Newstar is a famous and very professional supplier of PVC flexible ventilation duct for mines and tunnels in China. Newstar has the annual production capacity of PVC flexible ventilation duct of more than 720,000 meters.  Newstar has one full set of automatic production line from yarn wrapping, mesh weaving, PVC compounding, PVC coating, surface treatment to PVC ventilation duct fabrication.

Newstar can customize to make the ventilation duct like weight, color, thickness of ventilation duct fabric, diameter of vent tube, tensile strength, tearing strength, adhesion strength, bursting strength of welding joint place, coupling type ( connection method), section length of ventilation duct, packing. Newstar can also customize the fire resistant / flame retardant property referring to ISO standard, ASTM standard, European standards like DIN 4102-B1, B2, grade, M1, M2 grade.

And Especially for coal mine ventilation, Newstar developed a new type of colorful anti-static ventilation fabric to avoid gas / duct / methane explosion. It is different from the traditional anti-static ventilation duct fabric which is only in black.  Adopting the new technology, Newstar can make FRAS ventilation duct in any color like yellow, orange, green, white, grey etc.  The surface resistivity of Newstar FRAS ventilation duct is steady and long lasting. The property of anti-static function is tested and certified by SGS testing organization. It will not descend after use for a long period time in the mining and tunnelling ventilation.

The coupling type / connection method of Newstar Flexible PVC ventilation duct can be different.   Newstar can make steel ring coupling, zipper coupling, Velcro coupling , Aussie type coupling as our customers request.

Newstar air forcing duct / lay flat ventilation duct / straight length vent duct are used for conveying fresh air to underground worksite. They are used in positive pressure application. Newstar spiral duct / concertina / negative pressure ventilation tube are used for gas exhaust.  They are used in negative pressure application.   Besides PVC air forcing ventilation duct and spiral duct with steel ring reinforced, Newstar can also make accessories like T-piece, Y-piece, Branch, Reducer / cone, adaptor and converter.