Single seal - fabricated steel covers
Our chequer plate access cover range is suitable for a faster moving (up to 20 mph) one of the most versatile products we manufacture. A large number of standard sizes, frame depths and options are available in single, double and multiple units. In addition non standard units can be manufactured on request.
Twin covers are supported by a removable support beam and wall pockets. All products in this range are constructed from heavy gauge rolled steel plate and section and galvanised to BS EN ISO 1461 after fabrication.
Single seal which is achieved by a simple labyrinth arrangement. The labyrinth can be filled with grease providing a low to moderate level of resistance to gaseous and/or liquid ingress and/or egress under normal atmospheric pressure. If a better resistance is required a double seal should be considered (click for double seal fabricated covers).