Tube rolling is a common tube to tube sheet joint connection method on shell and tube heat exchangers. This method requires fabrication precision to ensure a leak tight joint. The ID of the tubes are rolled and expanded to complete a bond between the tube and tube sheet. The craftsmanship is measured in percent wall reduction of the tube after expansion. Altex uses specific rolling tools to form the joint and precise measuring tools to determine the tube expansion. We train our employees on the
0:30
Tube rolling is a common tube to tube sheet joint connection method on shell and tube heat exchangers. This method requires fabrication precision to ensure a leak tight joint. The ID of the tubes are rolled and expanded to complete a bond between the tube and tube sheet. The craftsmanship is measured in percent wall reduction of the tube after expansion. Altex uses specific rolling tools to form the joint and precise measuring tools to determine the tube expansion. We train our employees on the
188 viewsJan 15, 2025
FacebookAltex Industries Inc.
Flues are expanded into the sheet until they make contact, then rolled slightly more to create a tight seal. We aim for about a 3% reduction in tube wall thickness once the tube contacts the sheet. The type of air motor we are driving the expander with has torque adjustable clutches. This allows us to achieve the same fit on every flue regardless of the tube sheet hole diameter. To set the torque amount, the first couple flues are measured on the inside diameter and compared to the hole diameter
0:31
Flues are expanded into the sheet until they make contact, then rolled slightly more to create a tight seal. We aim for about a 3% reduction in tube wall thickness once the tube contacts the sheet. The type of air motor we are driving the expander with has torque adjustable clutches. This allows us to achieve the same fit on every flue regardless of the tube sheet hole diameter. To set the torque amount, the first couple flues are measured on the inside diameter and compared to the hole diameter
66.9K views9 months ago
FacebookThe Backshop of the Steam Railroading Institute
Tube Expander Tools: Basic Care and Operation | T.C. Wilson
0:24
Tube Expander Tools: Basic Care and Operation | T.C. Wilson
Jul 16, 2020
tcwilson.com
Heat Exchanger Tube Installation Explained: Tube Inserting, Sleeve Inserting & End Tightening.
Heat Exchanger Tube Installation Explained: Tube Inserting, Sleeve Inserting & End Tightening.
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