Enlarge image
Hinged Assisted KFVAA Ductile Access Hatch F900 class Extra Heavy Duty
Extra Heavy Duty Ductile Iron Access Hatches – 900 kN | EN 124-2 Certified
Our ductile iron manhole covers are equipped with extra heavy duty solid top covers and designed to withstand loads up to 900 kN, fully compliant with the EN 124-2 standard. These access covers ensure durability, safety, and long-term performance in demanding environments.
The KFVAA range of locked, hinged and lift-assisted access covers is specifically engineered for areas imposing particularly high wheel loads, e.g. aircraft pavements. These access hatches are also suitable for a wide variety of underground structures, offering reliable and secure access solutions.
Each access hatch is supplied as standard with a ¼ turn locking device, ensuring easy operation, enhanced security, and efficient maintenance access.
Triangular covers and non-rock design by means of three-point suspension provide high stability under heavy traffic flow conditions.
Clear opening (mm) : K1F 750×750 ; K2F 750×1500 ; K3F 750×2250 ; K4F 750×3000
Clear opening (mm)
- K1F 750×750
- K2F 750×1500
- K3F 750×2250
- K4F 750×3000
Main features
¼ turn locking device with stainless steel H22 hex. head (other heads upon request).
Hardware and fasteners made of stainless steel.
Gas strut assist lift.
Safety blocking device to prevent accidental cover closure.
Certification
Complies with the requirements of EN-124-2 standard. Third-party certified with TÜV SÜD Industrie Service GmbH mark.
Place of use
F900 : Areas imposing particularly high wheel loads, e.g. aircraft pavements.
Material
Hatch Cover(s) – Spheroidal (ductile) cast iron EN-GJS-500-7.
Finished by water based black paint, environmentally friendly.
Hatch Frame – Steel hot-dip galvanized,
average thickness 90µm according to ISO 1461.
Drawings and dimensions
