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

Filoform MDII is a watertight and gastight cable duct sealing system developed for sealing ducts internally and externally around the outside edge of the duct.

The MDII duct seal system allows these cables to be sealed along a wall where the cable enters a building and is suitable for ducts with a diameter of 40mm up to 200mm and cables or pipes with a diameter up to 160mm.

This duct sealing system is specified and used by major Electrical, Gas, & Water Utililty companies in the UK and Benelux countries.

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

Water & Gas Cable Duct Sealing Kits

Features & Benefits

Gastight and watertight cable duct seals up to 1,0 bar
Can be used in any shaped or sized cable duct up to 200mm
Easy and quick installation
One complete kit for sealing of one duct
Seals XLPE EPR PVC & PE sheeted cables, PILC cables, (HD)PE pipes, PE drink water conduits
High mechanical strength, resists ground movement, shocks and vibrations
Also suitable for renovation works
No architectural measures necessary
Used by various utility companies as well as contractors
Over 25 years of operational experience

Filoform MDII Water & Gas Cable Duct Sealing Kit

Duct Seals – Filoform MDI 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 0,5bar	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
Temperature resistance	°C	+120
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 MDII – Product Specification

Filoform Part Number	Cable Duct Seal Description	Maximum Duct Diameter (mm)	Maximum Cable Diameter In The Duct (mm)	Order Unit
280271P	MDII-50 Duct Sealing Kit	Ø 50 max.	Ø 40 max.	per piece
280261	MDII-110 Duct Sealing Kit	Ø 110 max.	Ø 70 max.	per piece
280251	MDII-125 Duct Sealing Kit	Ø 125 max.	Ø 90 max.	per piece
280241	MDII-160 Duct Sealing Kit	Ø 160 max.	max. Ø 130	per piece
280246	MDII-200 Duct Sealing Kit	Ø 200 max.	max. Ø 160	per piece
280247	MDII-250 Duct Sealing Kit	Ø 250 max.	Ø 200 max.	per piece

Filoform MDII Duct Sealing System

Sealing Cable Ducts With Roxtec – cable transits and 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