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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

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

    CD534 v0.1.0

  • 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 Clear opening
(mm)		 Base opening
(mm)		 Overall frame
(mm)		 Frame depth
(mm)		 Waterway area
(cm²)		 Options My Wrekin
DGHT0D4/4242/KHP4F Highway 425 x 425 440 x 450 615 x 625 100 910
DGHT0D6/4242/KHP4F Highway 425 x 425 450 x 450 615 x 625 150 910

4 flange gully grates

Stock code Range Clear opening
(mm)		 Base opening
(mm)		 Overall frame
(mm)		 Frame depth
(mm)		 Waterway area
(cm²)		 Options My Wrekin
DGHT0D4/4337/KH4F Highway 370 x 430 390 x 450 565 x 625 100 1,000
DGHT0D6/4337/KH4F Highway 370 x 430 390 x 450 565 x 625 150 1,000
DGHT0D4/4242/KH4F Highway 425 x 425 440 x 450 615 x 625 100 1,250
DGHT0D6/4242/KH4F Highway 425 x 425 450 x 450 615 x 625 150 1,250
DGHT0D4/6045/KH4F Highway 425 x 425 600 x 450 775 x 625 100 1,750
DGHT0D6/6045/KH4F Highway 425 x 425 600 x 450 775 x 625 150 1,750
DGHT0D4/6060/KH4F Highway 580 x 580 600 x 600 775 x 775 100 2,150
DGHT0D6/6060/KH4F Highway 580 x 580 600 x 600 775 x 775 150 2,150

Available options and accessories

Options

  • Screw locking
  • Enhanced Anti-slip coating

Accessories

View full details for available options and accessories
Dark night road with lights showing cars traveling
Create an installation that lasts

Specification clauses

Download and use our specification clauses in your future projects to ensure third-party installers use high-quality products. These documents provide clear, precise guidance for specifying our Unite and Highway product ranges, ensuring the best materials are always used in projects.

By incorporating these clauses, you can significantly reduce the likelihood of product failure, extend the lifespan of ironwork installations, and minimise costly road closures and disruptions.

Download specification clauses

Find a product

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  1. DGH0D4/6060/KHH4F

    Highway HaloHinge D400 4 flange gully grate cover 600mm x 600mm clear opening with 100mm frame depth

  2. DGH0D6/6060/KHH4F

    Highway HaloHinge D400 4 flange gully grate cover 600mm x 600mm clear opening with 150mm frame depth

  3. DGHT0D4/4242/KH4F

    Highway D400 4 flange gully grate 425mm x 425mm clear opening with 100mm frame depth

  4. DGHT0D4/4242/KHP4F

    Highway D400 4 flange pedestrian friendly gully grate 425mm x 425mm clear opening with 100mm frame depth

  5. DGHT0D4/4337/KH4F

    Highway D400 4 flange gully grate 430mm x 370mm clear opening with 100mm frame depth

  6. DGHT0D4/6045/KH4F

    Highway D400 4 flange gully grate 425mm x 425mm clear opening with 100mm frame depth (made to order)

  7. DGHT0D4/6060/KH4F

    Highway D400 4 flange gully grate 580mm x 580mm clear opening with 100mm frame depth

  8. DGHT0D6/4242/KH4F

    Highway D400 4 flange gully grate 425mm x 425mm clear opening with 150mm frame depth

  9. DGHT0D6/4242/KHP4F

    Highway D400 4 flange pedestrian friendly gully grate 425mm x 425mm clear opening with 150mm frame depth

  10. DGHT0D6/4337/KH4F

    Highway D400 4 flange gully grate 430mm x 370mm clear opening with 150mm frame depth

  11. DGHT0D6/6045/KH4F

    Highway D400 4 flange gully grate 425mm x 425mm clear opening with 150mm frame depth (made to order)

  12. DGHT0D6/6060/KH4F

    Highway D400 4 flange gully grate 580mm x 580mm clear opening with 150mm frame depth
Related case study

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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. 
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