DMS1D4/60D/KU Force D400 circular manhole cover 610mm diameter clear opening with 100mm frame depth Specification Knowledge base Characteristic Value Range Force Overall frame (mm) Ø 850 Clear opening (mm) Ø 610 Frame depth (mm) 100 Options Options Screw locking Safety grille ID and comms badging Pressure relief holes My Wrekin Quantity Decrease quantity Increase quantity Reset quantity Options Screw locking Safety grille ID and comms badging Pressure relief holes Downloads Download datasheet Datasheet Download EPD data EPD Data Stock code Range Overall frame (mm) Clear opening (mm) Frame depth (mm) Options My Wrekin Downloads DMS1D4/60D/KU Force Ø 850 Ø 610 100 Options Screw locking Safety grille ID and comms badging Pressure relief holes Quantity Decrease quantity Increase quantity Reset quantity Download datasheet Datasheet Download EPD data EPD Data Features ClearBore fully enclosed hinges prevent debris ingress, ensuring smooth, unrestricted movement. ClearBore fully enclosed hinges prevent debris ingress, ensuring smooth, unrestricted movement. Built-in lifting points allow safe mechanical lifting, reducing manual handling and improving on-site safety. Built-in lifting points allow safe mechanical lifting, reducing manual handling and improving on-site safety. Optional ID badge supports RFID, NFC and IoT connectivity for asset identification and tracking. Optional ID badge supports RFID, NFC and IoT connectivity for asset identification and tracking. Safety keyways prevent accidental lifting key disengagement during handling for safer operation. Safety keyways prevent accidental lifting key disengagement during handling for safer operation. Hold covers securely open to prevent accidental closure during access. Hold covers securely open to prevent accidental closure during access. A low-security spring bar lock provides quick, reliable cover retention. A low-security spring bar lock provides quick, reliable cover retention. Texturing above and below the flange improves mortar grip and reduces lateral movement and cracking. Texturing above and below the flange improves mortar grip and reduces lateral movement and cracking. Gussets dissipate loading stresses effectively, providing long-term durability by preventing damage to the frame and bedding material. Gussets dissipate loading stresses effectively, providing long-term durability by preventing damage to the frame and bedding material. Directs forces vertically to convert traffic loads into mortar-compatible compression forces. Directs forces vertically to convert traffic loads into mortar-compatible compression forces. Frame holes allow mortar to flow through the flange, creating a strong mechanical bond for added stability. Frame holes allow mortar to flow through the flange, creating a strong mechanical bond for added stability. Smooth, rounded edges reduce stress points and help prevent cracking around the frame. Smooth, rounded edges reduce stress points and help prevent cracking around the frame. Integrated keyway frame lifting points provide safe and secure handling. Integrated keyway frame lifting points provide safe and secure handling. Images