Access door for the field of potable water supply, especially in areas where flooding is likely.
Exterior door, flood-proof up to a water gauge of 2 m, opening to the outside (pressure side), ready for installation, double skinned, completely made from 1.4307 (AISI 304 L) stainless steel.
Door, 2 mm thick plate on the pressureless side, 4 mm thick plate on the pressure side. Door thickness: 58 mm, with injected CFCs-free polyurethane hard foam insulation. With circumferential square rubber seal.
Fastened to the frame with stable maintenance-free hinges. Locking levers operable from both sides.
Frame, made of circumferential angle section, provided for bolted fixing on the pressure side, with associated fixing material and rubber seal between the frame and wall.
The wall must have a plane surface in the installation area, tolerance: ± 1 mm per metre, minimum required concrete strength class is C20/25; maximum permissible concrete strength class C50/60.
Door and frame shielded arc-welded and acid bath cleaned before washing, drying and surface passivation.