Flexible duct made of fire-retardant PVC material and spring steel ring, it is able to endure the acid, the alkali, waterproof, Anti static. It is easily to turn, connect and schlep.
It is used to connect with the portable ventilator work for exhaust air, supply fresh air、removal of heat and fumes.

 

 

Main material: the preventability buming Two-sided net cloth with the steel wire
Main specification: diameter(100mm-2000mm) length（regular 5m、10m）
Main color: yellow、orange、black、red、silvery、white……
The connection way: rope、steel nip、stainless steel hoop、plastic hoop
Remark: we can make request according to the customer!
Temperature range: -20℃~+80℃

 

 

Tied tighted with rope

Connected with iron ring

 

Connected with plastic buckle

Connected with hoop

 

Link with zipper

Function: easy to fixed and suspended When used with air fan

 

Municipal engineering

Many municipal government dispatch workers to clean the sewer, because there are many sundries orprevent the heavy rain to blocking drains. But the sewer smelled too bad and send out harmful gas to reduce the work efficiency, so for the work going well, we should use the air fan and flexible duct to exhaust ventilation.

 

http://www.yidalongvent.com/