05. PP pipes

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Characteristics of the trench for buried plastic pipes

Realization of the trench It will be excavated up to the line of the soil provided that the soil is uniform; if the rigid elements are not covered such as stones, rocks, old bricks, etc., it will be necessary to excavate below the soil to perform the following filling. […]

The need for systems of integrated plastic pipes

The transformation of the plastic materials by extrusion (pipes) or by injection (fittings) allow us working with very tight manufacturing tolerances that make it easy the tightness of the different elements of plastic material which are part of a water network (sewer, supply, etc.). Such small tolerances can’t be got with other kinds of materials, for example of cast concrete. […]

Relation of post published until December 30, 2014

Relation of post published in Blogplastics from March 13, 2013 (130313) until December 30, 2014 (141230) by order of publication year / month / day. […]

Refurbishment of irrigation channels with plastic pipes

The American crab builds its shelters in the ditches of soil, producing its damage. We can also find concrete ditches in bad state and in many other cases, the proliferation of algae which obstructs the conductions by reducing the flow and the functionality of the outlets. […]

PE and PP Batteries and collectors for the centralization of water meters

Historically the batteries of water meter were made of galvanised iron, being of limited duration with the pass of the time especially to the oxidation and corrosion. From the end of the last century it is being installed batteries fabricated with PE or PPR pipes and fittings and configured the through Socket Welding. […]

More about the characteristics of the trenches for buried plastic pipes

I believe that it is very interesting what was commented by JUAN ANTONIO PEÑA MARRUFO, Design Engineer, within the group of LinkedIn AIDT (Spanish Association of Engineers and Designers of Pipes) so here I reproduce the text, extended with some image that I have looked for this occasion. The comment is related to the published posts about trenches and their supports and that you can see in: […]

Socket Welding, also called Fusion Joining or Polifusion

Introduction This kind of process is used to join a pipe with a fitting from 20to 110 mm of diameter. It is performed by heating the external surface of the pipe and the internal surface of the fitting up to achieving the fusion of the material, and then it is inserted one in another while the material is still hot. The pipes and welding fittings can be of PE, PP, PB or PVDF but both of the same material. […]

AseTUB Card. The Quality Mark of the Installer of plastic pipes

The most important factor The most important factor in an installation of plastic pipes is the QUALITY OF THE INSTALLATION, that is, the result of having performed according to the normative and procedures of good practice applicable in each case, for this it is essential to know them through a specific training. There is no point in having a good pipe if we install it incorrectly. […]

Example of hydraulic calculation in sewerage pipes. Plastic vs Concrete

Here below we will show a quantitative example of the transporting capacity of a Concrete pipe of DN 400 (internal diameter) and a structured pipe for the sewerage Polypropylene (PP) pipe of corrugated of double layer of DN 400 (external diameter). […]

2) Hydraulic dimension of the sewerage network

Slopes The slopes will be adapted, as far as possible, to the topography of the area. Normally it is taken the general rule that the slope must not exceed 4 m/km (4 o/oo), but sometimes it results very difficult to keep it. It is frequently used drop shafts or rapids to reduce the slope, but when it is not possible, it is necessary to provide abrasion resistant materials. […]