My Wrekin


Highway D400 3 flange pedestrian safe (heel guard) gully grate 425mm x 425mm clear opening with 100mm frame depth

Gully grates

Stock code Range Overall frame
(A x B)
Clear opening
(C x D)
Frame depth
Base opening
(F x G)
Waterway area Datasheet My Wrekin
DGHT0D4/4545/KHP Highway 615 mm x 545 mm 425 mm x 425 mm 100 mm 450 mm x 450 mm 910 cm²
  • Captive hinges reduce theft risk whilst allowing easy lifting.

    Captive hinges
  • Enlarged frame corners help to dissipate, load minimising bearing pressure.

    Enlarged frame corners
  • Mechanical lifting points are provided.

    Mechanical lifting point
  • Reversible hinge allows the grating to hinge with the direction of the traffic flow, improving safety.

    Reversible hinge

Product images

Product drawings

General information

Stock code
Primary material
Ductile iron
Gully grate

Standards, classes and groupings

BS EN 124
CD 534
CD 526
BS EN 124 Class
BS EN 124 Group
Third party certified
CD526 Hydraulic Capacity


Frame shape
Manhole shape
Overall frame length (A)
615 mm
Overall frame width (B)
545 mm
Clear opening length (C)
425 mm
Clear opening width (D)
425 mm
Frame depth (E)
100 mm
Base opening length (F)
450 mm
Base opening width (G)
450 mm
Waterway area
910 cm²


The D400 load capability of these Group 3 products also offers the benefit of making them suitable for exposure to Group 4 traffic types.

Pedestrian friendly with a heel safe grating.

Where 3-flange D400 Gully Grate assemblies are employed, we recommend that they are installed against a kerb, not in an open highway location

All values stated are nominal within 2.5% tolerance.


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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.