WARNING

Sometime in the recent past, the Internal Diameters of Allied Dyna-Flow pipe has changed according to current specifications

Dia 1 1 1/4 1 1/2 2 2 1/2 3 4
Old 1.197 1.542 1.752 2.227 2.731 3.340 4.328
New 1.191 1.536 1.728 2.203 2.703 3.314 4.310

Please select Alterations, Fitting Chart and make the appropriate changes to the Dyna-Flow entries.