English 
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 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 316L, Aluminium, Composite Polyurethane with fibreglass reinforcement (PU with FV) and Ductile cast iron. Certifications: material, tightness, load resistance, hygienic certification, sketches, D400 fillable covers, etc. Origin: manufactured in Europe.
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- Hot dip GV steel
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- Hot dip GV steel
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- Hot dip GV steel
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- Anti-odours covers
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- Anti-odours cover 1m²
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- Cover Fillable Inox 316
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- Cover Fillable D400
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- Hatches Inox
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- Antislip Cover Inox
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- Cover Inox fillable
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- AL Cover – non watertight
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- AL Cover – Watertight
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- AL Drains – Pedrestian
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- Al Drains – Siphonic
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- AL Drains – Painted
– A subsequent hot-dip galvanisation at 450ºC provides a greater layer of zinc than electro-galvanisation. It does not rust and is more durable than covers made from folded, welded galvanised sheet metal and painted with Zinc Spray.