Machines for the production of jam
Machines and plants for the production of jam
Probst & Class develops and manufactures both individual components and whole plants for the production of jam.
Every end product needs its own bespoke machine configuration.
Our strategy for perfect customisation: puclab.
puclab – Pilot
Make an appointment for preliminary tests in our pilot plant.
We give you and your product as much time as needed. Together with your technicians/engineers, we determine the best possible configuration for your new PUC machine in our test lab and plan its integration into your process.
puclab – On-Site
Test a PUC mill in your plant or laboratory.
Talk to our technical support to define the requirements for your process and product. We then provide you with a suitable machine, free of charge, and offer support for your in-house trials.
puclab – Remote
Send us your raw materials for testing.
Based on your specifications and materials, we determine the best machine configuration for your end product in our technical centre. Using different grinder sets and settings, we can calculate within a few hours how your new PUC mill needs to be configured, without charge.
Contact our sales department
Still unsure about the best way to proceed?
Simply contact the sales team. We are happy to help you.
Probst & Class Colloid Mill EL
Raw materials used
Common fruits are strawberries, raspberries, blueberries, apricots, peaches, plums, oranges, lemons and cherries.
In addition to the fruits, other herbal ingredients such as mint, lavender or flavours such as vanilla or cinnamon can be used to vary and refine the taste of the jam.
Colloid mills from Probst & Class in the production of jam
The use of colloid mills in the production of jam enables efficient crushing and grinding of the fruit and uniform mixing of ingredients.
The cooked fruits are processed in the colloid mill to crush and grind them. In the grinding section of the colloid mill, hydraulic and mechanical cutting, impact, squeezing, friction and shearing forces act to thoroughly crush the fruit pieces and achieve a smooth texture. Depending on preferences, some jams may have a smooth texture while others may contain fruit pieces.
After the fruit is crushed in the colloid mill, sugar is added as a sweetener. In addition, a gelling agent such as pectin or gelling sugar is used to thicken the jam.
Production process
Processing and production can be carried out using Probst & Class mills and systems in a batch process or continuous in-line process, depending on the requirements. We also offer in-line deaeration systems for the extraction of air and other gases. This step is particularly relevant before packaging in order to achieve a clean atmosphere and to preserve the properties of the product in the best possible way. We are happy to advise you as to the advantages and disadvantages of the processes as well as plant integration. Please send us an enquiry for our puclab service.
Probst & Class as a supplier to the food industry
Probst & Class mills have been used in state-of-the-art food processing for 80 years. With a PUC machine, both small and large industrial groups produce high quality jams. The high manufacturing quality of PUC machines usually ensures a service life of several decades. The supply of spare and wear parts even for very early models guarantees a safe investment and low total cost of ownership.
Find your ideal machine, reliably and quickly
In the almost 100-year history of Probst & Class, there is one constant: Practically every end product needs its own individual machine configuration!
Two special features of Probst & Class guarantee the highest satisfaction and loyalty of our customers: The simple convertibility of our machines and our approach to customisation.
What has been part of our success for decades is now a strategy. We call this strategy puclab.
puclab is more than a development lab
- System consulting: Holistic concepts for the construction of new systems and the conversion of systems to other products
- Outsourced R&D for our customers' wet grinding, mixing and degassing processes
- Preliminary trials to help decide on the optimal process
- Further development of processes in case of changed specifications
- Application database with test set-ups, test results and videos
puclab – Pilot
Make an appointment for preliminary tests in our pilot plant.
We give you and your product as much time as needed. Together with your technicians/engineers, we determine the best possible configuration for your new PUC machine in our test lab and plan its integration into your process.
puclab – On-Site
Test a PUC mill in your plant or laboratory.
Talk to our technical support to define the requirements for your process and product. We then provide you with a suitable machine, free of charge, and offer support for your in-house trials.
puclab – Remote
Send us your raw materials for testing.
Based on your specifications and materials, we determine the best machine configuration for your end product in our technical centre. Using different grinder sets and settings, we can calculate within a few hours how your new PUC mill needs to be configured, without charge.
Contact our sales department
Still unsure about the best way to proceed?
Simply contact the sales team. We are happy to help you.
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