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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.

Stone Removing Washer
The Stone Removing Washer by Sensitar Machinery integrates gravity stone removal and high-pressure drum washing. With 10–30 t/h capacity and water-saving design, it ensures clean, damage-free potatoes for industrial processing lines.

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

Automatic Rock Remover
Effective Rock and Debris Removal Minimizes Equipment Damage.

Vertical Auger
Vertical Auger is designed to vertically transport and remove rocks from potatoes and other root vegetables. The machine consists of an infeed hopper partially filled with water and a vertical auger.

Small Capacity Destoner and Washer
The Small Capacity Destoner and Washer by Sensitar is a compact pre-treatment device for small/medium potato plants. Its three modules remove stones, separate impurities, and wash potatoes in one step.
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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.

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.

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)

Potato Destoner Machine
Potato De-Stoner System contains a whirlpool motion in water to remove the dirt from the surface, and an Integrated Conveying System drags it to the next level of processing. Washing and Removal of stones from Potatoes. Holding tank with vertical augur for elevation to feed Potato peeler and cleaning hatches.
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