Flexible aluminum duct making machine, flexible aluminum tube making machine, flexible ventilation duct machine for HVAC ducts. This machine is specially for producing aluminum flexible ducts / tubes / pipes with Aluminum foil or metallized polyester film and steel wire, for those places where Extension, bending and distorting connections are needed. The finished ducts can Be insulated with glass wool used in the HVAC system. Specifications: 1) Diameter range: 80 - 600mm (maybe more upon special order) 2) Raw material: Pure aluminum foil or metallized polyester film and steel Wire 3) Working speed: 30m/min We also have another spiral aluminum flexible duct machine with pure aluminum foil
