Consumable refractory material for use with slide gate valves, including mortars, cements

Slide gate valves, including revolving valves for the flow control particularly of metal melts, and their constituent parts; drive units (mechanical, hydraulic and electric), command and control equipment as well as auxiliary equipment for slide gate valves; consumable parts for slide gate valves consisting mainly of refractory material, including well blocks, stationary closure plates, moveable closure plates, ladle nozzles, collector nozzles, changeable collector nozzles, pouring tubes, plate inserts, nozzle inserts