Introduction of Ventilation Ducting

Main duct Specification: 300mm * 10  , 400mm * 10 , 500mm * 10  , 600mm * 10, 800mm * 10 , 1000mm * 10 .
Duct divided by length: 5 m / section, 10 m / section, 20 m / section.
Duct divided by blowing form: positive pressure duct, negative pressure duct, blowing air duct, draft duct.

Parameter of Ventilation Ducting

project       size                                         tolerance（mm）
dia.(D)       300 400 450 500 600 800 1000  0±6
length(L)    5    10   20                               0 ±100

Photo of Ventilation Ducting