4 and 5 Roll Condenser Expanders – 1/4” to 1-1/4” Outer Diameter
Series 72-D and 73-D Expanders are also designed for the manufacture, repair and retubing of condensers with 1/2 to 1-1/2-inch tube Outer Diameter. They are both available in 4 and 5 roll models. The 5 roll models also come with a thin Gauge collar. The Series 72-D Expander has a reach of 1/2 to 2-1/4 inches, while the Series 73-D has a reach of 1-1/2 to 6-1/4 inches. All part numbers are easy to identify and interchange with competitor part numbers.
All series are provided with 2 1/4-inch roll lengths.

Universal Tube Expanders Series UE-800, UE-1200 and UE-1200-A are designed for condenser tubes with a 1/2 to 1-1/2-inch Outer Diameter. The Universal Tube Expander is compatible with competitors’ products, including Airtoole and Cooper.
Thrust-Bearing Collars are assembly-furnished on all Expanders up to 1-inch Outer Diameter, except Wilson 72 and 73 Series Expanders, Gauge 20 to 23. Up to 15/16-inch recesses are available on request.
Relieved Rolls are designed for rolling tubes with welded ends or expanding tubes at baffle sheets. They adapt to any Wilson 41, 44, 47, 72, 73 or UE Series Expander. They can be installed in minutes. To order a set of Relieved Rolls, simply specify the expander assembly part number and the effective roll length.
The Long-Reach Expander is designed to expand tubes at points as far back as 12 feet and even further upon request. This expander’s reach goes all the way to the point through which a tubesheet crosses a baffle sheet. The Long Reach Expander is designed for tubes with a 5/8 to 4-1/2-inch Outer Diameter and 8 to 22 Gauge.
The Captive Mandrel Expander enables tubes to be rolled in places where mandrel travel is limited due to restriction in the tube’s Inner Diameter or tube bends near the rolling area. When ordering a Captive Mandrel Expander, please provide the details of your specific application including the tube Outer Diameter, Gauge, tubesheet thickness and maximum mandrel travel.
Linsen Expanders are power-driven tools designed for making tube connections without fittings. This expander enlarges the end of a tube leaving a .015-inch clearance for slip that allows for another tube to be inserted and soldered. This type of expander is perfect for short bends, U-turns, copper, brass, aluminum or thin steel tubing.



