Ductile Iron Square Cover D400 ▢380/314 for Telescopic Box
| PARAMETER | VALUE |
|---|---|
| Standard | EN124-2 : 2015 |
| EN 124 Class | D 400 |
| Maximum load | 40 tons |
| Material | spheroidal cast iron EN-GJS-500-7 |
| Frame diameter | 380 mm |
| Cover diameter | 314 mm |
| Locking system | 2 locks |
| Total weight | 80 kg |
| Shape | square |
| Available colours | black |
- Square cast iron cover, load class D400, for a PVC telescopic box with a diameter of 315 mm, is designed for access to inspection and sewer manholes located on pipelines running beneath roads, sidewalks, cycle paths and parking areas.
- The product provides reliable protection of the manhole and safe operation even under intensive mechanical loads.
- The cover is characterized by high strength, resistance to wear and mechanical damage, as well as resistance to adverse weather conditions and aggressive media, including petroleum products.
- The cover is compatible with a PVC telescopic box with a diameter of 315 mm, allowing for compensation of changes in road surface levels and precise adjustment of the manhole height.
Preparation of the installation area
- Before starting the installation, check the dimensions of the installation opening and prepare a stable and level base for installing the cover.
Installation of the telescopic box
- Position the telescopic box as required and adjust its height to match the level of the surrounding ground.
- Check its stability and ensure that it is installed vertically.
Installation of the cast iron cover
- Install the cast iron cover onto the telescopic part of the box.
- Check that the cover is properly seated around its entire circumference and is level.
Securing and levelling the cover
If necessary, level the cover so that it is aligned with the required height and the surrounding surface.
Backfilling and compacting the surrounding area
- Backfill the area around the telescopic box with suitable material and compact it gradually.
- Make sure that the box or cover does not move or become deformed during compaction.
Functionality check
After completing the installation, check that the cover is properly seated, stable, and can be opened and closed without any problems.
