... interface, all the intermediate part more than 5 years Manual Ceraminc Lined Knife Gate Valve Features:Excellent abrasion resistance, ... typeLight weight, easy installation,Unilateral or bilateral forced sealLow Maintenance costs,Disassembly and reusability Applicable medium:Bauxite slurry, asphalt, ... paraffin wax, slag, wood chips, ash, clay, coal, etc. Manual Ceraminc Lined Knife Gate Valve KAIERTONG