... piping system for coal preparation plantPneumatic 150lb ceramic knife gate valve features:1, seal by structural ceramics, can prevent ... ,MSS SP-61,API598; ISO5208 Material for main parts of 150lb ceramic knife gate valve1. Body: WCB, WCC, LCB, LCC, ... -300LB or PN10-PN16ActuatorsHand wheelpneumaticBevel gearHydraulic cylindersOther actuators available Size 2" to 14" (DN50 to DN350)Flange Drilled BS, ...