Fabricated steel-concrete access cover type range 'AN'

This cover type is manufactured as per customer's requirements, in test load classes A 15 - F 900. The frame is made of mild steel or stainless steel, the covers come as single or multi-leaf units, made of welded steel with concrete filling. Significant feature of this cover type: its high weight, requiring hoisting gear for removal and replacement. Integration of a revision opening is possible. This very robust cover type is well suited for shafts seldom opened.

Access covers of the AN-range can be manufactured to your individual requirements, with following design options:

• Surface-watertight
• Backflow-proof
• With revision cover
• Cover recessed for filling up to nominal height "K"
• Chambered key holes
• Clamping ring for connection of building paper
• Thermal insulation
• Fire resistance - upon request
• Round cover as per customer's requirements
• Static computation possible for special applications, e.g. fo rharbours, airports and comparable areas