Piston Seal (U-Cup asymmetrical, outer sealing), KNA28, KNA28, Freudenberg Sealing Technologies (Dichtomatik)
Universal equipmentPrice on request
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Description
Specific piston seal of type KNA with dimensions AD = 50 mm, ID = 40 mm, L = 8 mm. Function: Seals piston in cylinder bore; asymmetrical lip for pressure direction. Installation: Fits installation space 50 x 40 x 8 mm. Material: Not specified in example; typically NBR, TPU or fabric-reinforced. All other characteristics as per KNA family.
Possible Applications
This asymmetrical U-cup piston seal is engineered for hydraulic cylinders operating in medium-duty industrial machinery, such as injection molding presses, mobile hydraulics, and standard hydraulic press brakes. Its geometry provides secure outer dynamic sealing against the cylinder bore while preventing fluid bypass under fluctuating operating pressures. The component is particularly suited for reciprocating actuators in material handling equipment and hydraulic clamping fixtures where reliable linear positioning and fluid containment are critical.
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Specifications
| Category | Universal equipment |
| Product ID | 8010511511-5039 |
