FIELD: devices for removal of fines from flows of process gas in gas ducts and dust collectors in metallurgical industry. SUBSTANCE: two-valve gate for removal of fines from gas ducts includes body, funnels, valves, locking mechanism, levers and weights. It is provided with spool valve-ratchet with pawls which are mounted on members connected by means of connecting rods and levers. Body is provided with calibrated orifice. EFFECT: enhanced tightness of gate and enhanced operational reliability. 2 dwg
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