HDPE channel ECOPAL DOUBLE

wastewater treatment

Overall for the regions where grounds, sources & the environment has to be especially protected from eventual leakage of the sewage systems, Ecopal “double pipe system” represents a perfect solution to have a net with a double guaranteed tightness. Description The “double pipe system” is made by two Ecopal pipes, of two different diameters – one inside the other – and separated from polyethylene battens (HDPE). The centring of the internal pipe is assured by three battens welded on the external surface of a pipe (at 120° interval), which can remain perfectly in a central position into the external one. This solution avoids flexion of the bar, which can be easily connected to the next one during laying. Our “double Ecopal pipe system” is realized using corrugated Ecopal pipes in bars of 6 meters and a ringstiffness of SN8 kN/m2 . Connection between bars is allowed by normal couplings or by special couplings welded on the extremity of each pipe; the second solution has to be prepared in our workshop. A further guarantee for a perfect tightness is also assured by using two lip-seal on each extremity of each pipe. Laying procedure The laying procedure of our “double Ecopal pipe system” is similar to the one, which has to be followed by laying a simple Ecopal pipe of dimension equal to the external pipe of this system.