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| Categories | SMC Manhole Covers |
|---|---|
| Brand Name: | Elite |
| Model Number: | SS300A |
| Certification: | En124, ISO9001/45001/14001,As3996 |
| Place of Origin: | China |
| MOQ: | 50set |
| Payment Terms: | T/T |
| Supply Ability: | 5,000 Tons / Year |
| Delivery Time: | 10-20days |
| Packaging Details: | Pallet + Waterproof stretch film |
| Installation Method: | Embedded or surface mounted |
| Size: | Various sizes available |
| Application: | Underground utility access |
| Surface Treatment: | Anti-slip surface |
| Locking System: | Bolted or hinged |
| Material: | SMC (Sheet Molding Compound) |
| Certifications: | EN124, ISO9001, ISO14001,,As3996 |
| Durability: | Long-lasting and durable |
| Fire Resistance: | Fire retardant |
| Load Capacity: | Up to 40 tons |
| Corrosion Resistance: | Highly resistant to corrosion |
| Color: | Black or custom color |
| Weather Resistance: | Can withstand extreme weather conditions |
| Shape: | Round, Square, Rectangle |
| Company Info. |
| Qingdao Elite New Materials Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Light-weight Durable SMC Square Manhole Cover with A15 for Infrastructure Construction
| 1 | Strength & Load-Bearing Capacity | - Meets the needs of most municipal, commercial and medium-to-high
load scenarios; - More in-depth testing is required in extreme overload (such as airport runways and facilities). | - High reliability in high-pressure and heavy-load environments; - Brittle cracks may occur if the casting process or material grade is not good. | In conventional load scenarios, SMC performance is sufficient; in heavy-load extreme occasions, cast iron still has advantages or upgraded SMC can be considered. |
| 2 | Weight & Installation | - Lightweight, easy to install, saving labor and transportation
costs; - Market awareness is still low, and corresponding training or usage guidance is required. | - Heavy weight, good stability, not easy to shift; - More manpower or machinery is required, and the installation cost is relatively high. | SMC is more suitable for projects with insufficient manpower, tight construction schedule or limited installation conditions; cast iron can still be completed quickly when construction resources are sufficient. |
| 3 | Anti-Theft & Safety | - No metal recycling value, the risk of theft is almost zero; - Special anti-theft design can be added to further improve safety. | - Has metal recycling value, theft incidents are frequent; - Anti-theft locks or alarm devices need to be installed separately, adding extra costs. | SMC is more effective in areas with high incidence of theft and projects with high public safety requirements. |
| 4 | Corrosion Resistance | - Resistant to acid, alkali, salt spray and general chemical corrosion, the surface does not rust, and less maintenance in the later stage; | - Long service life in ordinary municipal environments; - Coastal and chemical zones are prone to rust and require continuous anti-corrosion and maintenance. | In chemical, coastal, and high-salt-alkali areas, SMC saves more maintenance costs; cast iron needs to strengthen anti-corrosion treatment. |
| 5 | Temperature adaptability range | - The structure is stable and not easy to deform in the range of
**-40℃ to 150℃**; - Very few high-temperature scenarios exceeding 150℃ require special evaluation. | - It is less sensitive to high temperatures, but may become brittle
in extremely cold environments; - Long-term use in extremely low temperatures or hot and cold cycle environments requires regular inspections. | SMC can meet most climatic conditions without worrying about high-temperature deformation; customized solutions can also be considered for extremely cold and hot scenes. |
| 6 | Cost and Return on Investment (ROI) | - The initial purchase price is slightly higher than ordinary cast
iron, but the subsequent theft, corrosion, maintenance and
replacement costs are lower; - The cost advantage of the whole life cycle is obvious. | - The supply chain is mature, and the unit price is usually lower
than SMC; - If the risk of anti-theft, maintenance or corrosion is considered in the long term, the total cost may rise. | To focus on long-term ROI or safe and stable operation, SMC has more outstanding overall advantages; cast iron can be selected first for extremely tight budgets or short-term projects. |
| 7 | Environmental protection and carbon emissions | - The production energy consumption and carbon emissions are lower,
in line with the trend of green environmental protection; - The waste recycling system is still developing. | - The metal recycling system is mature; - The smelting process has high energy consumption and high carbon emission pressure, and it is necessary to cope with increasingly stringent environmental protection policies. | In the current ESG and low-carbon policy environment, SMC can better demonstrate its environmental advantages; cast iron can rely on recycling, but high emissions are difficult to change. |
| 8 | Design and aesthetics | - Flexible customization of colors, patterns, and brand logos; - Suitable for urban landscapes and high-end commercial projects, meeting the unity of aesthetics and functionality. | - Traditional appearance is stable and highly recognizable; - If delicate carvings or special spraying are required, the cost and construction period will increase. | In occasions that focus on visual or brand image, SMC customization is more attractive; ordinary public roads or industrial environments have a simpler and more direct demand for the traditional appearance of cast iron. |
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