Manufacturer of spiral galvanized pipe and fittings in Minnesota, USA.Spiral Manufactuing - Commercial and Industrial Spiral Pipe, Lock-Seam High Pressure Spiral Pipe & Fittings, HVAC, SMACNA, Industrial Duct Systems, Dust Collection, Fume Systems Search: Home | Products | Downloads | About Us | News | Contact Us | Site Map PRODUCT INDEX Product Selection Schematic Standard Physical Properties of Spiral Pipe About Spiral Pipe Elbows Tee's 90° Laterals 30°/45°, Multi Branch Pant Wye's Reducers Specialty Fittings, Plugs, Caps and Couplings Pickup Hoods Weather Hoods Rectangular/Round