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| Product name | Duct lock forming machine |
| Model | SA-12HB |
| Thickness | 0.5-1.2mm |
| Power | 1.5kw |
| Weight | 230kg |
| Size | 1060*580*1000mm |
| Feature | Electric |
| Functions | 7 |
| After-sales Service Provided | Engineers available to service machinery overseas |
| After-sell service | Life time service |



Preda duct lock forming machine also named pittsburgh lock former or pittsburgh rollformer. The machines are mainly used in the production of HVAC air ducts and is one of the most basic production equipment.
The duct lock forming machine can make 7 kinds of different duct shapes for duct making. This is a multifunctional machine. The desired shape can be produced by adjusting the positioning plate.
Duct lock forming machine/Pittsburgh lock former has two types SA-12HB and SA-15HB.
SA-12HB is with capacity of 0.4-1.2mm (18Ga) thickness galvanized sheet and the SA-15HB is with capacity of 0.4-1.5mm (16Ga) thickness sheet.
Standard export wooden packing or 20 feet and 40 feet container package.
3-20 days after confirming order,detail delivery date should be decided according to
production season and order quantity.

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