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Rotho® Peristaltic Pump
The Rotho peristaltic pump is a volumetric pump and able to resolve a number of production problems in a variety of industrial sectors.
Thanks to the concrete results achieved in the most diverse production processes, the Rotho has attracted interest from all sector experts.
Rapid maintenance
Many peristaltic systems use sliding blocks to compress the tube. This means the tube must be immersed in refrigerant liquids to mitigate the friction caused by the blocks compressing the tube.
Rotho technology using rollers on bearings does not require refrigerant liquid in the stator. Maintenance is therefore faster and less wasteful and there is no refrigerant liquid to dispose of.
The Rotho pump also safeguards the quality and hygiene of the product, as there is no refrigerant liquid which could contaminate the product if the tube ruptures.
Ease of use
The Rotho peristaltic pump can be used in numerous applications thanks to its ease of use:
- it is self-priming from -9.8 m
- it can operate dry
- flow is reversible
- it can be perfectly sanitised
How does the Rotho peristaltic pump work?
The pump operates on the principle of peristalsis, as used by the human digestive system, which contracts then relaxes a muscle around a tube causing the contents to move through it.
In the pump, an elastomer tube is repeatedly compressed down its full length by rollers. Between one pass of the propelling roller and the next, the tube returns to its original diameter, creating a vacuum which draws in the product to be transferred.
This movement generates a delicate pumping action, avoiding even minimal damage to the product and preventing any form of contamination by eliminating contact with mechanical parts.
The advantages of the Rotho for your production process
In the Rotho pump, the mechanism employed to compress the tube by means of rollers on bearings has a number of advantages
- It can operate dry
No refrigerant liquid is needed in the pump casing as no friction is generated by the roller on the surface of the tube, thus prolonging its working life. This is very different from the traditional system in which the surface of the tube is compressed by sliding blocks which must work in a lubricating bath. - Energy-savings
The lack of friction on the tube means that less powerful motors can be used to perform the same work, resulting in less energy consumption. - No product contamination
There is no risk of product contamination if the tube ruptures as there is no refrigerant liquid in the pump. - Immediate leak detection
Because there is no refrigerant liquid in the pump, the safety sensor can detect product leaks caused by tube wear immediately. - Easy tube replacement
Replacing the tube is faster, cleaner, safer and less wasteful as there is no liquid to be evacuated and replaced along with the tube. - Easy flow reversal
The flow can be reversed by reversing the direction of the motor. - Transfer of products containing solid parts
Products containing suspended solid parts measuring up to 45% of the bore of the tube can be transferred. - Transfer of fragile or contaminating products
Fragile, shear-sensitive, pollutant or contaminating products can be transferred. - It can draw up to 98% of full vacuum
- No valves or seals
- Possibility of CIP and SIP sanitation
Rotho® peristaltic pumps
Contact us indicating the material to pump. We will send you an offer for the most efficient model for your use.
Retractable roller system
An indispensable accessory for washing, flushing and sanitising tubes. Available for all the MS series and the PSF1 model.