Heavy-duty solutions compatible with EN124:2015 | ASTM | AS standards.
C/O = clear opening. Covers and frames are moulded in SMC composite; load classes per EN124:2015.
| Product Code | C/O (O) | Cover Size (D) | Frame Size (F) | Load Class | Weight |
|---|---|---|---|---|---|
| MR300A | Φ264 | Φ300x20 | Φ386x35 | A | 3.5 kg |
| MR500A | Φ450 | Φ500x30 | Φ595x50 | A | 12.0 kg |
| MR500B | Φ450 | Φ500x30 | Φ595x50 | B | 12.5 kg |
| MR500C | Φ450 | Φ500x50 | Φ595x70 | C | 22.5 kg |
| MR600A | Φ550 | Φ600x30 | Φ705x50 | A | 16.6 kg |
| MR600B | Φ550 | Φ600x30 | Φ705x50 | B | 19.9 kg |
| MR600C | Φ550 | Φ600x50 | Φ705x70 | C | 26.9 kg |
| MR600D | Φ550 | Φ600x50 | Φ705x70 | D | 32.5 kg |
| MR650D | Φ600 | Φ650x40 | Φ785x100 | D | 48.0 kg |
| MR700A | Φ650 | Φ700x30 | Φ795x50 | A | 18.5 kg |
| MR700B | Φ650 | Φ700x50 | Φ795x75 | B | 32.5 kg |
| MR700C | Φ650 | Φ700x50 | Φ795x75 | C | 38.5 kg |
| MR700D | Φ650 | Φ700x50 | Φ795x75 | D | 50.5 kg |
| MR900D | Φ790 | Φ900x70 | Φ1065x113 | D | 96.0 kg |
| MR690A | Φ600 | Φ690x50 | Φ805x100 | A | 30.8 kg |
| MR690C | Φ600 | Φ690x50 | Φ805x100 | C | 46.0 kg |
| MR690D | Φ600 | Φ690x50 | Φ805x100 | D | 53.0 kg |
| MR750C | Φ700 | Φ750x50 | Φ910x75 | C | 53.5 kg |
| MR750D | Φ700 | Φ750x50 | Φ910x100 | D | 66.0 kg |
| SR690A | Φ600 | Φ690x50 | 850x850x100 | A | 33.4 kg |
| SR690C | Φ600 | Φ690x50 | 850x850x100 | C | 50.3 kg |
| SR690D | Φ600 | Φ690x50 | 850x850x100 | D | 56.5 kg |
SR series: round cover in a square 850x850x100 frame.




Engineered to handle heavy loads and impact, maintaining structural integrity under high pressure for heavy vehicle traffic.
Highly resistant to corrosion, rust and chemical attack - ideal where covers face harsh weather, chemicals and salts.
Lighter than cast iron or concrete, which simplifies handling and installation and reduces injury risk on site.