-Professional ventilation system, professional European-style blower, big-circulation exchange between spraying and coating. -Three-throttle structure can respectively adjust volume of the air supply and the exhaust. -Imported filter cotton and diesel oil burner originally imported from Italy. -Heat exchanger is made of 1Gr18Ni9Ti heat-resisting stainless steel plate and has long service life. -Fire-retardant rock wool or polystyrene heat-preservation wall board, complete floor-grid and steel-platform structure, two rows of 45° Upper-row light and two rows of lower-row light inside the room. -Totally imported electric control cabinet has phase, overtemperature, overload and short circuit protection. Differential manometer is configured to view the difference between internal pressure and external pressure at any time, guarantee safety of the operator, and to remind the user to maintain the filter system at proper time. -Configured with activated carbon exhaust treatment device to guarantee the exhaust drainage consists with national standard. -Configured with one 11KW European-style professional coating room blower to supply the air and one 11KW European-style blower to drain the air. The coating room works under slight positive pressure.Model GL4000-AA External size 7.6×5.6×3.5m Internal size 7.5×4.0×2.7m Entrance Width 3.0m Entrance Height 2.7m Fan capacity 25000 M 3 /S Air velocity 0.3-0.5 m/s Air ventilation 332 times/h Max Drying Temperature 60-80 Oil consumption 8-9 kg/piece Power 25.5 kw Suitable Automobile Type
