Roxtec CF 8/32 BG Cable Transit Frame
Sealing Cables & Cable Ducts
Roxtec CF 8/32 BG cable transit frames have a compact frame and are constructed from cast aluminium with nickel plating to ensure electrical conductivity – the Roxtec frame is suitable for installation also around existing multiple or single pre-terminated cables and pipes in one opening.
Roxtec rectangular cable transit frames are used to provide a reliable cable sealing ensuring safety, efficiency and long-term operational reliability – Roxtec cable seals protect against fire, gas, water, dusts, pests, blast load and electromagnetic interference.
âž¡ Visit Cable Transits to view the complete range of sealing systems for cable and pipe entries on cabinets, switchgear, electrical enclosures and substations (LV 11kV 33kV 66kV 132kV) – see Round Cable Seals for sealing round type cable ducts and pipe entries.
Roxtec CF 8/32 BG cable transit frames have an integrated compression unit within the frame and are supplied as ready made kits.
Installing Roxtec CF 8/32 BG Cable Transit Frames
Contact T&D should you require support on the installation of Roxtec CF 8/32 BGÂ cable transit frames:
Frame Installation
- 1. Ensure good electrical conductivity between the counter frame and the structure. Clean the surface around the opening from inside the opening. Remove any paint if necessary. See installation preparations.
- 2. Insert the frame from the outside of the opening.
- 3. Insert the counter frame from the inside of the opening.
- 4a. Fasten the frame by tightening the nuts with an allen key. Fasten the ground lug with a spanner.
- 4b. If applicable, install an external ground conductor and secure with the hex nut.
Module Installation
- 1. Clean the empty frame from paint, dirt etc. to secure good electrical conductivity.
- 2. Mark where the outer jacket is to be cut.
- 3a. Remove the outer jacket and armor/shield with a tool of your choice. Make sure not to damage the cable screen/armor. Remove any protection tape or plastic.
- 3b. When required for inner conduction protection, fit an anti-short bushing at the end cut of the cable screen / armor.
- 4. Remove the core and fold out the braid on modules that are to hold cables or pipes.
- 5. Adapt outer layers to cable/pipe on both module halves.
- 6. Adapt inner layers to cable screen / armor / pipe on both module halves.
- 7. Fold the braid tightly inside the module.
- 8. Achieve a 0.1-1.0 mm gap between the two halves when held against the cable or pipe.
- 9. Lubricate the frame on the areas that will be in contact with the rubber of the modules. Avoid excess lubricant on areas in contact with the braid.
- 10. Lubricate all modules for the frame thoroughly, both the inside and the outside surfaces. Avoid excess lubricant on the braid.
- 11. Insert the module halves around the cables from the inside of the cabinet. Make sure that the braid is in contact with the armor of the cable.
- 12a. You may use the CF compression tool to pre-compress the inserted modules and make room for the last modules.
- 12b. You can finalize pre-compression by using the Roxtec precompression wedge.
- All modules should be of the same type in each opening and turned in the same direction. Please note the markings on the face of the module.
- 13. Lubricate the compression unit on all sides with Roxtec Lubricant.
- 14. Gently insert the compression unit from the inside of the cabinet until stop.
- 15. Tighten the compression unit to seal the frame. Recommended torque 8-12 Nm/5.9-8.8 lbf-ft.
- 16. If applicable, check that the ground lug is correctly installed.
Sealing Cable Ducts With Roxtec – cable sealing modules consist of two halves with removable layers and a centre core which is removed to permit cable or pipe installation in medium/high voltage substations, hazardous areas and electrical infrastructure
Cable & Duct Sealing Transit Frames – T&D Approved Roxtec Distributor
Roxtec CF 8/32 BG Cable Transit Frame – Data SheetDownload
