Pipe Sizing Expanders bring pipe or tube ends to a precise diameter to prepare them for soldering or brazing into sil-braz and other similar pipe fittings. A close manufacturing tolerance ensures that rolls expand in a parallel manner. When ordering this tool, please specify the tube Outer Diameter, tube Inner Diameter, tube metal and the approximate depth of rolling.
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.
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.
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.
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.
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.
Deep-Recess Collars are available for the Wilson 72 and 73 Series Expanders and allow rolling on the far end where tubes project up to 3-inches (76.2mm). To order, specify “thin Gauge collar" and assembly number and required dash number - 7300 for 1-inch, 7200 for 2-inch and 7400 for 3-inch.
Close Collars offer optional collar assembly for rolling tubes too close to shell sides and divider plates to allow for the greater diameter of standard collars to pass. Close collars are available from flush to a 15/16-inch recess for all tube expanders offered.
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.
Universal Tube Expanders can be provided in 1-1/2-inch or 2-1/4-inch roll lengths.
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.
Series 72-C and 73-C Expanders are designed for the manufacture, repair and retubing of condensers with 1/2 to 1-1/2-inch tube Outer Diameter. The roll models that are designed for 20 to 23 Gauge also come with a thin Gauge collar. The recess is adjustable with the use of space washers. The thin Gauge collar’s unique design maintains tube end contact throughout expansion. The difference between the 72-C Series and the 73-C Series is in their reach; the 72-C Series has a 1/2 to 1-1/2-inch reach, while the 73-C Series has a 3/4 to 5-1/2-inch reach.
All series are provided with 1-1/2-inch roll length.
Series 41-D, 44-D and 47-D Expanders are designed for the manufacture, repair and retubing of condensers with 1/2 to 2-1/2-inch tube Outer Diameter. The difference is in their reach. The Series 41-D Expanders are designed for a 1-1/4 to 2-1/4-inch tubesheet, the Series 44-D are designed for a 2 to 6-3/4-inch tubesheet, and the Series 47-D are designed for a 2 to 12-3/4-inch tubesheet.
All series are provided with 2-1/4-inch roll lengths.
Series 41-C, 44-C and 47-C Expanders are all designed for the manufacture, repair and retubing of condensers with 1/2 to 1-1/2-inch tube Outer Diameter. The difference is in their reach. The Series 41-C is designed for a 1/2 to 1-1/2-inch tubesheet, the Series 44-C is designed for a 1-1/4 to 6-inch tubesheet and the Series 47-C is designed for a 1-1/4 to 12-inch tubesheet.
All series are provided with 1-1/2-inch roll lengths.
Series 41-A and 44-A Expanders are designed for the manufacture, repair and retubing of condensers with a 1/4 or 3/8-inch tube Outer Diameter. The Series 41-A is designed for 1/4 to 1-inch tubesheets, while the Series 44 is designed for 1 to 3-1/2-inch tubesheets.
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