Tig Weld

Tig welding uses heat generated by an electric arc struck between a consumable tungsten electrode and the piece to fuse metal in the joint area and produce a molten weld pool joining without filler.

Wire Feed Weld

Wire feed welding joins metal by heating the piece and a continusously fed filler metal electrode with an electric arc. The filler metal serves as both heat source and filler metal for the welding point.

Large Pittsburgh

Large Pittsburgh seams use a male flange and a female pocket of 5/8″ with tab that after the male end is inserted is pounded over the top to ensure a secure longitudinal seam. Pittsburgh seams are approved for +/-10″ of pressure.

Small Pittsburgh

Small Pittsburgh seams use a male flange and a female pocket of 1/4″ with tab that after the male end is inserted is pounded over the top to ensure a secure longitudinal seam. Pittsburgh seams are approved for +/-10″ of pressure.

Snaplock

Snaplock seams use a male side with a button punch at 2″ intervals and a female side with a hemmed pocket that when joined create a solid and reliable longitudinal seam on ductwork and fittings up to +-4″ of pressure. Screws required at both ends of duct at 4″ pressure, as well as on 3″ […]