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Hinged Assisted KTVAA Ductile Access Hatch C250 class
Ductile Iron Access Hatches – 250 kN | EN 124-2 Certified
Our ductile iron manhole covers are equipped with solid top covers and designed to withstand loads up to 250 kN, fully compliant with the EN 124-2 standard. These access covers ensure durability, safety, and long-term performance in demanding environments.
The KTVAA range of locked, hinged and lift-assisted access covers is specifically engineered for installation in dry network chambers, including telecommunications and fibre optic infrastructures. 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.
Clear opening (mm) : K1T 750×750 ; K2T 750×1500 ; K3T 750×2250 ; K4T 750×3000
Clear opening (mm)
- K1T 750×750
- K2T 750×1500
- K3T 750×2250
- K4T 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
C250 : For gully tops installed in the area of kerbside channels of roads which when measured from the kerb edge, extend a maximum of 0,5m into the carriageway and a maximum of 0,2m into the footway.
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
Table and references
Code
Description
Clear opening without lid (mm)
Freeway (mm)
A (mm)
B (mm)
B' (mm)
C (mm)
H (mm)
H' (mm)
Weight (kg)
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