Access covers

Polysitec® can bring you several solutions for Watertight manhole covers with gasket and screws and anti-odour covers with siphonic closing and without screws. Use: for access and inspection of boxes, underground junction chambers, purification treatment plants, etc. Traffic: pedestrian, A15 – B125 – C250 – D400 – E600 and reinforced for heavy traffic F900. Dimensions: square, rectangular, circular, multi-cover, modular, customised to measure. Format: non-slip, smooth, fillable, concreteable, for flooring or paving with different filling heights. Options: hinged, assisted opening and closing with gas pistons or Inox springs, with drains, customized logo, type of seal, etc. Materials: of Galvanised steel and GV hot-dip, Stainless Steel AISI 304 or AISI 316, Aluminium, Composite Polyurethane with fibreglass reinforcement (PU with FV) and Ductile cast iron. Certifications: material, tightness, load resistance, hygienic certification, sketches, etc. Origin: manufactured in Europe.

A subsequent hot-dip galvanisation at 450ºC provides a greater layer of zinc than electro-galvanisation and 3mm steel sheet must be used. It does not rust and is more durable than covers made from folded, welded galvanised sheet metal and painted with Zinc Spray.