... basement or floor. 2 rows of pits in the ground for exhaust air, dimension of each pit is 10000×750 mm ... air system: 2 units, in total 4×4KW centrifugal fans for intake air, model YDW4.5L, air capacity is 12500m3/h ... , model TAE-500H, belt-drive, air capacity is 20000M3/H for each fan. 11) Heating system: 2 pcs RIELLO RG5S oil ... speed: >=0.25m/s16) Total Power:34.7 KW Industrial spray booth