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Stone, clod and haulm seperator
Tolsma-Grisnich Stone, clod and haulm seperator is used to make sure that unwanted elements like stones, clods and haulm is seperated from a batch of potatoes.

Cleaning rollers and belts
Tolsma-Grisnich offers various solutions for cleaning the products to be processed. Grading and processing of clean products leads to higher efficiency and accuracy.

Destoner
Herbort Destoner is equipped with a vertical screw. This screw helps separate stones and other similar material from the product thanks to the simultaneous washing effect.

Cyclone Destoner
The Cyclone destoner removes stones and clay shells. The gradient of the funnel and the variable water flow determines the optimum result.

Hydrolift Destoner
The Hydrolift Destoner rinses and removes debris and rocks from product, while elevating it to the next step in your process.

Belt Stone Separator - GSA
Belt Stone Separator GSA efficiently removes stones, gravel, and sand from flume flow, with low investment & maintenance costs, smooth steel-reinforced belt operation, adjustable separation, high reliability, and continuous potato processing even during maintenance.
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Drum Stone Separator TSA/TKA
Drum Stone Separator TSA/TKA separates stones, gravel, and sand from flume water using a stone-lifting wheel. Features adjustable separation, self-cleaning drum, wear-resistant materials, and a geared sprocket drive for reliable, low-maintenance operation.

KW Washing and Destoning Combo
The KW Washer destoner is a thoughtful combination of a drum washer, destoner and tools to remove floating debris. The unit has several options to manage water level and flow, allowing customization to your local conditions and product(s)