Flexible Shaft Machine
SAPSONS Flexible Shaft Machine is a heavy-duty, portable tube-cleaning system that uses an electric motor, flexible shaft and specialized cleaning tools to mechanically remove scale, sludge and deposits from industrial tubes. Its flexible shaft allows cleaning of straight as well as bent tubes, making it useful for boilers, heat exchangers, condensers, evaporators and other process equipment. With 3–7.5 HP motors, 1440/2880 RPM speeds, multiple shaft sizes and built-in electrical protection, the machine is designed for efficient, reliable and low-maintenance industrial tube cleaning.
Description
SAPSONS Flexible Shaft Machines are portable industrial tube-cleaning machines designed to remove scale, deposits, sludge and blockages from the inside of tubes used in boilers, heat exchangers, condensers, evaporators, air heaters and sugar-processing equipment.
Description
The machine uses an electric motor to transmit rotary power through a heavy-duty flexible shaft to a brush, cutter or other tube-cleaning tool. Because the shaft is flexible, it can enter both straight and curved/bent tubes while protecting the tube’s internal surface.
Main components:
- TEFC electric motor – provides continuous rotary power.
- Flexible shaft – transfers torque from the motor to the cleaning tool.
- Inner wire core – multi-layer steel-wire construction for flexibility and high torque transmission.
- Outer casing – galvanized steel casing with anti-friction lining that protects the inner core.
- Handpiece – connects the shaft to brushes or tool heads.
- Motor coupling – connects the flexible shaft to the drive unit.
- Cleaning tools/tool heads – used for descaling, cleaning and opening blocked tubes.
Key Specifications
| Feature | SAPSONS Flexible Shaft Machine |
| Motor | TEFC, squirrel-cage AC motor |
| Motor capacity | 3 HP, 5 HP & 7.5 HP |
| Electrical supply | 440 V, 3-phase, 50 Hz |
| Speed | 1440 or 2880 RPM |
| Protection | Overload, under-voltage & single-phase protection |
| Starting | Push-button starter |
| Power cable | Approx. 20 ft |
| Shaft OD | 25, 32 & 36 mm |
| Shaft core | 12, 16 & 19 mm |
| Standard shaft length | 6–22 m |
| Longer lengths | Available on request |
Applications
SAPSONS Flexible Shaft Machines are particularly suitable for:
- Boiler tube cleaning
- Heat exchanger tube cleaning
- Condenser and chiller maintenance
- Evaporator cleaning
- Air-heater tube cleaning
- Sugar-plant equipment
- Petrochemical and refinery equipment
- Power-plant maintenance
- Removal of hard scale, sludge and deposits from tubes.
Advantages
- Portable and rugged – suitable for industrial maintenance work.
- High torque transmission – capable of driving heavy-duty cleaning tools.
- Works through bends – flexible shafts can reach curved tube sections.
- Reduced tube damage – the outer casing protects the shaft and tube interior.
- Low maintenance – designed for reliable, continuous service.
- Multiple shaft options – different diameters and lengths are available.
- Interchangeable tools – different brushes, cutters and descaling heads can be selected according to the deposit and tube condition.
Periodic cleaning of Tube Inner dia in Processing Equipment like BOILERS, Air Heaters , Evaporators and Sugar Refining vessels is very essential for its better performance and longer life. Our Flexible Shaft Machines are designed to meet customer’s expectation, with rugged construction, simple to operate, minimum maintenance and trouble free service.
It is a self-contained portable unit, fitted with lifting or carrying handle. It consists of a TEFC, continuously rated, squirrel cage, 440 volts, 3 phase, 50 C/S, AC electric motor. Standard machines are available with 3, 5 & 7.5 HP and Free speed of 2880 or 1440 RPM.
It is controlled by a push button starter, with features like single phase protection, overload and under voltage protection. In addition it is also ambient temperature compensated.
Each machine is fully wired, carefully tested and is supplied with a 20 feet long power cable .







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