NAL Covers and Frames
NAL Ductile Iron Manhole Covers are manufactured from high quality 500/7 grade Ductile Iron and conform to EN124: 1994 with B125, C250, and D400 load classes available. The covers will fit directly on top of any access chamber, bedding onto a layer of mortar and finishing flush with the surrounding surface. They are available in lift-out, slide-out and hinged openings depending on the size and load class.
- 12.5T (B125), 25T (C250) and 40T (D400) loadings available
- B125 loading is available in slide out design for safe one person access
- D400 loading is available in hinged design for safe one person access
- BSI Kite Marked
- Bespoke badging available
- Produced from high quality 500/7 grade Ductile Iron