Composite sealing washer Prädifa series WO | #WO1427Z5296


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WO1427Z5296 WO1427Z5296

Composite sealing washer Prädifa series WO | #WO1427Z5296

Composite sealing washer for medium-pressure applications with advanced bonding geometry


Technical Specifications

  • Inside Diameter (mm): 13.66
  • Minimum Working Temperature (C): -20
  • Outside Diameter (mm): 22.35
  • Groove Width: 1.27
  • Seal Material: Z5296
  • Maximum Working Temperature (C): 200
  • Element Height (mm): 1.27
  • Media: Hydraulic
  • Polymer Material Options: Fluorocarbon Rubber (FKM, FPM)
  • Maximum Operating Pressure: 1500 bar
  • Minimum Operating Temperature: -30 to -20 °C
  • Maximum Operating Temperature: 100 to 200 °C
  • Maximum Surface Speed: 0 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Thermal Application Type: High Temperature (< 205°C)
  • Pressure Rating: Extremely High Pressure (> 500 bar)
Safety Warning

Item Information

The WO composite sealing washer is designed for radial sealing below the screw head in the area of the smooth (non-threaded) screw shaft. This provides three functionally relevant sealing areas. WO consists of a metal washer and an elastomer sealing lip with a circular cross section and additional mechanical connection to the inside edge of the supporting washer. The serrations achieve a positive connection of the elastomer with the supporting washer and prevent the phenomenon of sheared sealing lips which is frequently encountered with composite sealing washers.

Range of application:
Static sealing of flanges or screw heads.

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