Sefac FM, 1 pc
Clear opening: 1800×1800 mm, outer frame dimensions: 1910×1910 mm, 4 covers in frame
Hot-dip galvanized
Load class B125

 

Durable Access Cover for Harsh Environments and Heavy Loads

Robust Solution for Infrastructure and Industry

SEFAC is a heavy-duty cover system with a frame made of hot-dip galvanized steel, designed for environments with high demands on strength, safety, and adaptability. The hatch is suitable for installation in shafts, escape routes, utility tunnels, shelters, equipment access points, and service corridors.

The product is manufactured in custom dimensions and can be adapted with a variety of surface finishes to blend seamlessly into its surroundings. It is also approved for smoke ventilation and can be supplied as a single cover, channel cover, or with removable beam support.

 

Materials and Construction

– Frame and cover available in hot-dip galvanized steel, stainless steel, or aluminium

– Covers can be filled with concrete for increased load distribution and stability

– Can be clad with floor coatings, ceramic tiles, asphalt, or other materials

 

Load Classes According to EN 124

– FL – A15 kN: Limited traffic load (pedestrian use)

– FM – B125 kN: Pedestrian and parking areas

– FH – C250 kN: Heavier traffic and industrial zones

 

Options and Functional Features

– Cutout for fire service key (SMS 1188 standard)

– Option for insulated cover in temperature-sensitive environments

– Compatible with anti-intrusion grating

– Available in recessed versions for hidden surface integration

 

Applications

– Infrastructure projects

– Utility tunnels and culverts

– Civil defense shelters and secure areas

– Public spaces and commercial buildings

– Industrial facilities with high load demands

 

Advantages of SEFAC

– Handles high loads from pedestrians to heavy vehicles

– Customizable for security, aesthetics, and functionality

– Can be integrated with existing surface materials for a discreet look

– Long service life thanks to corrosion-resistant construction

 

Other Ground Hatches in Our Range

– Gatic – Sealed cast iron hatch with gas and watertight properties for heavy traffic

– Cubic – Designed for cobblestone or natural stone surfacing

– Coex – Modular ground hatch with cast iron lid and steel frame for industrial use

– HIAC / SAC – Custom aluminium and steel hatches with optional finishes

– HSE75 – Indoor floor hatch with gas springs and fire rating

 

Installation and Recommendations

SEFAC should be installed according to project-specific requirements and by certified professionals. When installing, consider:

– Required load class and type of traffic

– Need for sealing, insulation, or intrusion protection

– Choice of surface finish surrounding the cover

– Any need for fire rating or evacuation functionality