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DBT0D4/4428/KH

Highway D400 surface box 445mm x 280mm clear opening with 100mm frame depth

Stock code Range Clear opening
(mm)
Overall frame
(mm)
Frame depth
(mm)
My Wrekin
DBT0D4/4428/KH Highway 445 x 280 680 x 515 100
  • The enlarged frame corners help to dissipate loads onto the foundation, providing a longer service life and increased reliability.

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

    Indexed 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
  • CD 534 v0.1

  • Mechanical lifting points are provided.

    Mechanical lifting point

Images

Specification

General information

Stock code
DBT0D4/4428/KH
Primary material
Ductile iron
Range
Category
Surface box
Flanges
4

Standards, classes and groupings

Standards
BS EN 124-2
BS750
BS5834
DMRB
MCHW
CD 534 v0.1.0
BS EN 124 Class
D400
BS EN 124 Group
4
Third party certified
Kitemark
BS5834 Grade
A
BS750 Grade
A

Dimensions

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

680 mm x 515 mm

Clear opening (C x D)

445 mm x 280 mm

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

465 mm x 300 mm

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/U6.5 6.5Kg Unipak® rapid curing polyester resin mortar
GRITBLOCKER Anti-blockage keyway insert
SCREWLIFT Manhole cover levelling system
KEY/LONG Large cover lifting keys with a long handle (sold as a pair)
KEYS/L Small cover combined lifting key
KEYSHEAVY Large cover lifting keys with a standard handle (sold as a pair)

Notes

All values stated are nominal within 2.5% tolerance.

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. Installation details are available on request.
4. All Wrekin products are supplied subject to our Terms and Conditions of Sale