hydraulic seam closing machine

Hydraulic seam closing machine can be used with duct forming line, TDF roll forming machine and Pittsburgh lock machine. The ideal duct connection includes united joint and right-angle side works out seam of high quality without help of other auxilia...

Pittsburgh Seam Closer

Pittsburgh Seam Closer is a great equipment for jointing Pittsburgh lock and square edge, which greatly improve efficiency, well seal and smooth without any damage.

Round Duct Seam Closer

Round Duct Seam Closer is especially used to strengthen the button lock and particularly suitable for producing great amount of round ducts, it can combine with 3-roller forming machine or 4-roller forming machine to produce the duct which is of stan...

Duct Zipper

Duct zipper is suitable for mate flange duct and C cleat joint duct manufacture. Combined with auto duct line III, hand cleat folder,production efficiency can be greatly improved.