V-Series
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Product description
Product description
V Series Tube Expanders for Non-Parallel Expansion
The V Series is a tube expander for the non-parallel expansion of boiler tubes in thin tube sheets. The series is designed for repair work and boiler construction and allows for significantly faster processing compared to conventional expanders.
Technical Benefits
The V Series was developed for non-parallel tube expansions. This makes it particularly suitable for boiler tubes in thin tube sheets where controlled expansion geometry is required. Due to its design, work can be done about twice as fast in many applications as with conventional tube expanders.
Sketch of the installation situation with overrolling, tube sheet thickness, and tube protrusion.
Product view with A-B marking for the expansion area.
Technical Data V Series
| Tube O.D. | Tube Wall BWG | Tube Wall Inch | Expansion Range A–B mm | Expansion Range A–B Inch | Effective Roller Length mm | Effective Roller Length Inch | Model | Short Mandrel | Header Mandrel | Square Mandrel | Spare Roller Set |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1" 25.4 mm |
10–13 | .134–.095" | 17.3–23.7 | .681–.937" | 84.20 | 3.5/16" | V-1 | VSM-1 | VHM-1 | 1/2" 12.7 mm |
VR-1 |
| 1.1/4" 31.8 mm |
10–13 | .134–.095" | 23.8–30.6 | .940–1.206" | 84.20 | 3.5/16" | V-2 | VSM-2 | VHM-2 | 1/2" 12.7 mm |
VR-2 |
| 1.1/2" 38.1 mm |
10–13 | .134–.095" | 29.3–37.3 | 1.156–1.469" | 101.20 | 4.000" | V-3 | VSM-3 | VHM-3 | 1/2" 12.7 mm |
VR-3 |
| 2" 50.8 mm |
10–13 | .134–.095" | 42.3–49.7 | 1.665–1.960" | 101.20 | 4.000" | V-4 | VSM-4 | VHM-4 | 3/4" 19.1 mm |
VR-4 |
| 2.1/2" 63.5 mm |
10–13 | .134–.095" | 54.5–62.7 | 2.145–2.469" | 101.20 | 4.000" | V-5 | VSM-5 | VHM-5 | 3/4" 19.1 mm |
VR-5 |
| 3" 76.2 mm |
10–13 | .134–.095" | 68.2–76.6 | 2.687–3.015" | 101.20 | 4.000" | V-6 | VSM-6 | VHM-6 | 1" 25.4 mm |
VR-6 |
Note: Inch sizes in the description are additionally given with approximate metric values. The table contains original inch values as well as existing metric columns to maintain technical assignment and spare part identification.
What types of work is the V Series suitable for?
The V Series is used when boiler tubes in thin tube sheets need to be expanded non-parallel. Typical applications include boiler repairs, new construction, maintenance, and assembly work on tube sheets where fast and reproducible tube processing is required.
The hyTool Quality Promise
The hyTool Quality Promise
At hyTool, quality comes first. Our tools and systems are reliable, durable, and meet all relevant national and international standards. Each product is tested, documented, and designed for continuous professional use – so you can rely on safe and reproducible results in every application.
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