The lay flat ventilaiton duct adopt such technology and crafts: Conglutinate the cylinder by
Heat and then form in the final shape. There is no joint lengthways.
It has such features: Fire retardant, antistatic, low resistance, low air leak, with high intensity
And density. It is available in the mine and tunnel for air ventilation collaborating with fanner.
PVC coated lay flat ventilaiton duct passed all the tests by the national safety production mine
Equipment testing center. Our products meet MT3-1995, MT164-1995, MT165-1995, MT914-2002 national standards and are authorized to use safety symbol for mine used products. We
Are one of the appointed airduct manufacturers by Coal Ministry and Ministry of Chemical Industry.
The size of vent ducts is from 200mm--1300mm (diameter)/ 10m (length);
All specification can be customrized.