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MAUS TUBE EXPANDER R/41 Series
Description
Technical specification
Maus R/41 Series Tube Expander
The Maus R/41 Series is a set of adjustable-depth, three‑roller tube expanders tailored specifically for thick tubesheet applications in boilers and heat exchangers.
Designed and manufactured by Maus Italia, this tool ensures precise and durable mechanical expansion of tubes with diameters between 44.5 mm and 76.2 mm (1 ¾″–3″) and can be adjusted to expand depths from 25.4 mm to 101.6 mm (1″–4″)
Key Features & Benefits
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- Adjustable Expansion Depth
Depth can be fine-tuned within a 25.4–101.6 mm range, accommodating different tubesheet thicknesses - Large-Diameter Tube Capability
Suits thicker tubing (Ø 44.5–76.2 mm), common in industrial boilers and large-scale heat exchangers - Three-Roller Balanced Design
Provides consistent radial force, ensuring secure sealing and minimizing tube deformation during expansion - Robust Construction
Heavy-duty materials and precise engineering support frequent use in demanding environments - Compatibility with Torque-Control Devices
Can be used with pneumatic or electric torque-driven drivers, enabling controlled and repeatable results.
- Adjustable Expansion Depth
| Specification | R/41 Series |
|---|---|
| Tube Diameter | 44.5–76.2 mm (1 ¾″–3″) |
| Expansion Depth | 25.4–101.6 mm (1″–4″) |
| Roller Count | 3 hardened rollers |
| Roller Length | 62–68 mm |
| Construction | Alloy steel cage & rollers |
| Operation | Manual + torque-controlled driver |
Why Choose Maus R/41 Series?
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- High Compatibility – Supports larger tube sizes (44.5–76.2 mm), ideal for heavy-duty boiler and exchanger tubes
- Precise Depth Control – Adjustable settings allow consistent and secure tube seating
- Durable & Balanced – Three-roller system ensures uniform expansion with minimal risk of distortion
- Ease of Integration – Use with torque tools for repeatable, high-quality sealing
- Reliable Build – Engineered for industrial-grade durability and frequent onsite usage.
The Maus R/41 Series is an essential tool for professionals performing tube expansion on thick tubesheets in boilers and heat exchangers. With a broad diameter range, precise depth adjustment, and solid construction, it delivers reliable sealing and operational efficiency. Need datasheets, torque driver pairings? Just let me know!
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