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Highway D400 Gully Grates - 4 flange

Our Highway Group 4 gully grates with four flanges are designed and manufactured to meet the enhanced requirements of Highways England’s Design Manual for Roads and bridges (DMRB) specification CD 534 v0.1.0.

The Highway range of access covers and gully grates conform to BS EN 124:2015 and also includes patented safety provisions and design features to ensure safe and robust performance.

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Highway D400 4 flange gully grate render

Features

  • Captive hinges reduce theft risk whilst allowing easy lifting.

    Captive hinges

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

    Enlarged frame corners

  • Mechanical lifting points are provided.

    Mechanical lifting point

Pedestrian friendly gully grates

Pedestrian-friendly gully grates are ideally suited to prevent prams, trolleys, scooters and bicycles from getting trapped in the grating.

Stock code Range Overall frame
(A x B)		 Clear opening
(C x D)		 Frame depth
(E)		 Base opening
(F x G)		 Waterway area Datasheet My Wrekin
DGHT0D4/4242/KHP4F Highway 625 mm x 615 mm 425 mm x 425 mm 100 mm 450 mm x 450 mm 910 cm²
DGHT0D6/4242/KHP4F Highway 625 mm x 615 mm 425 mm x 425 mm 150 mm 450 mm x 450 mm 910 cm²

4 flange gully grates

Stock code Range Overall frame
(A x B)		 Clear opening
(C x D)		 Frame depth
(E)		 Base opening
(F x G)		 Waterway area Datasheet My Wrekin
DGHT0D4/4337/KH4F Highway 625 mm x 565 mm 430 mm x 370 mm 100 mm 450 mm x 390 mm 1,000 cm²
DGHT0D6/4337/KH4F Highway 625 mm x 565 mm 430 mm x 370 mm 150 mm 450 mm x 390 mm 1,000 cm²
DGHT0D4/4242/KH4F Highway 625 mm x 615 mm 425 mm x 425 mm 100 mm 450 mm x 450 mm 1,250 cm²
DGHT0D6/4242/KH4F Highway 625 mm x 615 mm 425 mm x 425 mm 150 mm 450 mm x 450 mm 1,250 cm²
DGHT0D4/6045/KH4F Highway 775 mm x 625 mm 425 mm x 425 mm 100 mm 600 mm x 450 mm 1,750 cm²
DGHT0D6/6045/KH4F Highway 775 mm x 625 mm 425 mm x 425 mm 150 mm 600 mm x 450 mm 1,750 cm²
DGHT0D4/6060/KH4F Highway 775 mm x 775 mm 580 mm x 580 mm 100 mm 600 mm x 600 mm 2,150 cm²
DGHT0D6/6060/KH4F Highway 775 mm x 775 mm 580 mm x 580 mm 150 mm 600 mm x 600 mm 2,150 cm²
DGHT0D4/1045/KH4F Highway 1,175 mm x 625 mm 980 mm x 425 mm 100 mm 1,000 mm x 450 mm 2,750 cm²
DGHT0D6/1045/KH4F Highway 1,175 mm x 625 mm 980 mm x 425 mm 150 mm 1,000 mm x 450 mm 2,750 cm²

Available options and accessories

Options

  • Screw locking
  • Enhanced Anti-slip coating

Accessories

View full details for available options and accessories

Knowledge base articles

Knowledge base article

Ductile iron access cover FAQs

Frequently asked question questions about our ductile iron access cover range of products.

Knowledge base article

Operation and maintenance of BS EN 124 ironwork

The complete operation and maintenance (O&M) manual for all Wrekin BS EN 124 ironwork.

Knowledge base article

CD 526 hydraulic capacity classifications

A guide to the ‘P, Q, R, S & T,’ ratings are classifications listed in Highways England DMRB document CD 526 and how they are calculated to indicate a gully grating’s hydraulic capacity (or effectiveness at evacuating water from a hard standing area. e.g. carriageway).
Related case study

M60 - M62 Smart Motorway

The M60 – M62 smart motorway forms an important part of the main east-west transport corridor, linking Merseyside and Greater Manchester with Yorkshire and the Humber. Wrekin Products worked closely with Manchester Smart Motorway JV, offering technical advice and adapting the specification of the product to ensure it would provide the optimum solution. 
Manchester Smart Motorway JV
Read the full Case Study
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