The Ragazzini Rotho range of positive displacement peristaltic [hose] pumps have a “roller on bearings” design so that the pump housing does not need to be filled with lubrication fluid, making them safer and easier to maintain. The pump is self priming, seal-less, can run dry without damage, and apart from the flanges, only one part comes in contact with the pumped fluid.

The Ragazzini range is self priming and widely used in water and waste water treatment, the food and beverage industry, chemical industry as well as construction, paper, ceramic, paints, inks, mining and marine industries.

Ragazzini pumps are available with a wide variety of hose options to suit abrasive and/or corrosive applications and are also available with food grade hoses capable of being sterilized with hot water [to 70o] and/or steam [to 120o].

A leak detector is standard equipment to provide early indication of hose failure. This is a float type sensor that is located at the lowest point in the pump. Because the pump casing is not filled with lubricating fluid and the speed of the leak detector, contamination is and product loss is greatly minimised.

Ragazzini peristaltic pumps are perfect for clean in place [CIP] or sanitise in place [SIP] applications when fitted with the optional “retractable roller”. With this system, one of the rollers can be retracted via an over-centre rapid release cam and lever system. This now enables full flow of a flushing/cleaning/sanitising fluid through the hose. This new positioning system is essential for fully automated foodstuff handling applications that require regular cleaning and sterilisation of all the components in contact with the product.

These pumps can deliver as little as 0.2 litres per hour up to 180,000 litres per hour. Pressures to 15 bar can be achieved and solid particles can be passed through the pump. It can also be run in reverse, making it ideal for tank emptying and filling operations.

Ragazzini pumps do not need the casing to be filled with lubrication fluid. This reduces the chances of contamination, and makes hose changes cleaner, quicker, safer and cheaper.

Roller on Bearing design minimises friction on the hose compared with rubbing shoe method.

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