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Hawke HRST Round Transit Frames

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HRST Family

Hawke HRST is a round sealing solution for a single cable/pipe passing through a wall or bulkhead/deck

Each size of HRST frame can seal a large range of diameters without any onsite modifications.


  • Available to seal services from 4mm up to 170mm of external diameter (standard version).
  • Tolerant up to 7 mm.
  • Designed to be installed using Hawke Sleeves (welded, bolted or casted).
  • Manufactured in intumescent elastomer polymer with stainless steel front and back plates. Each HRST frame has a gasket to prevent galvanic corrosion when installed within a mild steel
  • HRST 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 HRST Datasheet

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