Description
The DU139 1000x1000x100mm D400 ductile iron manhole cover is a premium heavy-duty access cover designed for demanding highway and commercial applications. Manufactured by Eccles using high-strength spheroidal graphite cast iron, it complies with BS EN124-2:2015 and has been independently BSI Kitemark certified for assured quality and performance.
Designed for areas subjected to constant vehicle loading, the DU139 is suitable for carriageways, industrial developments, distribution centres, service yards, loading areas and commercial infrastructure projects where reliability is essential.
Its robust 100mm deep frame provides excellent load distribution while the three-point suspension system ensures a stable, non-rock installation throughout its service life.
Key Features
- 1000mm x 1000mm clear opening
- Heavy-duty D400 load rating (400kN)
- Manufactured from ductile iron
- BS EN124-2:2015 compliant
- BSI Kitemark certified
- SmartGrip® anti-slip surface
- Three-point suspension for stability
- Black coated finish
- 100mm deep frame
- Suitable for highways and commercial developments
- Optional locking, vented, badged and sealing plate versions available
Typical Applications
- Cable pits and cable chambers
- Electricity substations
- Utility infrastructure
- Telecom chambers
- Fibre optic networks
- Highways and carriageways
- Industrial estates
- Distribution centres
- Loading bays
- Commercial developments
- Business parks
- Civil engineering projects
Why Buy From Drainage & Civils Direct?
- Nationwide delivery
- Trade and public welcome
- Competitive contractor pricing
- Expert technical advice
- Trusted UK drainage supplier
- Quality products from leading manufacturers
All manhole covers, gully covers, and frames are supplied through an external supplier. Delivery charges will be calculated in your cart at checkout. Due to the size and weight of these items, deliveries are typically made using an artic vehicle.
Returns are subject to a restocking fee and haulage (consumer cost), which will be deducted from your refund.
Please review all product specifications before placing an order. If you require assistance selecting the correct product, our team is available on 03338803558Â or info@drainageandcivilsdirect.co.uk to provide professional guidance.
By completing your order, you acknowledge and accept these delivery and return terms.
- Product Code: DU139
- Load Rating: D400 (Group 4)
- Clear Opening: 1000 x 1000mm
- Overall Frame Size: 1150 x 1150mm
- Frame Depth: 100mm
- Material: Ductile Iron (Spheroidal Graphite Cast Iron)
- Surface Finish: Black Coated
- Surface Pattern: SmartGrip® Anti-Slip
- Certification: BSI Kitemark
- Standard: BS EN124-2:2015
- Load Test: 400kN (40 Tonne)
- Suspension System: Three Point Suspension
- Optional Extras: Locking, Vented, Badged and Sealing Plate versions available.
Is this manhole cover suitable for highways?
Yes. The DU139 is rated to D400 (400kN) and is suitable for carriageways, industrial estates and other areas subjected to regular heavy vehicle traffic.
Can this cover be used over cable pits?
Yes. The 1000 x 1000mm clear opening makes it a popular choice for large cable pits, utility chambers and electrical infrastructure projects.
What does the D400 load rating mean?
A D400 manhole cover is tested to withstand a 400kN (40-tonne) test load and is designed for roads, commercial vehicle areas and other heavy-duty applications.
Is this manhole cover compliant with BS EN124-2?
Yes. The DU139 is manufactured in accordance with BS EN124-2:2015 and carries BSI Kitemark certification.
Can this cover be supplied with locking or vented options?
Yes. Locking, vented, badged and sealing plate options are available to suit different project requirements
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