Back to Fabricated Manhole Covers
Product visualization available on request
Fabricated Manhole Covers
10mm / 12mm Chequer Plate Steel S275JR
Z-MHC Heavy Duty Manhole Cover D400
EN 124 Class D400 heavy-duty fabricated steel manhole cover and frame for carriageway applications. Designed to withstand 40-tonne wheel loads with a sealed and lockable cover, anti-rattle seating, and hot-dip galvanized finish for long service life in road infrastructure.
Material
10mm / 12mm Chequer Plate Steel S275JR
Key Features
EN 124 Class D400 rated (40-tonne wheel load)
Fabricated chequer plate cover with frame
Anti-rattle machined seating faces
Double-seal gasket for odour containment
Security locking bolts (pentagonal head)
Hot-dip galvanized per ISO 1461
Sizes from 600x600mm to 1200x1200mm
Concrete infill frame option
Lifting key holes for safe removal
Clear opening tolerance +/-2mm
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | Manhole Cover & Frame |
| Class | D400 (40 tonne) |
| Cover Material | 10mm / 12mm Chequer Plate S275JR |
| Frame Material | 75x75x8mm Steel Angle S275JR |
| Standard Sizes | 600x600 to 1200x1200 mm |
| Surface Finish | Hot-Dip Galvanized ISO 1461 |
| Seal | Double Neoprene Gasket |
| Locking | Pentagonal Security Bolts |
| Standards | EN 124-2, BS 497, QCS 2014 |
| Clear Opening | Per specification (+/-2mm) |
Applications
Road and highway utility access
Airport apron service pits
Industrial estate drainage
Municipal sewer and water networks