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Hawke HRTO Round Transit Frames


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HRTO Family

Hawke HRTO is a round sealing solution for multiple cables/pipes passing through a circular aperture in a wall or bulkhead/deck.

The seal is formed by tightening the compression bolts which expand the system radially with no need of a compression system.


  • Designed to be installed using Hawke Sleeves (welded, bolted or casted) and standard HF blocks.
  • Manufactured in intumescent elastomer polymer with stainless steel front and back plates. Plates also available in mild steel.
  • HRTO is always supplied as an open frame. This enables the frame to be installed after cable/pipe installation.
  • No extra tools are required for its installation.

Hawke Transit System HRTO Datasheet

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