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经冶金工业部、有色总公司共同鉴定的JK系列风机,适用于冶金、有色、黄金、化工和建材等无瓦斯的矿山通风排尘及地表通风换气和降温。JK系列风机的特点是:单级工作轮最高全压率为92%,双级工作轮乃83%,比JF系列局扇提高20—30%,具有明显的节电效果;体积小、重量轻,分别只这JF系列局扇的45%和50%;与BFUD消声器配套使用,噪声
The JK series fan, jointly identified by the Ministry of Metallurgical Industry and Nonferrous Corporation, is suitable for ventilation, dust extraction, surface ventilation, ventilation and cooling of mines without metallurgy, nonferrous metals, gold, chemicals and building materials. JK series fan is characterized by: a single-stage working wheel maximum total pressure of 92%, two-stage working wheel is 83%, JF series of fan increased by 20-30%, with significant energy-saving effect; small size, light weight , Respectively, only 45% and 50% of this JF series bureau fan; and BFUD muffler supporting the use of noise