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Wine Treatment & Winemaking Supplies
This polyurethane cup seal for hydraulic jack is suitable for size 70 hydraulic presses and is fitted in the appropriate piston housings, as shown at position 13 in the diagram available in the PDF file in the Attachments section.
The polyurethane cup seal is used on David-type jacks manufactured from 1984 onwards and cannot replace rubber or leather seals, as these have different dimensions.
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