En124 D400 Round Ductile Iron Manhole Cover for Municipal Road

En124 D400 Round Ductile Iron Manhole Cover for Municipal Road. High Load Bearing Grades: Available in A15 to F900 grades, supporting up to 90 tons for heavy-duty applications. Anti-Theft Design: Features concealed locks and anti-theft pins, reducing theft risk with low recycling value material. Noise Reduction Technology: EPDM rubber pads reduce noise from 70-80 dB to 50-60 dB for quiet residential areas. Corrosion Resistance: 5 times more resistant than ordinary steel, with a service life exceeding 30 years. Customizable Options: Custom colors, logos, patterns, and non-standard sizes available upon request. EN124 Standard Compliance: Manufactured strictly following EN124 international standards for municipal roads.