HVAC duct line VI,the U-shaped structure not only saves the production site, but also reduces the delivery time of raw materials. The production efficiency is high (about 20-23 seconds per piece). The department fully automatically realizes the fixed size cutting, beading, automatic cutting ,the notching,pittsburgh forming, TDF flange and the angle iron flange ,automatically forming and bent into ”L“, ”U“, ”口“ shaped duct. Equipped with punching support air, common plate flange hole is optional.It has the advantages of high automation, high efficiency, labor saving and material saving.

TDF flange forming machine applies both sides feeding and simultaneously shaping work mode, one side forming and one side forming is for installing hooks. TDF folder is with hydraulic,pneumatic,manual type.

TDC Flange Forming machine is the advanced technique in the world to manufacture square duct.It realizes standard,automation and mass production during producing rectangle flanges.

Duct lock forming machines can process galvanized sheet with different thickness into various shapes,such as profile pittsburgh,single hem,double hem,snap hem,elbow,S shape and so on.

HVAC square metal folding machine comes into being serialization,including hydraulic,pneumatic,manual，which offers customers many choices.

HVAC Quintuple Groove Beading Machine press the sheet with no limited length and form several reinforced veins.The veins are to stiffen the plate.Clients can order the machine according to thickness,width and number of beads on metal sheet.

The spiral air duct machine is divided into molding type of rolling cutting and steel strip of saw cutting. The molding of corresponding size must be used for each size of spiral air pipe. For the steel strip type,adopt different specifications and lengths of steel strip, can process the corresponding size of air duct.

HVAC plasma cutting machine is  mainly consists of the host system and its associate software system. The electrical control system is mastered by computer and equipped with excellent cutting software which is often used for different kinds of duct blanking.

Whisper-Lock Seam Closer is available in the horizontal or vertical and close pittsburgh seams.Pittsburgh joint is commonly used  by manually hammering the margin of the seam against the duct wall(peening).It is suitable for plates of different thickness.To some extend,it can produce any size duct.

Convenient, fast, portable sewing machine is an ideal tool for efficient, rapid completion of pittsburgh commissure.

 HVAC Corner Inserting Machine is Pneumatically powered, inserts corners into single-end or both-end(optional) in seconds automatically and crimps them into place.

Angle iron flange punching and cutting including total 5 parts: Feeding device, major part, cutting device, hydraulic and electric system. PLC control system can improve accuracy , more effective and lower cost.