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Class 250 (extra heavy) iron flanges are manufactured to American National Standard ASME B16.1 and are marked 250. Class 250 iron flanges are available in both black painted and galvanized.
Fig. 1021
Unit of Measure
1 

Item #

CAD

BIM

Coatings

Weight

2 1/2-1021-Black N/A CAD Icon (for items table) N/A Revit Icon (for items table) N/A Black N/A 11 lb
3-1021-Black N/A CAD Icon (for items table) N/A Revit Icon (for items table) N/A Black N/A 14 lb
4-1021-Black N/A CAD Icon (for items table) N/A Revit Icon (for items table) N/A Black N/A 23 lb
6-1021-Black N/A CAD Icon (for items table) N/A Revit Icon (for items table) N/A Black N/A 42.0 lb
8-1021-Black N/A CAD Icon (for items table) N/A Revit Icon (for items table) N/A Black N/A 70.0 lb
Unit of Measure
1