Frames
MCT Brattberg’s range of transit frames, for both welding and bolting, meet the various requirements of offshore and marine applications. RGS is the most common frame type. RGSF and RGSFB frames are for less accurate holes cut in decks and bulkheads. RGSC is a frame for use in high-stress areas. The RGSK frame allows installations in positions where the transit needs to elevated above possible contamination. MCT Brattberg has frames for both casting into the structure (RGB frame) and mounting in lightweight wall constructions (RGG frame).
The standard frame is made of a flat steel bar 60x10 mm or an angle bar 60x60x6 mm, in mild steel, stainless steel or aluminium. The mild steel frames are supplied with two types of surface finish, primer or galvanized. The internal width is always 120.5 ± 0.5. The height varies with the sizes - numbered 2, 4, 6 or 8, which give heights of 100, 159, 218 and 276 respectively. All the frames can be manufactured in combinations.
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Insert blocks
MCT Brattberg’s insert blocks are manufactured from Lycron, a synthetic polymer that was developed to withstand fire, explosions, temperature variation, ageing, radiation and rodents. The blocks are injection moulded giving precision components to a high degree of accuracy. Standard blocks are available for cable diameters from 4 – 100 mm. Other dimensions can be supplied to order. Each AddBlock can be adapted to five different cable dimensions. U-blocks are used to increase the outside dimensions of all blocks to the next module size.
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EMC Transits
The E series frames and components provide the same sealing as the standard MCT Brattberg system but with added, built-in protection against electromagnetic pulse (due to lightning or nuclear blast) and interference, electronic sabotage (synthetic EMP) and static electricity.
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Components, Tools and Accessories
Components.
In addition to the frame and insert blocks, components needed within the frame to secure and complete a stable installation include:
- Stayplate
- Compression plate
- STG-Endpacking
- PTG-Presswedge
Tools and Accessories
Products that help in the assembly, disassembly and re-entry of transits:
- Lubricant
- Block selector
- Packing tool
- Flex head spanner
- End packer puller
- Quick release spanner
Read more about Tools and Accessories.
