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Stainless Steel Grass Puddle Manhole Cover
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- Case
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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. Over time, manhole covers have come to be perceived as drab, black “patches” in urban park and green-space settings—dissonant intrusions on the city’s aesthetic tapestry that clash with the spirit of modern urban life. Consequently, the design and integration of manhole covers have failed to evolve and flourish as they should.
Leveraging years of mature production processes, a professional production line, and a fully equipped supporting infrastructure, combined with the advantages of various manhole covers currently available on the market, Yete has specially developed a new type of manhole cover—“ Stainless Steel Grass Puddle Manhole Cover ”. Also called “ Planting manhole covers ”,“ Grass-embedded manhole cover "and Stainless Steel Invisible Manhole Cover It combines the advantages of resin grass pot manhole covers—discreet, aesthetically pleasing, and theft-proof—with those of stainless steel manhole covers—robust and durable. Featuring a brand-new design concept, it is formed in one stamping process using 2mm 304 stainless steel, eliminating the need for welding. From production to installation, there is zero waste, a longer service life, energy conservation and environmental protection, resistance to compression and impact, and easy installation, making it the best choice for municipal construction and urban greening. Note: The stainless steel grass pot manhole cover developed and manufactured by Fujian Yete Industry Co., Ltd. holds a patent certificate certified by the State Intellectual Property Office; counterfeiting will be prosecuted!
Comparison of the Advantages and Disadvantages of Industrial-Grade Stainless Steel Grass-Pit Manhole Covers vs. Traditional Grass-Pit Manhole Covers:
Project Stainless Steel Grass Puddle Manhole Cover Traditional grass-pit manhole cover Comparative Explanation Physical Properties Material 304 stainless steel Resin/Plastic Tensile strength (N/mm²) ≥530 ≥49 Plastic accounts for 9.2% of 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 substancesPlastics 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-box 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.Application areas for Yete stainless steel grass pit manhole covers:
Widely used in urban park green spaces, landscape gardening facilities, stadiums, lawns, flower beds, and various other settings.
“Stainless steel invisible 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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