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MAUS TUBE EXPANDER R/50 & R/51 Series
Description
Technical specification
Maus R/50 & R/51 Tube Expander Series
The MAUS TUBE EXPANDER R/50 & R/51 Series are precision-adjustable, manual 3-roller tube expanders from Maus Italia, designed for sealing thick tubesheets in heat exchangers, boilers, and condensers.
With adjustable expansion depths up to 171.5 mm and a robust roller cage, these models offer durable performance in demanding industrial environments.
Key Features & Benefits
-
- Wide Tube Diameter Range:
- R/50: Ø 12.7–38.1 mm (½″–1½″)
- R/51: Ø 15.9–38.1 mm (⅝″–1½″)
- Adjustable Expansion Depth:
- R/50: 9.5–152.4 mm (⅜″–6″)
- R/51: 28.6–171.5 mm (1⅛″–6¾″)
- Consistent Expansion Control:
Uses uniform 3 hardened rollers to maintain even radial pressure and precise tube deformation. - Robust Build Quality:
Constructed from alloy-steel mandrels and cage, enabling reliable use on thick tubes and resistive environments. - Pneumatic/Electric Compatibility:
Can be paired with Maus torque-controlled pneumatic or electric rolling machines to ensure uniform sealing and torque control.
- Wide Tube Diameter Range:
| Specification | R/50 Series | R/51 Series |
|---|---|---|
| Tube Diameter | 12.7–38.1 mm (½″–1½″) | 15.9–38.1 mm (⅝″–1½″) |
| Expansion Depth | 9.5–152.4 mm (⅜″–6″) | 28.6–171.5 mm (1⅛″–6¾″) |
| Roller Length | 38.1 mm (1½″) | 57.1 mm (2¼″) |
| Roller Count | 3 hardened rollers | 3 hardened rollers |
| Operation | Manual + torque machine | Manual + torque machine |
Why Choose R/50 & R/51 Series?
-
- Thick Tubesheet Capability: Designed to handle expansion in thick materials up to 171.5 mm with control and precision
- Precision Adjustment: Adjustable collars ensure exact depth settings and consistent results
- Uniform Tube Support: 3-roller mechanism guarantees balanced expansion, minimizing distortion and leakage
- Heavy-Duty Durability: Alloy steel construction resists wear and suits industrial use
- Versatile Integration: Fully compatible with torque-controlled equipment from Maus Italia for repeatable performance
The Maus R/50 and R/51 Series tube expanders combine rugged design, precise depth control, and adaptability—making them essential for thick tubesheet maintenance in heat exchangers and boiler systems. If you’d like datasheets, torque machine pairing advice, or contacts in Batam, I’m ready to assist!
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