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DMS1D4/60D/KU

Force D400 circular manhole cover 610mm diameter clear opening with 100mm frame depth

Features

  • ClearBore fully enclosed hinges prevent debris ingress, ensuring smooth, unrestricted movement.

    Anti-debris hinge
  • Built-in lifting points allow safe mechanical lifting, reducing manual handling and improving on-site safety.

    Mechanical lifting point
  • Optional ID badge supports RFID, NFC and IoT connectivity for asset identification and tracking.

    Retrofittable badge
  • Safety keyways prevent accidental lifting key disengagement during handling for safer operation.

    Safety keyway
  • Hold covers securely open to prevent accidental closure during access.

    Safety stop hinges
  • A low-security spring bar lock provides quick, reliable cover retention.

    Spring bar
  • Texturing above and below the flange improves mortar grip and reduces lateral movement and cracking.

    Textured mortar engagement flange surface
  • Strengthened corners dissipate loading stresses effectively, providing long-term durability and preventing damage to the frame and cover.

    Gussets icon
  • Directs forces vertically to convert traffic loads into mortar-compatible compression forces.

    Cover support geometry
  • Frame holes allow mortar to flow through the flange, creating a strong mechanical bond for added stability.

    Mortar Apertures icon
  • Smooth, rounded edges reduce stress points and help prevent cracking around the frame.

    Rounded frame flange
  • Integrated keyway frame lifting points provide safe and secure handling.

    Keyway lifting point in the frame

Images

Specification

General information

Stock code
DMS1D4/60D/KU
Primary material
Ductile iron
Range
Category
Manhole cover
Flanges
4

Standards, classes and groupings

Standards
BS EN 124-2
BS EN 124 Class
D400
BS EN 124 Group
4
Third party certified
Kitemark

Dimensions

Frame shape
Circular
Manhole shape
Circular
Overall frame (A x B)

Ø 850 mm

Clear opening (C x D)

Ø 610 mm

Frame depth (E)
100mm
Base opening (F x G)

Ø 690 mm

EPD Data

Total life cycle (cradle to grave)
190.37 kg CO₂ equivalent
Download EPD Data
BRE Greenbook Live
BRE Verified Logo

Available options

Accessories

Stock code Description My Wrekin
PC/UNIFORM/151076 Uniform chamber adjustment unit 760mm x 100mm x 15mm
PC/UNIFORM/251076 Uniform chamber adjustment unit 760mm x 100mm x 25mm
PC/UNIWEDGE/755012 Uniform support wedge 120mm x 50mm x 75mm
YPCR/U12.5 12.5Kg Unipak® rapid curing polyester resin mortar
YPCR/U25 25Kg Unipak® rapid curing polyester resin mortar
GRITBLOCKER Anti-blockage keyway insert
SCREWLIFT Simple and rapid manhole frame levelling system. Simply push the bushes into the holes in the flange and adjust the levelling screws to the required height.
KEY/LONG Large cover lifting keys with a long handle (sold as a pair)
KEYS/L Small cover combined lifting key

Knowledge base

  1. Wrekin Products Ltd is continually seeking to improve our products and therefore reserves the right to alter product specifications without prior notice.
  2. It is the responsibility of all users to satisfy themselves the above data is current.
  3. All values stated are nominal within 2.5% tolerance.
  4. Installation details are available in the knowledge base.
  5. All Wrekin products are supplied subject to our Terms and Conditions of Sale.