Double wiper seal Prädifa series AV, Ultrathan® | Product Series

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Double wiper seal Prädifa series AV, Ultrathan® Double wiper seal Prädifa series AV, Ultrathan®

Double wiper seal Prädifa series AV, Ultrathan®

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Wiper seal, double-acting, with dirt shield and integrated sealing lip, which reduces the residual oil film. Venting function included.

Technical Specifications

  • Media: Hydraulic
  • Polymer Material Options: Thermoplastic Polyurethane (TPU, Resilon®, Ultrathan®)
  • Maximum Operating Pressure: 0 bar
  • Minimum Operating Temperature: -35 °C
  • Maximum Operating Temperature: 100 °C
  • Maximum Surface Speed: 2 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Thermal Application Type: Standard Moderate Temperature (-35 to 100°C)

Full Product Description

The Ultrathan® AV double wiper seal serves to prevent ingress of dust, dirt, sand and swarf into hydraulic cylinders. The dirt shield formed on the wiper prevents moisture from migrating underneath the wiper into the groove, thus preventing corrosion which frequently occurs in the groove. The good wiping effect is achieved by the special design of the wiper lip. The proven Ultrathan® P5008 compound stands for high abrasion resistance, minor permanent deformation, and robustness against external mechanical impact. Due to the press fit in the groove and a pressure relief hole the risk of the wiper being extruded from the cylinder housing is minimized.

• Robust seal profile for harshest operating conditions.

• Extreme wear resistance.

• Suitable for fully automatic installation

• Product geometry prevents dirt deposits at the front face of the cylinder.

• Simple fabrication of the housing.

Range of application:

The AV wiper seal is used in hydraulic cylinders and is particularly well-suited for mobile applications.

Related Documents

Literature and Reference Materials
Hydraulic Seals--PTD3350
AV Wiper--PDE3503
Double wiper AV--PTD3350
Installation Guidelines for Rod Seals--PTD3350
Storage and Cleaning of Elastomer Seals--PTD3032
Product Demos & Tutorials
How to Properly Store and Clean Elastomer Seals
Mixing the right ingredients: Material Development at Parker-Prädifa
Parker Final Exam in Physics / Sealing Systems Put to the Test
Communities, Blogs & Industry Links
Industry Hydraulics
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Products Inside Diameter (mm) Outside Diameter (mm) Element Height (mm) Groove Width Minimum Working Temperature (C) Maximum Working Temperature (C) Seal Material
AV4048P5008 40 48 7.75 4 -35 100 P5008
AV4553P5008 45 53 7.75 4 -35 100 P5008
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