Cultured products



Cultured products

Cultured products, such as yogurt and sour crème must be handled with great care to preserve the individual cultures and protect any fruits and berries. This makes Grundfos' range of sanitary pumps highly suitable for this specific application. Throughout the process – from milk reception to packing – the dosing as well as the handling is carried out with great precision and care, ensuring that your final product is one of high quality.

Milk reception: In by far the majority of dairies the milk is transported from the milk tanker into the tanks using a single-stage centrifugal pump. If higher pressure is required, a multi-stage pump is available. In order to completely empty the milk tanker, a single-stage priming pump, creating vacuum on its own, can be supplied.

Milk treatment: During the treatment process single-stage centrifugal pumps transport the milk from one tank to the next, while an end-suction pump enables quick heating of the milk to kill all bacteria – and an equally quick cooling process. A speedy pasteurisation is crucial in order to protect the flavour of the milk.

Process: Gentle handling is a key word in the production of cultured products. First of all the pumps must ensure that the increasingly viscous liquid is not exposed to any shaking that could ruin the characteristic texture. Next, it is important that any whole berries are preserved. Grundfos' lobe pumps have been developed to do both – and to do it with great care. Moreover, the high quality pumps are capable of precisely dosing culture and any colour, fruits and berries.

In the production of cultured products the liquid becomes increasingly viscous.Grundfos’ lobe pumps have been developed to handle highly viscous liquid – and to do it with great care in order to maintain the defined texture of the cultured product.
Cultured products may contain whole berries that must be preserved.Grundfos' lobe pumps offer dedicated lobes for whole berries, ensuring that they are not squashed or ruined in any way.
In order to protect the flavour of the milk – and consequently ensure high quality in the finished product – a very quick heating and cooling process is crucial.Grundfos’ end-suction pump enables efficient pasteurisation of the milk to kill all bacteria.
In dairies it can be necessary to adjust the production speed to match the packing speed.Grundfos offers advanced E-solutions that will automatically adjust the speed of the pumps, ensuring that the packing process is able to keep up with production itself.
Maximum hygiene is essential in all dairies. Particularly in the production of cultured products, it is important to ensure that every single remain of yoghurt is washed out.All Grundfos' sanitary pumps are CIP-compatible, allowing tanks, pipes and process lines to be efficiently cleaned without having to dismantle the equipment. Precise dosing pumps speed up the CIP-process by adding only the necessary detergent, consequently reducing the flushing of the system. Every CIP- system is followed by a single-stage priming pump that removes every last drop of detergent in tanks and pipes. A CIP-system can also be applied to the milk tanker to allow easy and 100% reliable cleaning of the inside of the tank.

Important notes

  • All Grundfos’ sanitary pumps carry the EHEDG certificate. Certain models also carry the 3A certificate.
  • By-wing lobes are specially constructed to preserve whole berries in the production of cultured products.
  • Choose SiC/SiC mechanical shaft seals if the oxidizing disinfection agents could potentially cause corrosion.


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