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TWKIT/D6/1867

Unite D400 manhole cover 1830mm x 675mm clear opening with 150mm frame depth comes with three 25kg tubs of UniPak Mortar

Specification

Stock code Range Clear opening
(mm)		 Overall frame
(mm)		 Frame depth
(mm)		 Options My Wrekin Downloads
TWKIT/D6/1867 Unite 1,830 x 675 2,075 x 920 150

Features

  • GritBlocker™ anti-blockage keyway insert comes pre-installed.

    Anti-blockage keyway

  • The enlarged frame corners help to dissipate loads onto the foundation, providing a longer service life and increased reliability.

    Enlarged frame corners

  • Safety keyway prevents accidental disengagement of the lifting key during the handling process.

    Safety keyway

  • 70+ PSRV tested at top surface of chequer by UKAS accredited 3rd party.

    PSRV tested

  • Unite is available with a 10 year warranty (subject to terms).

    Unite 10 year warranty

  • The high seating position ensures that forces are transmitted more directly downwards, meaning conversion of traffic loads into mortar-compatible compression forces.

    Cover support geometry

  • Meets the requirements of CD 534 v0.1.0 (formerly HA 104/09).

    CD534 v0.1.0

  • Indexed corners ensure correct orientation first time, every time.

    Indexed corners

  • The covers feature a universal beam (also known as an I beam) providing significant improvements to rigidity, reducing seat wear for an enhanced service life.

    Universal beam icon

  • Non rocking 3-point suspension design, for silent operation.

    3 point suspension

  • Frame gussets are supports which reinforce the corners where the frame sections meet, distributing stress evenly, preventing damage to the frame or the access cover.

    Gussets icon

  • Holes in the frame flange where mortar can pass between the underside and top side, creating an interlock, providing greater strength.

    Mortar Apertures icon

  • Unlike sharp, square-edged frames, rounded edges reduce stress concentrations and minimise crack formation.

    Rounded frame flange

  • Keyway lifting points are provided on the frame for safe handling.

    Keyway lifting point in the frame

  • Mechanical lifting points are provided.

    Mechanical lifting point

  • Surface texturing above and below the flange enables better mortar engagement, reducing any lateral movement which could result in cracking.

    Textured mortar engagement flange surface

Images

Specification

General information

Stock code
TWKIT/D6/1867
Primary material
Ductile iron
Range
Unite
Category
Manhole cover
Flanges
4

Standards, classes and groupings

Standards
BS EN 124-2
BS7903
DMRB
MCHW
CD 534 v0.1.0
BS EN 124 Class
D400
BS EN 124 Group
4
Third party certified
Kitemark

Dimensions

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

2,075 mm x 920 mm
Clear opening (C x D)

1,830 mm x 675 mm
Frame depth (E)
150mm
Base opening (F x G)

1,860 mm x 710 mm

EPD Data

Total life cycle (cradle to grave)
770.75 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
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

Downloads

BIM model - DMT0D6-1867-KU - 430.ifc
BIM File-Login required
Wrekin Manhole Cover Installation Guide.pdf
Instruction manual-pdf
Kitemark Certificate.pdf
Certificate-pdf
Unite range specification clauses.pdf
Specification clause-Login required
PSRV Certificate of Conformance - 2025.pdf
Certificate-pdf
Wrekin BRE Verified EPD Unite Range.pdf
Environmental Product Declaration (EPD)-Login required

Notes

  • Please note, this product is only compatible with our factory fitted flood and odour control plate. The retrofittable seal plate will only work with stock codes ending "/KUE".
  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.
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