FABRICATION DEPARTMENT
National is a full service fabricator and our welders are certified A.W.S.-D1.1. carbon steel,
stainless steel, and aluminum. Our pipe hangers are manufactured in accordance with MSS standard
practice SP-58. National offers design and engineering services to suit a wide variety of
special applications. National is specified by most major engineering firms.
We have worked very closely with these engineering firms to update their specifications with regard to design and application.
66" Pre-insulated Seismic Guide |
Special Slide Stands |
Roller Chair Brackets |
Special OD Clamps |
Hem Automatic Saws |
66" Pre-insulated Seismic Guide |
Special Stainless Steel Pipe Supports |
Wall Brackets |
Aluminum Pipe Supports |
Pipe Guides |
Engineered Support |
Large Inventory of Steel Plate |
Special Structural Fabrication |
Plasma Burning Table |
Pipe Rack Systems |
Stainless Steel Anchors |
Large Structural Supports |
Z Bar |
Stainless Specials |
Fabricated Frame |
Stanchion Supports |
Grinding |
Strut Frames |
Anchors |
Cradle Support |
Slide Support |
Automatic Saws |
Iron Workers |
Variable Spring Hangers |
Heavy Beam Clamps |
Waterproof Sleeves |
250 Ton Hydraulic Press |
Frames |
48" Pre-insulated Guides |
Tee Slides |
42" Flange Support |
42" Pre-insulated Guides |
Guide Cradle Slide Bearing Interface |
48" Pre-insulated Guide |