G6-51, Y6-51 boilers ventilating fan and draught fan are used as delivery system of 2~670 ton per hour steam boilers in thermal power plants, it can also be used to remove dust, ventilate in mines and ordinary ventilation system. Machine No.:No0.8~29.5 each one has twenty Machine No., forty specifications totally Total Pressure:995~10980Pa Volume of Flow:11000~667000 cubic meters per hour