Rod/Piston Seal UN/UHS/UNS PU U-cup Hydraulic Ram Seal
Material: PU
Size: 100mm-280mm Inner Dia
Color: Blue/Green(Random shipment of colors) 
Working pressure: within 40Mpa
Speed: ≤ 0.5m/s
Temperature: -20 ℃~100 ℃
Hardness: Shore A90 ± 2
Medium: hydraulic oil, emulsion, water
Product Introduction: Under low pressure, the U-shaped Y-shaped sealing ring only relies on the interference deformation of the lip to produce a seal. Due to the small contact area and relatively low friction force, as the pressure increases, the elastic deformation of the lip increases, and the tensile, compressive, and bending stresses increase. The radial pressure of the U-shaped ring automatically increases, and the length of contact with the sealing surface continuously increases until the entire axial length of the U-shaped ring contacts the sealing surface, Thus ensuring good sealing performance under high pressure conditions. The U-shaped Y-shaped sealing ring is the most commonly used oil seal in hydraulic cylinders, and is a typical lip seal that can achieve good sealing whether used for pistons or piston rods.
Main advantages
1. Excellent wear resistance
2. Impact resistance
3. Small compression deformation
4. Improved sealing performance at zero pressure
5. Good sealing performance and long service life
6. Easy to install

 

Package Including:

  • According to your choice.
Service:
  • Good quality. Buy with confidence!
  • We also offer trade discounts if you order big，Please contact us.
  • We maintain high standards of excellence and strive to satisfy customers!
  • If you need more sizes, please contact our customer service.Thank you. 
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On 06-Jul-2023 at 08:46:37 BST, seller added the following information:

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