Rod seal/wiper Prädifa series EN | Product Series

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Rod seal/wiper Prädifa series EN Rod seal/wiper Prädifa series EN

Rod seal/wiper Prädifa series EN

Where to Buy

Rod seal and wiper for pneumatic cylinders. U-cup design with front-face cover lip. Combines the functions sealing, wiping and holding in place. Robust design with extreme wear resistance.

Technical Specifications

  • Media: Pneumatic
  • Polymer Material Options: Thermoplastic Polyurethane (TPU, Resilon®, Ultrathan®)
  • Maximum Operating Pressure: 16 bar
  • Minimum Operating Temperature: -35 to -20 °C
  • Maximum Operating Temperature: 80 to 100 °C
  • Maximum Surface Speed: 1 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Thermal Application Type: Standard Moderate Temperature (-35 to 100°C)
  • Pressure Rating: Pneumatic Pressure (< 16 bar)
Safety Warning

Full Product Description

The self-retaining Ultrathan® EN rod seal/wiper ring for piston rods of pneumatic cylinders performs two functions: sealing and wiping.
The Ultrathan® compound is characterized by extremely high wear resistance.
The dirt shield formed at the wiper prevents moisture from migrating underneath the seal into the groove. As a result, corrosion which frequently occurs inside the groove can be avoided. In addition, due to the absence of undercuts and dead spaces, the assembly space in front of the seal is easy to clean. This makes the EN seal/wiper ring particularly well suited for food and pharmaceutical production and for all other applications requiring easy- to-clean components.

• Bi-functional element: seal and wiper.
• Robust seal profile for harshest operating conditions.
• Extreme wear resistance.
• No risk of corrosion since the combined retainer and wiper part eliminates the need for additional wire circlips.
• Long service life due to coordinated geometries of the functional lips and compound selection.
• Smooth running due to optimum lubricant-retaining sealing lip geometry.
• Excellent media resistance in case of suitable compound selection.
• Suitable compounds available for special requirements of the food processing industry.
• Identical housing for E7, E8, E9, EU, EF, EN, EW and ET.
• Installation in open housings.
• Low compression set.
• The coordinated geometries of the seal and wiper lips achieve favorable friction coefficients and long service life.
• Product geometry prevents dirt deposits at the front face of the cylinder.

Range of application:
The EN rod seal/wiper has been developed for hygienically sensitive applications, such as clean room technology, medical device technology, pharmaceuticals and food applications.

The EN rod seal/wiper is available in the following compounds:
P5008 - Heavy-duty
P5000 - Food applications (FDA approval)

Related Documents

Literature and Reference Materials
Pneumatic Seals--PTD3351
EN seal-wiper ring--PDE3501
Installation Guidelines for Rod Seals--PTD3351
Rod seal/wiper EN--PTD3351
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 Pneumatics
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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
EN1626P5000 16 26 14.2 13 -20 100 P5000
EN2029P5000 20 30 14.2 13 -20 100 P5000
EN1222P5000 12 22 14.2 13 -20 100 P5000
EN2535P5000 25 35 15.2 14 -20 100 P5000
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