Introduction
The
main duct Specification: 300mm * 10 duct, 400mm * 10 duct, 500mm * 10 duct,
600mm * 10
duct, 800mm * 10 duct, 1000mm * 10 duct，
duct divided by length: 5 m / section, 10 m / section, 20 m / section.
duct by blowing into the form: pressure hairdryer, vacuum duct, air duct, ventilation air tube.
First, use: used in coal mines, tunnels, underground local fan for positive pressure ventilation;
Second, the duct structure and
duct sizes varieties: coated cloth duct by rubber coated cloth material into a positive pressure air duct, plastic and rubber coated cloth coated cloth duct pressure pressure duct.
1－ end of the ring ２－rings installed lines ３－rings ４－trans side
duct, 800mm * 10 duct, 1000mm * 10 duct，
duct divided by length: 5 m / section, 10 m / section, 20 m / section.
duct by blowing into the form: pressure hairdryer, vacuum duct, air duct, ventilation air tube.
First, use: used in coal mines, tunnels, underground local fan for positive pressure ventilation;
Second, the duct structure and
duct sizes varieties: coated cloth duct by rubber coated cloth material into a positive pressure air duct, plastic and rubber coated cloth coated cloth duct pressure pressure duct.
1－ end of the ring ２－rings installed lines ３－rings ４－trans side
Parameter
project
size tolerance（mm）
dia.（D） 300 400 450 500 600 800 1000 0±6
length（L） 5 10 20 0±100
dia.（D） 300 400 450 500 600 800 1000 0±6
length（L） 5 10 20 0±100
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