TianshuiStainless Steel Grass-Planting Manhole Cover
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Product Description
Manhole covers, as a seemingly minor yet integral element of the urban landscape, are ubiquitous in parks and green spaces, playing a meaningful role in showcasing a city’s charm and promoting its civic culture. Yet for many years these public infrastructure components have been largely overlooked, resulting in a uniformly bland and uninspired appearance across cities nationwide. For too long, manhole covers have appeared in urban parks and green areas as little more than dark, inconspicuous “patches,” disrupting the aesthetic harmony of the cityscape and clashing with the modern urban ethos. As a result, the design and integration of manhole covers have failed to evolve and flourish.
Leveraging years of mature production processes, professional production lines, and well-equipped supporting facilities, Fujian Yete Industry Co., Ltd. has specially developed a new type of manhole cover—the “stainless steel grass-growing manhole cover”—by capitalizing on the advantages of various manhole covers currently available on the market. It is also known as the “planting manhole cover,” “grass-pot manhole cover,” and stainless steel invisible manhole cover. This innovative product combines the concealed, aesthetically pleasing, and anti-theft features of resin grass-pot manhole covers with the robustness and durability of stainless steel manhole covers. Utilizing a completely new design concept, it is formed in one stamping operation using 2mm 304 stainless steel, eliminating the need for welding. As a result, there is zero material loss from production to installation, a longer service life, energy efficiency, environmental protection, superior resistance to pressure and impact, and easy installation—making it the ideal choice for municipal construction and urban greening projects. Note: The stainless steel grass-pot manhole covers developed and manufactured by Fujian Yete Industry Co., Ltd. are backed by a national intellectual property patent certificate; counterfeiting will be strictly prosecuted!
Comparison of the Advantages and Disadvantages of Industrial-Grade Stainless Steel Grass-Planting Manhole Covers vs. Traditional Grass-Planting Manhole Covers:
| Project | Stainless Steel Grass-Planting Manhole Cover | Traditional grass-embedded manhole cover | Comparative Explanation | |
| Physical Properties | Material | 304 stainless steel | Resin/Plastic | |
| Tensile strength (N/mm²) | ≥530 | ≥49 | Plastic accounts for 9.2% less than stainless steel. | |
| Wear resistance | High | Low | Severe erosion due to water flow | |
| Ultraviolet irradiation | No aging issues | Severe aging | Plastics degrade severely under light. | |
| Coefficient of thermal expansion (10-6/ ℃) (0~100 ℃) |
17.3 | 70 | Plastic is four times that of stainless steel. Plastics generally exhibit thermal deformation; with a temperature difference of 40°C, they expand by 6 centimeters per 10 meters. |
|
| Cold Adaptation | ≤-270°C |
Must be ≥0°C
Otherwise, there will be a change in brittleness. |
Plastics are not suitable for low-temperature environments and become brittle in winter. | |
| Heat Adaptation | ≥400°C | Should be ≤50°C Leaching of hazardous substances |
Plastics are not heat-resistant.
Toxic gases are produced during combustion. |
|
| Corrosion-resistant | Excellent | Weak | ||
| Safety and Environmental Protection | Aesthetics | Beautiful and exquisite appearance | Common | Stainless steel is more suitable for landscape design. |
| Impurity aggregation | Not easy | Easy | Stainless steel cleaning, high glossiness | |
| Security |
High |
Low |
Traditional manhole covers are prone to weathering and cracking, posing safety risks. |
|
| Environmental performance | 100% recycled | Non-degradable, non-reusable | Plastic grass pot manhole covers are not green materials. | |
| Service Life (years) | More than 30 years | Weathering and fragmentation in two to three years | Plastic is less than 1/20 the weight of stainless steel. | |
Features and advantages of Yete stainless steel grass-embedded manhole covers:
1. High strength: Made from high-quality 304 stainless steel, formed in a single stamping operation—no welding required.
2. Corrosion resistance: Exhibits excellent acid- and alkali-resistance as well as superior corrosion resistance; its anti-aging performance meets or exceeds Grade 3, ensuring a long service life.
3. Aesthetic appeal: The surface features an exquisite pattern design, allowing for the planting of various flowers and plants to enhance the urban environment;
4. Lightweight: Weighing only about one-third as much as cast iron, it is easy to transport, install, and carry out emergency repairs, significantly reducing labor intensity.
5. Theft Prevention: Stainless steel invisible manhole covers provide natural theft protection, effectively eliminating the risk of “urban black hole” accidents.
Applications for Yete Stainless Steel Grass-Planting Manhole Covers:
Widely used in urban park green spaces, landscape gardening facilities, stadiums, lawns, flower beds, and various other settings.
“Stainless steel grass-embedded manhole covers” are one of the specialized products that Yete Energy-Saving has been manufacturing for the long term. Our product line features a wide variety of types and specifications, and we can also offer custom-made solutions tailored to specific customer needs, ensuring high quality at competitive prices.
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9th Floor, Building A, Ziguang Science and Technology Park, No. 30 Wulongjiang Avenue, Nanyu Town, Fuzhou City
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