Ductile iron hinged double triangular gully grates
A revolutionary design by Wrekin gives the best solution for grate security and high safety for narrow wheel users.
This grate has the unique Wrekin Tri-Way system of captive hinges that combine with a double triangular seating to allow single unit opening with an anti-theft feature. The Wheel-Safe grate design prevents trapping of small narrow wheels in any direction. This gully grate gives safe passage for wheelchair and pushchair users when moving off a pavement and for cyclists on the road the grate prevents wheel trapping and wheel deflection.
Note that for Group 4 compliance grates must have four flanges, whereas Group 3 may have three. TriWay Wheel-Safe offers both Group 3 and Group 4 compliant grate versions.
Key features
 |
For use in a D400 carriageway environment, Group 3 and 4 types available |  |
 |
Greatly reduces the risk of buckling, deflection and trapping narrow wheels | |
 |
All fully comply with BS EN 124:2015 and are Kitemarked by BSI | |
 |
Complies fully with UK Highways Authority specification HA 104/09 | |
 |
A unique and patented articulated coupling links two double triangular units allowing the benefits of three point suspension together with the advantages of single unit opening. | |
 |
Captive hinges reduce theft risk whilst allowing easy lifting for gully cleaning |  |
 |
Due to the unique design, hinging is reversible allowing the grating to hinge correctly for the traffic flow direction | |
 |
Up to 900cm² waterway area | |
 |
Three point suspension on covers for non-rock stability | |
 |
Manufactured from strong and highly durable ductile iron |
Sizes and availability
| Wrekin product code | Group | Clear opening size (mm) | Frame depth (mm) | Over frame size (mm) | Waterway area (cm²) |
|---|---|---|---|---|---|
| DGHT0D4/4337/KP | 3 | 430 x 370 | 100 | 520 x 520 | 900 |
| DGHT0D4/4337/KP4F* | 4 | 430 x 370 | 100 | 520 x 570 | 900 |
*Tapers at base to 450×390 clear opening
Available options:
Screw-locking to deter unauthorised access to the gully chamber (will require standard extended-shank socket set tooling to engage/disengage locking screw.
60+ PSRV anti-slip coating to top surface.
-
Download PDF data sheet
Tri-Way wheel-safe gully grates
1.68 MB | Version 108-1411C | PDF format
-
Installation guidance
New build installation of highway ironwork
430.10 KB | Version | PDF format
Installation of replacement highway ironwork
561.27 KB | Version | PDF format
