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MAUS TUBE EXPANDER 5R/70 & 5R/71 Series
Description
Technical specification
Maus 5R/70 & 5R/71 Tube Expanders
The MAUS TUBE EXPANDER 5R/70 & 5R/71 Series are precision-engineered, adjustable-depth five-roller tube expanders developed by Maus Italia for mechanical expansion of thin-walled tubes used in heat exchangers, condensers, and industrial boilers.
With durable alloy-steel construction, these expanders offer consistent radial compression and depth control, ensuring reliable sealing and leak-free joints.
Key Features & Benefits
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- Five Roller Design for Smooth Expansion
The 5-roller setup distributes expansion forces evenly around the pipe circumference, reducing stress and minimizing distortion—critical for thin-walled tubes and sensitive materials like titanium -
Wide Applicability with Depth Control
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5R/70 Series: Ø 15.9–38.1 mm tube ID, expandable depth from 9.5 mm to 82.6 mm (⅜″–3¼″)
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5R/71 Series: Same diameter range, but depth adjustable from 28.6 mm to 101.6 mm (1⅛″–4″)
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- Durable Construction
Heat-treated alloy steel rollers and mandrels withstand repeated use under high-performance conditions, offering long tool life - Manual with Torque Tool Compatibility
Designed to work with mechanical, pneumatic, or electric torque-controlled tube rolling tools, these expanders allow controlled expansion speed and repeatable quality results
- Five Roller Design for Smooth Expansion
| Specification | 5R/70 Series | 5R/71 Series |
|---|---|---|
| Tube Diameter | 15.9–38.1 mm (⅝″–1½″) | 15.9–38.1 mm (⅝″–1½″) |
| Expansion Depth | 9.5–82.6 mm (⅜″–3¼″) | 28.6–101.6 mm (1⅛″–4″) |
| Roller Count | 5 hardened rollers | 5 hardened rollers |
| Roller Length | 38.1 mm (1½″) | 57.1 mm (2¼″) |
| Construction | Heat-treated alloy steel | Heat-treated alloy steel |
| Operation | Manual + torque tool | Manual + torque tool |
Why Choose 5R/70 & 5R/71 Series?
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- Premium Sealing Performance – The 5-roller mechanism ensures even mechanical expansion, critical for leak-free sealing in thin tubes
- Versatile Depth Application – Two series offer flexible expansion depth options for diverse industrial needs
- Robust Durability – Built with high-strength materials; suitable for regular maintenance use
- Precision-Driven Setup – Adjustable collars and torque tool compatibility deliver repeatable, accurate results
- Thin-Wall Tube Friendly – Ideal for materials prone to stress and distortion—like titanium and stainless steel
The Maus 5R/70 & 5R/71 Series are top-tier five-roller tube expanders engineered for precision and reliability in sealing operations for small to medium-sized tubesheets. Their deep adjustment range and sturdily built rollers make them indispensable tools for professional maintenance on heat exchangers and boilers. Looking for datasheets, torque-tool combos, or local in Batam? Let me know—happy to assist further!
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