... widly used in High viscosity Silicone Sealant,Silastic,Glass Cement,Chewing gum,Cellulose,Battery,Printing-ink,Dye,Resin,Plastic,Cosmetic,Medicine Industry ... mainly Hydraulic Dumping valve,Ball Valve Discharge,Screw Extruder Discharge.5)Three Main Type:Ordinary,Pressure Type,Vacuum Type.6)Capacity ...