The 1.2mm Pittsburgh Lock Former is a piece of necessary equipment for HVAC air duct manufacturing. And this SA-12HB Pittsburgh lock forming machine is designed for the 0.5- 1.2 mm thickness galvanized sheet.

Performance Features

Multi-function Pittsburgh lock forming machine can form 6 shapes (7-function is available) to finish sheet connection. Six shapes include Pittsburgh(Female), Right angle(Male), Standing seam, C shape locking pin, Curving angle, and Z shape.

What’s more, we can customize the S shape and snap-lock for sheet locking. The standard machine can make the 0.5-1.2 mm thickness galvanized sheet. The lock former usually has two models, one max thickness is 1.2 mm, and another max thickness is 1.5 mm.

Our company specially introduce high-strength rolling reel made of GCR 15 steel which can prolong the machine life by more than 5 times and greatly heighten the efficiency.

The 1.2mm Pittsburgh Lock Former can be divided into two types according to duct shape. One type is square duct lock forming machine, for example, 6-function one. The other is a round duct lock former.

The square duct lock forming machine is a part of rectangular ventilation air duct forming machines, it can be used with other rectangular HVAC duct forming machines together to achieve a whole duct production, such as TDF flange forming machine, pneumatic TDF sheet metal folding machine, beading machine, electric shearing machine, square duct lock seam closing machine, clips cutting machine, etc.

The round duct locker machine can be used with the electric rolling machine, round duct lock seam closing machine, bead roller, and so on.

About after-sales service, we have professional technicians who can teach you how to operate machines by video and we can also provide engineer overseas service or you can send your workers to our factory in China to learn operation method.

Working Schematic Diagram

Product Photos