Round Transits


The Hawke Round Transit System is designed for the sealing of cable and pipes that pass through circular openings providing an effective seal against fire, gas, water, etc.

The HRTO version is an open version for applications where the cables/pipes are already installed

Hawke Round Transit (HRTO)

Certified for both Civil and Marine applications.

The HRTO has been designed to be sealed using standard Hawke tolerant blocks, Hawke HRTO provide effectively sealing of cables and pipes through a circular aperture.

Hawke HRTO is supplied as an OPEN frame, so that it can be installed after laying the cables or pipes.


Download HRTO Catalogue

Hawke Round Transit (HRST)

Certified for Marine applications.

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

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

To seal services from 4mm to 170mm of external diameter (standard version). More sizes under request.

Download HRST Catalogue

Feel free to contact our team in order to any question

QA System

ISO Certified and Testing Facilities

Hawke Transit System-HTS is credited by Lloyd's Register LRQA according to UNE-EN-ISO 9001:2000 and complies with the European Directive of Marine Equipment MED 96/98/EC, for the production of the sealing blocks under the modules B+D.