Piping Material Specification
Tolerances for Pipe Fabrication
A - Variations in the indicated dimensions for Center to Face. Location of attachments etc, shall not exceed 3 mm. (Tolerance shall be cumulative)
B - For Piping Bends having a radius equal to SIX times the diameter or larger variations in the finished pipe caused by bending including any folds and bulges shall not exceed ± 3% x Nominal Ø of the Pipe.
C - Lateral translation of flanges in any direction from the indicated position shall not exceed 1.5 mm.
D - Rotation of flanges from the indicated position as shown shall not exceed 1.5 mm.
E - Aligment of flanges shall not deviate from the indicated position measured across any diameter more than 0.75 mm.