Piston seal Prädifa series Z7 | #Z77007N3578


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Piston seal Prädifa series Z7 | #Z77007N3578

Piston seal for pneumatic cylinders, single-acting. U-cup design with integrated guiding function. High-temperature version available.


Technical Specifications

  • Minimum Working Temperature (C): -30
  • Inside Diameter (mm): 62
  • Maximum Working Temperature (C): 100
  • Seal Material: N3578
  • Outside Diameter (mm): 70
  • Groove Width: 11
  • Element Height (mm): 10
  • Media: Pneumatic
  • Polymer Material Options: Nitrile Butadiene Rubber (NBR, XNBR)
  • Maximum Operating Pressure: 16 bar
  • Minimum Operating Temperature: -30 to -20 °C
  • Maximum Operating Temperature: 100 to 200 °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

Item Information

The Z7 pneumatic piston seal is an U-ring with an integral guiding surface for single-acting pistons, ensuring high sealing performance due to the seal lip design.

• Due to application-optimized geometry and compounds suitable for use in oiled as well as in oil-free air (after initial lubrication on assembly).
• Multi-functional sealing element. The guiding area at the sealing element performs the guiding function in the cylinder. However, due to its geometry the sealing element is not suitable for absorption of high radial forces or long strokes.
• Prevents metallic contact between the piston and cylinder. Ideal for light-metal and plastic cylinders (ridging).
• Good wear resistance.
• Smooth running due to optimum lubricant-retaining sealing lip geometry.
• Easier 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 open housings with retaining collar.

Range of application:
For use in 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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