Duct Seals – Filoform MDIV Water & Gas Cable Duct Sealing Kits

Duct Seals – Filoform MDIV Water & Gas Cable Duct Sealing Kits
Filoform MDIV is a water & gas cable duct sealing system developed for quick and easy duct sealing for empty ducts / boreholes where cables or pipes are to be installed at a later date.
The MDIV duct seal system is suitable for ducts with a diameter of 75mm up to 160mm.
This duct sealing system is specified and used by major Electrical, Gas, & Water Utililty companies in the UK and Benelux countries.

Filoform MDIV Water & Gas Cable Duct Sealing Kits
Water & Gas Cable Duct Sealing Kits
Features & Benefits
- Gas resistant and watertight 1,0bar cable duct seal
- Can be upgraded to a fire resistant duct seal by using MD+
- Resistant to Hydrogen Sulphide / Methane and many other corrosive, toxic and flammable gases
- Complies with ATEX regulations for sealing cables in hazardous areas
- WIMES Compliant, (3.02 Clause 7.4.3.2, d,e)
- Suitable for sealing ducts / bore holes
- Quick and easy installation
- A complete duct seal kit for one duct
- Seals XLPE EPR PVC & PE sheathed cables, PILC, (HD) PE pipes
- Excellent mechanical strength, after curing resistant to movements, shocks and vibrations
- Suitable for renovations, can be installed retrospectively
- Over 25 years of operational experience

Filoform MDIV Water & Gas Cable Duct Sealing System
Filoform MDIV Water & Gas Cable Duct Sealing Kits
Technical Specification
Duct Seal System Properties | Unit | Value |
Start time expansion | seconds | > 95 |
End time expansion | minutes | 15 |
Compressive strength | N / cm² | > 100 |
Density 1,0bar | 30 days | no leakage |
Density 5m water column | 30 days | no leakage |
Volume consistency | cube 10 x 10cm | no change |
Temperature Cycles, -20°C tot +40°C | 10 consecutive cycles | no leakage |
Vibration test 10 Hz/amplitude 3mm | 240 hours | no leakage |
Axial tensile force | diameter x 10 N | no leakage |
Resistance to bending | cables 45° in 2 directions >250mm | no leakage |
Expansion polyurethane foam in pipe | cm | < 40 |
Chemical resistance | ||
0,1N Na₂SO₄ | 30 days | no degradation |
0,1N NaCl | 30 days | no degradation |
0,1N H₂SO₄ | 30 days | no degradation |
0,1N NaOH | 30 days | no degradation |
Diesel | 30 days | no degradation |
Gasoline | 30 days | no degradation |
Resistance | ||
Moulds | good | |
Rodents | good | |
Shelf life | months | minimal 30 |
Filoform MDI – Product Specification
Filoform Part Ref | Cable Duct Seal Description | Maximum Duct Diameter (mm) | Maximum Cable Diameter In The Duct (mm) | Order Unit |
---|---|---|---|---|
280301 | MDIV-1 Ø 75- 95 | Ø 75 – 95 | N/A | per piece |
280321 | MDIV-3 Ø 95- 125 | Ø 95 – 125 | N/A | per piece |
280331P | MDIV-4 Ø 125- 160 | Ø 125 – 160 | N/A | per piece |

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