3-Roll Small Condenser Tube Expander (Series 44-A)

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The Series 41-A and 44-A Expanders were primarily designed for very small tubes as generally found on lubricating oil coolers and heat exchangers of similar characteristics. It features an adjustable ball bearing collar to meet the requirements of various thicknesses of tubesheets. The assembly comes complete with mandrel, rolls, cage, and collar with a flush (for 1/4-inch size) or 1/16 recess (for 3/8-inch size).

NOTE: On selection of expanders, wall thickness of tubes run either nominally or minimum wall.

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Tube44-A Expander 1-3 1/2-Inch Reach1-Inch (25.4) Roll Length Common Roll Set – Part No.
ODGARangeAssemblyMandrelCage
Inches(mm)Inches(mm)Part No.Part No.Part No.
3/8(9.5)15.225-.266(5.7-6.8)339553396534373
16.237-.278(6.0-7.1)33956339543396634372
17.253-.294(6.4-7.5)339573396734399
18.269-.310(6.8-7.9)339583396834371
19.283-.324(7.2-8.2)33959339533396934415
20.297-.338(7.5-8.6)3396033970
21.303-.344(7.7-8.7)339613397134370
22.311-.352(7.9-8.9)339623394933972
23.317-.358(8.1-9.1)339633397334414
24.323-.364(8.2-9.2)33964339523397434369

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