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Twinset® datasheet

Our pressure‑responsive packing set with a record of success stretching back over 50 years.

The packing set comprises an endless U-ring firmly supported by a header ring. The lips of the U-ring are slightly flared to provide an interference fit for initial sealing. When system pressure is applied, the sealing force is increased significantly by reaction within the tongue-shaped cavity of the U-ring.

Under slight axial compression, the header ring also spreads the U-ring lips slightly to improve low pressure sealing efficiency.

Downloading this datasheet provides the following product information:

  • Product features
  • Typical applications
  • Operating capabilities
  • Materials of construction
  • Media capabilities
  • Information on how the product is supplied

For details of our full range of products for hydraulic sealing applications, download our Hydraulic Sealing Guide.


Twinset datasheet

English pdf (297 KB) Download
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