En124 D400 600mm Round Ductile Cover with Removable Tool Tray for Maintenance

En124 D400 600mm Round Ductile Cover with Removable Tool Tray for Maintenance. EN124 D400 Certification: Manufactured strictly following EN124 international standard for high load-bearing capacity. Customizable Design: Customized text, patterns, logos, and non-standard sizes available per customer requirements. Anti-Theft Safety: Integrated hinge and dedicated anti-theft opening device prevent unauthorized access. Quiet Operation: EPDM rubber shock-absorbing pad reduces noise from 70-80 dB to 50-60 dB. High Corrosion Resistance: Surface treated with hot-dip galvanizing or electrostatic spraying for extended service life. Easy Installation: Manhole base features anchor holes for fixation; weight is 20-30% lighter than gray cast iron.