Piston seal Prädifa series E4 | #E4N525V3681


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E4N525V3681 E4N525V3681
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Piston seal Prädifa series E4 | #E4N525V3681

Piston seal for pneumatic cylinders, single-acting. U-cup design.


Technical Specifications

  • Inside Diameter (mm): 225
  • Minimum Working Temperature (C): -20
  • Outside Diameter (mm): 250
  • Groove Width: 19
  • Maximum Working Temperature (C): 200
  • Seal Material: V3681
  • Element Height (mm): 18
  • Media: Pneumatic
  • Polymer Material Options: Fluorocarbon Rubber (FKM, FPM)
  • Maximum Operating Pressure: 16 bar
  • Minimum Operating Temperature: -50 to -5 °C
  • Maximum Operating Temperature: 80 to 200 °C
  • Maximum Surface Speed: 1 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Thermal Application Type: High Temperature
  • Pressure Rating: Pneumatic Pressure (< 16bar)
Safety Warning

Item Information

The E4 piston seal is a lip seal specifically developed for use in pneumatics. The dimensions of the standard series correspond to the cylinder diameters according to ISO 3320, CETOP RP 52 P, RP 43 P and RP 53 P.
The E4 piston seal is available in both Ultrathan® and rubber compounds. The Ultrathan® versions are extremely resistant against wear and pressure peaks.

• Due to application-optimized geometry and compounds suitable for use in oiled as well as in oil-free air (after initial lubrication on assembly).
• Suitable for cylinders with dead-center cushioning.
• Good wear resistance.
• Long service life thanks to application-optimized compounds.
• Smooth running due to optimum lubricant-retaining sealing lip geometry.
• Easier installation.
• Suitable for fully automatic installation
• Assembly on one-part piston is possible.
• High temperature resistance in case of suitable compound selection.
• Excellent media resistance in case of suitable compound selection.
• Installation in closed housings.
• Special seal geometry ensures optimal function even in case of flow-controlled exhaust air.

Range of application:
Mainly used for pneumatic cylinders.

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Where to Buy

Local Contact

South Africa Headoffice

Parker Hannifin (Africa) Pty LTD

Sales Company South Africa

10 Berne Avenue

Aeroport

Kempton Park

Gauteng

South Africa

1620

Phone

0027 11 961 0700

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