Piston seal Prädifa series PZ | #PZ2215NB146


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PZ2215NB146

Piston seal Prädifa series PZ | #PZ2215NB146

Piston seal for pneumatic cylinders, double-acting. Short axial length.


Technical Specifications

  • Inside Diameter (mm): 15
  • Maximum Working Temperature (C): 100
  • Outside Diameter (mm): 22
  • Groove Width: 3
  • Minimum Working Temperature (C): -35
  • Element Height (mm): 2.4
  • Seal Material: NB146
  • Media: Pneumatic
  • Polymer Material Options: NBR (Nitrile-Butadiene)
  • Maximum Operating Pressure: 12 bar
  • Operating Temperature: -50 to 200 °C
  • Maximum Surface Speed: 1 m/sec
  • Cushioning Mechanism: No
  • Thermal Application Type: Standard moderate Temperature (-35 to 100) °C
  • Pressure Rating: Pneumatic Pressure (< 16) bar
Safety Warning

Item Information

The PZ pneumatic piston seal has been developed for use in pneumatic cylinders and in valves. The double-acting piston seal requires only very small housing dimensions and is therefore especially suitable for compact cylinders.

• Due to application-optimized geometry and compounds suitable for use in oiled as well as in oil-free air (after initial lubrication on assembly).
• Good sealing performance in extremely small assembly conditions.
• Can also be used for single-acting applications.
• Good wear resistance.
• Low static and dynamic friction thanks to miniaturized design.
• Smooth running due to optimum lubricant-retaining sealing lip geometry.
• 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.
• Short axial assembly length.
• Installation in closed housings.

Range of application:
Pneumatic cylinders and valves.

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