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

Filoform MDIII is a water and gas cable duct sealing kit developed as a simple solution for sealing cables and pipes in ducts or bore holes.

The MDI duct seal kits are extremely flexible and can be installed in ducts vertically and horizontally – the duct sealing system is specified and used by major Electrical, Gas & Water Utililty companies in the UK and Benelux countries.

Filoform MDIII Water & Gas Cable Duct Sealing Kits

Water & Gas Cable Duct Sealing Kits

Features & Benefits

Gas and water tight cable duct seal kits (1,0bar)
Fire resistant duct seals available with Filoform MD+
Resistant to Hydrogen Sulphide / Methane and many other gases
Complies with ATEX regulations for hazardous area locations and cable sealing
WIMES Compliant, (3.02 Clause 7.4.3.2, d,e)
Suitable for cable ducts / bore holes
Quick and easy installation
A complete 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 cable renovations – can be installed retrospectively
Over 25 years of operational experience

Duct Seals – Filoform MDIII 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
Gas and water tightness 1,0bar	30 days	no leakage
Density 10m 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 MDIII – Product Specification

Filoform Part Ref	Cable Duct Seal Description	Maximum Duct Diameter (mm)	Maximum Cable Diameter In The Duct (mm)	Order Unit
780291	MDIII-25 Duct Sealing Kit	Ø 25 max.	Ø 8 max Ø 70 max. Ø 70 max. .	per piece
282550P	MDIII-50 Duct Sealing Kit	Ø 50 max.	Ø 20 max.	per piece
282575	MDIII-75 Duct Sealing Kit	Ø 75 max.	Ø 40 max.	per piece
280295	MDIII-110 Duct Sealing Kit	Ø 110 max.	Ø 80 max.	per piece
280296	MDIII-160 Duct Sealing Kit	Ø 160 max.	max. Ø 130	per piece
2802973	MDIII-200 Duct Sealing Kit	Ø 200 max.	max. Ø 160	per piece
2802978	MDIII-250 Duct Sealing Kit	Ø 250 max.	Ø 220 max.	per piece

Filoform MDIII Duct Sealing System

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