SPECIAL FEATURES:
- Cover with cylindrical guide and machined conical seat on body to avoid sliding and noise under traffic stress.
- Adjustable to ground level by extensions rings.
- Non-slip exposed surfaces.
- Internal and external coating by waterborne anticorrosion primer, ecofriendly and extremely resistant to chemical aggressions.
- Wide range of writing on cover (customizable).
- Body, cover and rings in cast iron EN-GJL-250 / EN 1561, on demand ductile iron EN-GJL-400 / EN 1563.