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Paladeri
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Paladex Tubes

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Obsolete and inadequate sewer pipes for the growing development of the urban population, increasingly intense atmospheric rainfall, frequent hydrogeological disruptions require the study of innovative solutions for the disposal of greater quantities of rainwater and sewage, through the installation of pipes capable of providing adequate responses to all internal and external stresses to which the drainage system is subjected. The innovative idea behind this production consists in combining the typical characteristics of polyethylene - resistance to abrasion, lightness, minimum roughness coefficient, inertia to chemical substances, versatility and ease of installation - with the characteristics of steel, which presents an elastic modulus 200 times higher than polyethylene.
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The PALADEX Â® tube is made through a continuous helical winding process of polyethylene and steel, suitably shaped with an omega profile. The combination of the two materials together with the choice of the omega profile gives the PALADEX Â® pipe characteristics and performance that are clearly superior to structured pipes in thermoplastic material and other pipes on the market with the same intended uses (fibreglass, concrete, cast iron, stoneware, etc.).

The presence of steel makes it possible to create pipes with crushing resistance values (up to 20 kN/m²) never achieved by large thermoplastic material pipes, to reduce the external diameter of the pipe and therefore the quantity of raw material used, with obvious benefits in terms of lower environmental impact and ease of installation, to guarantee better behavior of the pipe in the long term, with particular reference to deformation under constant load, with creep ratio values significantly lower than pipes made exclusively in polyethylene.

Furthermore, the particular and innovative structure gives the PALADEX Â® tube , with the same annular rigidity, a lower weight than tubes with the same intended uses on the market.

The average weight of a  PALADEX Â® DN/DI 1200 SN8 spiral pipe, in fact, is equal to 70 kg/m, that of a classic polyethylene spiral pipe is equal to 120 kg/m and that of a reinforced concrete pipe is greater than 1900 kg/m.


The lightness of the PALADEX Â® tube does not affect the annular rigidity and guarantees significant savings relating to the cost of transport (with the possibility of producing bars up to 13.40 m), handling and installation which favor significant savings in the construction of infrastructures.

Composite Spiral Hose In Polyethylene And Galvanized Steel

Paladex Â® technology is created through a continuous helical winding process of polyethylene and galvanized steel shaped with an omega profile with the innovative Biadhesive Bonding Process (BBP) adhesion system for fixing the elements.

The section of the pipe is made up of an internal layer of polyethylene, an external wall structured in polyethylene and a core of galvanized steel covered with a polyethylene-based primer which guarantees perfect homogeneity and adhesion of the constituents.

Paladex Â® technology represents the evolution of the production technique of galvanized steel reinforced polyethylene spiral pipes originally developed in Japan in the nineties and widely used today.

This progress allows the creation of large pipes and tanks characterized by extremely high mechanical resistance and low weight. The combination of the two materials together with the choice of the omega profile gives PALADEX Â® pipes characteristics and performance that are clearly superior to structured pipes in thermoplastic material, fibreglass, concrete, cast iron and other traditional alternatives.

Added to the intrinsic cost-effectiveness of PALADEX Â® technology pipes are the significant savings inherent in the cost of transport, handling and installation which favor significant savings in the construction of infrastructures.

Paladex Â® technology , created by an ISO 9001:2015 certified company , obtained the mark of conformity to the Italian UNI 11434 regulation in June 2012 .