Piston seal Prädifa series B7, Ultrathan® | #B72516P5008


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Piston seal Prädifa series B7, Ultrathan® | #B72516P5008

Piston seal for hydraulic cylinders, single-acting, polyurethane u-cup design. For high-pressure applications. Robust seal profile for harshest operating conditions. ISO 5597, ISO 6020.


Technical Specifications

  • Inside Diameter (mm): 17
  • Seal Material: P5008
  • Outside Diameter (mm): 25
  • Maximum Working Temperature (C): 100
  • Minimum Working Temperature (C): -35
  • Groove Width: 5
  • Element Height (mm): 4.5
  • Media: Hydraulic
  • Polymer Material Options: Thermoplastic Polyurethane (TPU, Resilon®, Ultrathan®)
  • Maximum Operating Pressure: 400 bar
  • Minimum Operating Temperature: -45 to -20 °C
  • Maximum Operating Temperature: 80 to 110 °C
  • Maximum Surface Speed: 0.5 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Thermal Application Type: Standard Moderate Temperature (-35 to 100°C)
  • Pressure Rating: High Pressure (< 500 bar)
Safety Warning

Item Information

The B7 Ultrathan® piston seal is a lip seal with interference fit. It is extremely wear resistant, ensures reliable load holding and is suitable for hydraulic high-pressure applications.

• Robust seal profile for harshest operating conditions.
• Extreme wear resistance.
• Easier installation.
• Suitable for fully automatic installation
• Assembly on one-part piston is possible.
• Insensitive to pressure peaks.
• High extrusion resistance.
• Excellent media resistance in case of suitable compound selection.
• Suitable compounds available for special requirements of the chemical process industry.
• Suitable compounds available for special requirements of the food processing industry.
• Dimensions according to ISO 5597.
• Installation in closed and undercut housings.
• Further dimensions of machined series with short lead times available.

Range of application:
Mainly for the sealing of pistons in heavy duty applications in mobile and stationary hydraulics.

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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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