Marine Transit Systems
MCT’s
The purpose of this system is to maintain the integrity of a fire rated bulkhead, deck, wall or enclosure in which cables or pipes pass. Marine applications.

Frames/Sleeves
Rectangular and circular frames for marine applications
- Designed to be welded to a bulkhead or deck.
- Materials: Mild Steel, Stainless Steel. Aluminium and other materials under request.
- To be sealed with standard or EMC HF blocks, compression systems and accessories.
Blocks
Zero halogen intumescent polymer colour coded Tolerant Blocks and Filler Blocks
- No modification of the block needed during installation. Zero waste material.
- Four sealing grooves within the internal faces ensure correct contact all along the cable/pipe.
- Minimum and maximum sealing range is marked on the blocks. Also, the colour-coding allows for correct visual inspection. Our system can be visually inspected at a glance.
Round Transits
Designed to be sealed using standard Hawke tolerant blocks, Hawke round transit frames provide effectively sealing of cables and pipes through a circular aperture. HRTO Certified for both Civil and Marine applications.
- 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 it installation.
Compression system
The final element of the frame installation, this is inserted above the compression plate and the bolts tightened to seal the whole frame.
- Available in 120 and 60mm width (for 120 and 60 mm frames).
- Designed to be installed in all rectangular apertures.
- Materials: Mild Steel, Stainless Steel.
EX
Our sealing systems are applicable to any wall or bulkhead penetrated by cables or pipes in which the structure may be exposed to:
- Chemical plants, refineries and petrochemical plants, oil platforms (offshore), mines, paint shops, waste recycling plants, wood processing workshops, food industry and flour mills