Composite sealing washer Prädifa series WT | Product Series

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Composite sealing washer Prädifa series WT Composite sealing washer Prädifa series WT

Composite sealing washer Prädifa series WT

Composite sealing washer for thread sealing with self-centering function.

Technical Specifications

  • Media: Hydraulic
  • Polymer Material Options: Nitrile Butadiene Rubber (NBR, XNBR), Fluorocarbon Rubber (FKM, FPM)
  • Maximum Operating Pressure: 1500 bar
  • Minimum Operating Temperature: -30 to -20 °C
  • Maximum Operating Temperature: 80 to 200 °C
  • Maximum Surface Speed: 0 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Thermal Application Type: Standard Moderate Temperature (-35 to 100°C), High Temperature (< 205°C)
  • Pressure Rating: Extremely High Pressure (> 500 bar)
Safety Warning

Full Product Description

The WT composite sealing washer is designed for direct sealing on the thread. The lips seal the leakage path of the threads. The composite sealing washer consists of a metal washer and an elastomer sealing lip with a rectangular cross section and an 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.
WT composite sealing washers ensure reliable sealing of screws in the threaded area (only static, no dynamic threads). Assembly is self-centering and directionally independent.

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

Related Documents

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Products Inside Diameter (mm) Outside Diameter (mm) Element Height (mm) Groove Width Minimum Working Temperature (C) Maximum Working Temperature (C) Seal Material
WT5170Z5413 15.55 30.18 1.78 1.78 -30 100 Z5413
WT5170Z5414 15.55 30.18 1.78 1.78 -20 200 Z5414

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