4-79型離心式通風機可輸送空氣和其它不自燃的，對人體無害的，對鋼材無腐蝕性的氣體。氣體內不允許有粘性物，所含塵土及硬質顆粒物不大于150mg/m3。氣體溫度不得超過80℃。該風機具有良好的氣動性能，葉輪、帶輪均經嚴格的靜、動平衡校正，具有運轉平穩、振動小、效率高等特點。廣泛適用于工礦企業、大型建筑物，賓館、酒樓室內通風換氣排煙。
ModeI 4-79A centrifugal ventilators can air and other non-hypergolic gas which are not harmful to the human body and wilI not cor．rode steeI materials．The adhesive materials are not allowed in the gas．Its con-taining cust and hard particles should not exceed 150mg/m³。gas temperature not exceed 80℃．lt has sound pnoumatic，performance．The paddle．wheeI．pulley have have been implemented with static．dynamic balancing correction．There-fore it has features such as balanced running，little vibration，high efficiency long Iife etc．1t is widely applicable for the indoor ventilation，air-exchange，exhaust in the mining and industrial enterprises，large—size architectures，guesthouses，res-taurants etc．