| 摘要 |
<p>SLIDING GATE VALVES FOR THE OUTLET OF METALLURGICAL VESSELS A sliding gate valve for the outlet of a metallurgical vessel includes two refractory valve plates 18,20 which are received in a respective support frame 16,26 with a lateral clearance. Both valve plates are provided on the support frame side with a bore 30 and an associated elongate slot 32 which are engaged by respective pegs 34,36 secured to the associated support frame. The bore 30 is situated on the longitudinal axis of the slot 32 thereby permitting thermal expansion of the valve plate.</p> |
