Product Description
We combine robust engineering with modern urban design. Our B125 square manhole covers provide clean straight lines that fit perfectly into block paving, concrete sidewalks, and asphalt walkways, offering an attractive yet highly functional finish.
Certified EN124-2 Class B125 Compliance: Fully tested to meet European Standards EN 124-1:2015 and EN 124-2:2015. Rated for a 125kN (12.5 Tons) test load, making it exceptionally safe for areas accessed by pedestrians, cyclists, and occasional light vehicles.
High-Strength GGG50 Ductile Iron: Crafted using premium ductile iron (spheroidal graphite iron) rather than brittle grey iron. This provides superior tensile strength and impact resistance, allowing for a lighter-weight design without sacrificing load-bearing capacity.
Seamless Square Design for Easy Paving: The clean square profile allows contractors to easily cut surrounding paving stones or bricks, ensuring a neat, flush integration with the ground surface and minimizing tripping hazards.
Enhanced Anti-Slip Surface Pattern: Engineered with a raised geometric tread pattern on the cover top, ensuring maximum grip and traction for pedestrians and mobility equipment, even in wet or frosty weather conditions.
Superior Anti-Rust Finishing: Coated with a protective layer of black bitumen paint or eco-friendly epoxy coating. This finish ensures long-term resistance to environmental corrosion, coastal air, road salts, and chemical exposure.
Optional Secure Locking & Gasket: Available with integrated locking bolts to prevent unauthorized access or tampering, along with optional rubber gaskets to minimize micro-vibrations and prevent water ingress.
Technical Specifications
Discover the precise engineering data for our B125 square series. Custom sizes can be requested directly via our engineering team at MINGTE GROUP:
| Technical Parameter | Specification / Data |
| Official Website | |
| Standard Compliance | EN 124-1:2015 / EN 124-2:2015 |
| Load Class | Class B125 (125 kN / 12.5 Tons) |
| Material Grade | Ductile Iron GGG50 / Spheroidal Graphite Iron (ISO 1083 / QT500-7) |
| Frame Type | Square Frame with Square Cover (Solid Top) |
| Popular Sizes (Clear Opening) | 300x300mm, 450x450mm, 500x500mm, 600x600mm (Custom sizes available) |
| Frame Height | 30mm / 40mm / 50mm (Optimized for medium-duty installation) |
| Locking Mechanism | Available with Stainless Steel Bolted Locking Systems |
| Surface Treatment | Anti-corrosive Black Bituminous Coating / Premium Epoxy Finish |
Premium OEM & Supply Chain Services
As a dedicated manufacturer showcased on Mingte Group, we support global wholesalers, contractors, and distributors with reliable B2B services:
Custom Logo Casting: Personalize your inventory. We can cast your municipal emblem, company logo, or specific service markings (e.g., "TELECOM", "WATER", "CATV") onto the cover surface.
Rigorous Batch Testing: Every manufacturing lot undergoes stringent hydraulic load press testing to guarantee strict EN124 compliance.
Seaworthy Export Packing: Securely stacked on robust pallets, wrapped tightly in heavy-duty stretch film, and bound with steel bands to ensure pristine condition upon arrival at your destination port.
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