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PO Pipe Extrusion Lines

Bausano produces plastic extruders for the extrusion of HDPE, LDPE and PP pipes. HDPE LDPE and PP are part of the Polyolefin (PO) family that includes PE, HDPE, LDPE, PP and PEX. Polyolefin pipes can be used for many sectors and application. The Polyolefin (PP, HDPE and LDPE) pipe market is growing fast, and it is forecasted to grow even more in the next years. For example, PE and PP pipelines are replacing metallic systems owing to their superior resistance to corrosion, abrasion and chemical attack.  Bausano found the right way to treat this type of plastic with its custom E-GO single screw extruders that utilize the newest technology possible. PO pipes applications with Bausano Extrusion lines are many from the infrastructure sector to drainage pipes.  Polypropylene and polyethylene are the most commonly used polyolefins.

PO Plastic Polymers Classification

Polyolefin is a family of plastic materials including

  • Polyethylene (PE) with subgroups
  • ​Low-density polyethylene (LDPE)
  • High-density polyethylene (HDPE)
  • Crosslinked polyethylene (PEX)
  • Polyethylene of Raised Temperature resistance (PE-RT)
  • Polypropylene (PP)

PO pipe extruders

The E-GO single-screw extruder makes it possible to produce PO pipes intended for a wide range of applications in a variety of sectors: from construction to infrastructures, for laying water and power mains as well as gas pipelines, agriculture, medical systems and including the mining, petrochemical and automotive sectors.

Infrastructure sector - water and gas distribution pipes

PO pipes (PP, HDPE and LDPE pipes), up to 2600 mm in diameter, are widely used in the mains infrastructure of integrated water cycles: from uptake with withdrawal of the resource from the water catchment areas to water treatment plants up to storage in water tanks and supply to users. They are increasingly widespread in the natural gas supply chain as well, in diameters up to 250 mm, for distribution and supply to the end consumers’ domestic mains.

Residential building sector - home installations pipes

The features of PP, HDPE and LDPE pipes comply with the requirements for the following types of applications: High resistance to internal pressure and heat for pipes intended for heating and hot water. Maximum gas tightness for pipes of heating systems to prevent the corrosion of metal components caused by oxygen penetration and diffusion.
In this connection, the materials PE-X, PE-RT, PP-R, PB and C-PVC, in addition to guaranteeing conformity to the requirements for plastic pipes, are the most suitable for these applications in the multi-layer version with oxygen barrier consisting of an aluminum or EVOH layer.
PO pipes are also suitable for applications that include residential installation.

Cable ducts

The segment relating to cable protection in electrical installations as well as in telecommunications sees plastic ducts increasingly taking center stage, owing to their mechanical properties in terms on crushing and impact resistance. The former feature is the most important one, as the underground cable line is subject to the static load above compounded by the stresses caused by the soil covering it. The latter feature concerns accidental impacts with stones in the ground, being dropped against the surface of the item while it is being laid underground. We are able to meet the needs of manufacturers of different types of cable lines: smooth, corrugated, multiple ducting systems as well as mini ducts for fiber optic cables, an application that is going through rapid growth.

Sewer Pipes

Favoured overcast iron or vitrified clay, polyolefin pipes assure high resistance to abrasion, corrosion, thermal oxidation, chemical agents and impacts. They feature dimensional stability, related to the degree of soil compaction, assuring a low degree of deformation and high elasticity, which means the duct is not liable to collapsing, permanently warping or cracking, resulting in a service life that may reach up to 100 years. In particular, the latest generation polypropylene (PP-HM) shows an even higher resistance than traditional polypropylene as well as other plastic materials normally used in ducting. Its excellent inertia to medium-high temperatures (up to 60°C and for a limited time even to 90°-110°C) makes it especially suitable for drainpipes, civil as well as industrial.

Pipes for mining industry - oil and gas

The activities for extraction of materials from mines and drilling for Oil & Gas extraction require pipes and fittings capable of withstanding heavy duty conditions and extreme stress. In the past, steel pipes were used as conveyance systems in mines, despite certain limitations, such as the noise level generated by sewage conveyance and contamination caused by the inevitable abrasion of steel. Therefore, large diameter, thick pipes are favoured nowadays, manufactured in PE 100, whose polymer chains have properties and features specifically designed to manage and limit the effects of scratches, cuts and concentrated loads.

Drainage Pipes

PO pipes meet the strict regulations concerning underground drainage in the civil and agricultural sector –where infiltrations may cause severe damage – to collect and promote removal of excess water. In addition to road infrastructures, typical polypropylene applications are the drainpipes for railway tracks, airports and tunnels, heavily exposed to high static and dynamic loads. Polypropylene (PP) is preferred for bicycle and pedestrian lanes. Finally, polyolefins (PO) are the most efficient solution also to correct and regulate the quantity of water in agricultural land, averting the danger of crop flooding and asphyxiation of the root system.

Geothermic Pipes

Ground source heat pumps are the most efficient source of heating and cooling energy for any type of building. The most common plastic piping materials used for geothermal systems is PE. Geothermal heat pumps can have efficiencies (COP) greater than 450% when operating in heating mode. Strong and tough material, suitable for applications up to 180°F (82°C) and beyond.

District heating pipes

Resistant to chemicals and salts, physical impacts and corrosion, the most suitable pipes for district heating must also assure high plastic flow properties and low heat dispersion. In this sector, PEX-A crosslinked Polyethylene stands out. A form of cross-linked polyethylene, produced by peroxide cross-linking, it makes it possible to produce high quality pipes with excellent performance. The extrusion process requires the polymer to be kept at high temperatures and pressures for a long time, so that it can be used in applications where the thermal resistance requirements are very stringent, as is the case with district heating, geothermal plants and the healthcare and industrial sector.

Depending on the project, material and customer needs Bausano is ready to offer you an efficient and excellent Extruder for PO pipes.


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