Long Seam Pipe                   

 

Graco Metals manufactures both Single & Double wall long seam pipe.          

 

Our single wall pipe and fittings are manufactured in           

 accordance with 1995 SMACNA duct construction           

 standards.Our long seam pipe is either seam welded or           

100% wire welded.  Elbows can be three & five gore           

 fabricated.          

 

See our pdf catalog link for more information on our          

Round Single Wall Pipe           

           

 

Our Double Wall pipe and fittings are manufactured in accordance           

 with 1995 SMACNA (ACOUSTI-DUCT) 2-10 w.g. positive static duct           

construction standards  Our Double Wall construction utilizes the outer           

shell with 1-2 insulation and a perforated or solid liner.          

 

See our pdf catalog link for more information on our           

Round Double Wall Pipe           

            

 

 

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