STANDARD SHEET METAL MACHINERY
1005 N Washington St. Lisbon, IA 52253 USA 1-319-408-1111
JWT duct lines are now available with in line duct seam closing
To visit product page, click on captions or pictures below.
Rectangular Duct Lines
Conventional U or Z line layouts. Produce two piece L, one piece wrap or four piece ducts complete from coil.
Full Line I Type / space saver line for finished ducts from coil with seam closing.
The Square 2 is the first half of a U or Z line. It produces notched, beaded blanks cut to length.
The Square 3 is the first half of an I line. It produces notched ,beaded blanks cut to length with male and female Pittsburgh seams.
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1005 N Washington St. Lisbon, IA 52253 Skype:standardsheetmetalmachinery Phone: 1-319-408-1111