-solid two-phase medium ...