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| Material | High-Quality Carbon Steel |
| Surface Treatment | Hot-Dip Galvanized (Zinc Coating) |
| Standard | Compliant with EN124 Standard |
| Load Rating | Up to D400 (Adjustable via internal reinforcement) |
| Operation | Single-person lifting via dedicated tool/hook on chains |
| Customization | Adjustable size and load capacity |
| Surface | Can be paved over for a flush finish |
This galvanized steel manhole cover combines the proven structural strength of steel with the long-term corrosion resistance of a thick,hot-dip zinc coating. Engineered to withstand demanding environments and the heaviest loads while effectively resisting rust. Its standout feature is the integrated lift-chain system: four securely welded hollow cylinders on the cover's surface house robust chains. This ingenious design provides reliable and balanced lifting points,eliminating the need to pry under the cover's edge. It allows for controlled,single-person operation,significantly improving safety and handling efficiency compared to traditional heavy covers that require risky manual gripping or levering.
The hot-dip galvanizing process provides a metallurgically bonded zinc layer that acts as a sacrificial anode,offering superior and long-lasting protection against rust compared to standard painted steel.
The welded cylinders and chains provide dedicated,robust lifting points. This prevents slipping,reduces strain on the operator,and allows for a balanced lift,vastly improving safety over awkward edge-lifting.
Delivers strength and corrosion resistance close to stainless steel at a more accessible price point,offering outstanding value for money.
Maintains the high load-bearing capacity (up to D400) of steel,customizable through internal reinforcement design to suit specific project requirements.
Provides a sturdy base for seamless paving integration with the surrounding landscape,achieving a discreet and aesthetic finish. The lift cylinders can be designed to allow paving over.
The zinc coating significantly extends service life. The all-welded,galvanized lift system is built for durability and requires minimal upkeep.
Feature
Corrosion Protection
Lifting Mechanism
Operator Safety
Long-TermMaintenance
Lifecycle Cost
Our Galvanized Cover (with Lift-Chain)
Excellent (Sacrificial Zinc Layer)
Integrated,Balanced Points (Safer,Easier)
Enhanced (Controlled,ReducesStrain)
Very Low
Lower (Less Maintenance)
Common Uncoated Cast Iron Cover
Poor / Requires FrequentRepainting
Awkward Edge Lifting (Heavy,Risky)
Lower (Manual Handling Hazard)
High (Ongoing Anti-RustTreatment)
Higher (Labor & Material forUpkeep)
Let us understand your project requirements.
The Tengwei team will provide you with professional solutions and quotations
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