This is machine is special for producing round & flat corrugated ducts used in expressway, bridge, train and large-span post-tension concrete project. It is suitalbe for both indoor and site work.

Duct diamater range: 35~157mm

Suitable material: galvanized steel strip, 0.1~0.4mm, 36mm wide

Pitch of spiral: 25mm

Seam type: double lock seam

Working speed: 4 m/min

Round duct roll forming machine is comprised of decoiler, guiding & lubricating device, main forming unit, lubricant cooling system, electric control system, flying wheel cutter and unloading rack.

Detailes please contact us.