HBRST Trefoil

HBRST Trefoil

HTS HBRST is a round sealing solution for multiple cables passing through corrugated pipes or ducts casted in concrete maholes/pits.

HBRST Trefoil description

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

Key Features:

  • Manufactured in elastomer polymer with stainless steel front and back plates.
  • HBRT is always supplied as an open system. It enables to be installed after cable/pipe installation
  • Watertight protection. DNV tested catastrophic pressure 2 bar according to DNV-CP-0165 Approval Program.
  • No extra tools are required for its installation.
  • Working Temperature -35 ºC to +120 ºC
  • Estimated life time at 20 ºC = 15 years.
  • Remark: To ensure proper sealing of the system, the client must define the internal diameter of the corrugated pipe based on the actual duct dimensions on site. Also the OD of the cables to be sealed.

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Installation Videos