Pneumatic lock seaming machine is the convenient one which can be used to lock max length 1250 mm rectangular air tube. The machine needs to connect with air pump.
Electric lock seaming machine can lock square HVAC air duct. The sheet thickness range is 0.3-1.2 millimeters. This machine is small and very easy to operate.
Hydraulic duct lock seaming machine is used to lock 0.3-1.2 mm thickness rectangular HVAC air duct within 1500 mm length. The machine adopts PLC control and hydraulic drive.
HG50 High Frequency Welded Tube Mill is also known as high frequency straight seam welded pipe, the carbon strip steel Q195Q23516Mn ,other cold-forming or hot-forming steel strips are fit for it.