S Clip Lock Forming Machine

Duct locking machine is necessary in duct area because it can produce all kinds of types to meet locking requirements. Standard machine can process 0.5-1.5mm galvanized sheet metal, and our company would specially introduce high-strength rolling reels made of GCr15, a kind of steel which prolongs the machine life by more than 5 times and improve the efficiency dramatically.


Duct Pittsburgh Lock forming machine/Pittsburgh lock roll former is a basic HVAC duct forming machine that forms the locks of a duct.
Preda Machine Pittsburgh lock former is made from highest quality components which include an all steel forming head hardened with ground shafts.
The steel forming rolls on this Pittsburgh lock machine are hardened using matching cut gears and needle bearings which can be used for years.


Performance Features:

1) Small and mobile machine.
2) Only one person can operate, it don’t need a lot of people to operate.
3) More functions, suitable for the HVAC duct production requirements.
4) The machine is widely used, and one machine can be used for many years.
5) Suitable for 0.5-1.2mm galvanized steel coil, can be successful at one time.


Machine Parameters:


Max sheet thickne (mm)


Power (kW)



Dimension L*W*H (mm)






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Additional information

Weight 500 kg
Dimensions 5 × 5 × 15 cm