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MANUALLY DRIVEN SLIDE GATE VALVES AND REVOLVING VALVES FOR THE FLOW CONTROL PARTICULARLY OF MOLTEN METAL, AND THEIR STRUCTURAL PARTS

AUTOMATICALLY DRIVEN SLIDE GATE VALVES AND REVOLVING VALVES FOR THE FLOW CONTROL PARTICULARLY OF MOLTEN METAL, AND THEIR STRUCTURAL PARTS; DRIVE UNITS FOR SLIDE GATE VALVES, NAMELY HYDRAULIC CYLINDERS, BELL CRANK DRIVES AND GEAR DRIVES

CONTROLLERS FOR SLIDE GATE VALVES; GAS CONTROLLERS FOR GAS FLOW TO SLIDING GATE VALVES; MOLTEN METAL LEVEL MEASURERS

CONSUMABLE PARTS FOR SLIDE GATE VALVES CONSISTING MAINLY OF REFRACTORY MATERIAL, NAMELY WELL BLOCKS, STATIONARY CLOSURE PLATES, MOVEABLE CLOSURE PLATES, LADLE NOZZLES, COLLECTOR NOZZLES, CHANGEABLE COLLECTOR NOZZLES, POURING TUBES, PLATE INSERTS, NOZZLE INSERTS; CONSUMABLE REFRACTORY MATERIAL FOR USE WITH SLIDE GATE VALVES, NAMELY MORTARS, CEMENTS, RAMMING MATERIAL, GRANULAR FILLER MATERIAL