Rod seal/wiper Prädifa series E7, Polon® | #E72029Z4017


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Rod seal/wiper Prädifa series E7, Polon® | #E72029Z4017

Rod seal and wiper for pneumatic cylinders. U-cup design. Combines the functions sealing, wiping and holding in place. Robust design with outstanding dry running properties.


Technical Specifications

  • Minimum Operating Temperature (C): -30
  • Seal Material: PS006
  • Outside Diameter: 30
  • Groove Width: 13
  • Height: 10.7
  • Maximum Operating Temperature (C): 80
  • Inside Diameter: 20
  • For Fluid Type: Pneumatic
  • Polymer Material Options: UHMW-PE
  • Operating Pressure: 16 bar
  • Operating Temperature: -30 to 80 °C
  • Maximum Surface Speed: 1
  • Cushioning Mechanism: No
  • Thermal Application Type: Standard moderate Temperature (-35 to 100) °C
  • Pressure Rating: Pneumatic Pressure (< 16) bar
  • Division: Prädifa Technology Division
Safety Warning

Item Information

The self-retaining E7 rod seal/wiper is a version of the profile EU for extreme working conditions with regard to temperature and chemical resistance and dry running.
It performs three functions simulatenously:
Sealing, wiping, fixing.

• Due to application-optimized geometry and compounds suitable for use in oiled as well as in oil-free air (after initial lubrication on assembly).
• Bi-functional element: seal and wiper.
• No risk of corrosion since the combined retainer and wiper part eliminates the need for additional wire circlips.
• Minimal break-away and dynamic friction and no stick-slip tendency ensures uniform motion even at low speeds.
• Easy snap assembly without assembly aids.
• Product geometry prevents dirt deposits at the front face of the cylinder.
• Identical housing for E7, E8, E9, EU, EF, EN, EW and ET.

Range of application:
For pneumatic cylinder piston rods.

Prädifa series E7 is available in the following compounds:
PS006 - Standard
PS074 - For higher temperatures and/or chemical resistance requirements (but with slightly reduced service life).

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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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