MSDF-1500 Mold spiral duct forming machine: Each dia. of spiral duct must be processed with a duct steel mold of the corresponding size. 

Fixed molds available: 100,125,150,200,225,250,275,300,325,375,400,425,450,475,500,525,550,575,600,625,650,675,700,725,750,775,800,

825,850,875,900,925,950,975,1000,1050,1100,115,1200,1250,1300,1350,1400,1450,1500mm.