The Model 41-D, 44-D, and 47-D Expanders are suitable for expanding tubes in condensers and/or evaporators, heaters or coolers.

The long-reach 41-D, 44-D, and 47-D Expanders are particularly suitable for thick and multiple tubesheet applications where step rolling is practiced. They are unsurpassed for use on condensers and heat exchangers of oil refineries, chemical plants, atomic energy installations, and others.

The assembly comes complete with mandrels, rolls, cage, and collar with a 1/16-Inch standard recess.

A = 1/2 (12.7mm) to 1 1/2-Inch (38.1mm) tube Outer Diameter

B = 9 (3.8mm) to 22 (.7mm) Gauge

C = 41-D - 1/4 (31.8mm) to 2 1/4-Inch (57.2mm) Tubesheet
       44-D - 2 (50.8mm) to 6 3/4-Inch (171.5mm) Tubesheet
       47-D - 2 (50.8mm) to 12 3/4-Inch (323.9mm) Tubesheet