... YDW4.5L, air capacity is 12500m3/h for each fan; 2×7.5KW centrifugal fans for exhaust air, model TAE-500H, belt-drive ... , air capacity is 20000M3/H for each fan. 11) Heating system: 2 pcs RIELLO RG5S oil burners, 260000 Kcal/pc ... switch, emergency stop, hour meter, limited-temperature device.15) Free air speed: >=0.25m/s16) Total Power:34.7 KW Industrial spray ...