The best liquid foods pump for precise inline dosing
There is no precision control of the volume being infused with traditional pumping systems, such as centrifugal pumps. Both under and overdosing and filling can lead to costly manufacturing mistakes.
An Australian food manufacturer had focussed on improving the accuracy of its inline dosing during food processing. Its requirements also included a liquid foods pump that was perfectly hygienic, with closed hose systems that had no lubrication or any contact with the mechanical parts of the pump to avoid any potential contamination.
Hydro Innovations were able to provide the ideal solution for this application, where hygiene-critical features are paramount. The system uses a peristaltic hose pump that regulates liquid flow to deliver accuracy and consistency.
The food manufacturer installed a Ragazzini Rotho Peristaltic pump to fulfil these required functions in their food manufacturing process.
The model they chose is a MOD. PSF 1D, which is a dual pump driven by a single motor and gearbox.
This version allows for transferring small quantities and for delicately filling and emptying containers, but other models can be used for gently transferring viscous liquids into or out of vats and vessels.
The Ragazzini hose pumps are ideal for bottling plants in which an analog signal regulates flow rate. This is because the inverter control regulates flow rate according to an analog signal from the filler, allowing it to be controlled without sudden pressure changes.
The most important benefit was that the Ragazzini Peristaltic pump improved the manufacturer’s foods’ finished quality. This is due to the precise inline dosing capabilities to ensure accurate addition of the specified additives and enzymes.
The Ragazzini hose system ensures complete protection from oxygen, or gas can be injected in pre-established quantities if required in your production line.
The Ragazzini pumps’ ‘opening/closing’ tube movement is static, without the grinding effect of other types of pump. Therefore, the pumped product is not damaged in any way and is transferred (usually) at a slower rate to create the most gentle way currently available. A wide variety of viscosities from liquid to thick pastes can be pumped using these pumps.
The homogeneity of the mass is guaranteed by the delicacy of the pumping action.
Owners of Ragazzini pumps do not have to worry about contamination or mess when a hose needs replacing, as there is no lubricant or oil-filled casing. The oil-free casing means it is much easier to clean up if a problem does occur. All Ragazzini peristaltic pumps are fitted with a leak detector that can stop the pump and send an alarm if a hose does fail, minimising the loss and contamination of the valuable product.
Replacing hoses is a clean and easy task. There are hoses to suit a diverse range of applications, in stock at Hydro Innovations’ Sydney warehouse.
Another benefit of these versatile pumps is that they are seal-less and can run in reverse for tank filling and emptying tasks. The pumps can even be left unattended due to their dry running capability.
Rotho Peristaltic pumps are used in a myriad of applications including wastewater, water filtration plants, food, wine and juice manufacturing, dosing, sampling, even medicine — anywhere mechanical contact with the pumped liquid or product must be avoided.
Hydro Innovations is proud to be the Australian distributor for high-quality Rotho Peristaltic (hose) pumps manufactured by the Ragazzini Pump company in Italy. The peristaltic pumps blend high performance with low maintenance, ensuring consumers get the most out of their long-term investment.
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