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HDPE Spiral Pipe for Non Pressure application
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HDPE Spiral Pipe for Non Pressure application

Eagle Co. is professional manufacturer to produce large diameter HDPE spiral pipe extrusion machine. We are successful to supply all of the world with spiral HDPE spiral pipe extrusion machine from DN300mm to DN5000mm and have more than 10 years’ experience.

We focus on developing and manufacturing the technology and equipment to produce HDPE spiral profile pipe, HDPE spiral tank, fittings, manhole, etc. Our product include Krah Pipe, HDPE sprial profile pipe machine, HDPE spiral tank winding machine, mandrel (production tool), single wall corrugated pipe machine, manhole boring machine, HDPE tank welding machine, etc.
Size:
Availability:
Quantity:
  • DN3000
  • EAGLE
  • 8477
  • 10
  • DN4500

   Advantage of HDPE spiral pipes

  1. Gravity and Pressure Pipes

    The HDPE spiral pipe extrusion machine can produce HDPE spiral Gravity pipe system and also Pressure pipes with the same technology and same extrusion unit.

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  2. Wide product range of HDPE spiral pipes,  

    Beside the HDPE spiral pipes with diameter DN300 – DN4000mm, the product range include all kinds of fittings, tank, etc.

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  3. Tailor made pipes and fittings from HDPE spiral pipes

    Tailor made pipes and fitting for all different requirements and applications of individual projects can be manufactured.

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  4. Customized made ring stiffness

    The ring stiffness of HDPE spiral wound pipes is determined at ISO9969 and calculated according to the formula:

                                            

         S=EI/D3

    S = Ring stiffness

    E = Elastic modulus [N/mm2]

    I = Moment of inertia [mm4/mm]

    D = internal radius up to Neutral phase


  5. Lifelong service of HDPE spiral wound pipes

    Life expectancy of HDPE spiral pipes is conservatively estimated to be at least 100 years , using the standard design basis, compared to conventional pipe materials that often only have a life expectancy of about 10 – 20 years.

    Due to the special jointing method of HDPE spiral pipes with Electro-Fusion welding or extrusion welding, also the joints have a lifetime of 100 years.


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  6. Lower pipe weight of HDPE spiral pipe

    The weight of HDPE spiral wound pipes is one of the major advantages compared to conventional pipe materials, being determined with 0,955 kg/dm3 for gravity pipes. This extremely low weight therefore allows a much easier and quicker installation of the pipes. Most of the handling can be done by a usual excavator on site.

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  7. Homogenous pipeline

    All HDPE spiral wound pipes and fittings are made of the same material and joined to one homogenous piece. Not even the connections between the pieces pose a weak spot of the piping as they are joined by the electro-fusion method and therefore becoming a 100 % permanent tight joint.


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  8. Flexibility of HDPE spiral pipes

    HDPE spiral pipe is flexible that the deformations of the more than 30% can occur in particle with our signs of structural failure.


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  9. Earthquake resistance of HDPE spiral wound pipes

    Even in areas, which are highly affected by earthquakes, HDPE spiral pipes are hardly damaged in comparison to pipes made of other materials. The flexibility of the PE-material allows a deformation without breaks or leakage.


  10. Minimum wall thickness of HDPE spiral pipes

    In comparison to most of the other pipe materials. it is possible to produce comparatively low-weight pipes with the HDPE spiral pipes system, which at the same time satisfies all today’s requirements on sewage piping. But the pipe shall not only have the right stiffness, needed for bearing the load of the soil and the traffic while installed. Pipes also suffer of multiple strains during transport, storage, installation operation and cleaning.

    For the evaluation of the minimum waterway wall thickness different approaches were considered, taking into account all affecting factors, such as internal and external pressure, mechanical abrasion and penetration from the outside. Summing up all these impacts the minimum wall thickness of the waterway of HDPE spiral pipes can be calculated.

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  11. Support from the soil’s carrying capacity  

    Rigid pipes have to bear the full carrying capacity of the earth loads. In case of HDPE spiral pipes, all loads are carried by the cooperation of the flexible pipe and the compressed soil. By lowering the pipe crown, the load concentration above the pipe decreases. As a result of this “wanted” deformation, the spring line will be moved outwards. An additional bedding pressure sets itself, supporting the pipe laterally. The loads are balanced around the pipe by the deformation. For that reason, HDPE spiral pipes can also be used for big loads, without losing the advantages of its light weight features. Since the pipelines are profiled on the outside, these profiles can fix the pipes in the soil. There will be no or very few axial extensions in the pipeline.

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  12. Inspection friendly of HDPE spiral wound pipes

    The bright colored inner surface is produced by co-extrusion. This bright color of the inner surface ensure the inspection of the pipeline.

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  13. Long laying length of HDPE spiral wound pipes

    HDPE spiral wound pipes have an installation length of 6 meters or 9 meters plus the socket. Some other pipes out of conventional materials have shorter dimensions and therefore need more connections, the installation of HDPE spiral wound pipes being less time.

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  14. Abrasion behavior of HDPE spiral pipes

    HDPE spiral pipes are among the most abrasion proof pipes. The Darmstadt testing diagram  clearly shows that HDPE spiral wound pipes made out of PE are in comparison with the other materials by far amongst the most abrasion resistant ones.


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  15. Roughness of HDPE spiral pipes

    From a superior point of view the operational roughness value in ATV worksheet A 110 for all pipe materials, including plastic pipes, the losses resulting of wall roughness are determined uniformly with k = 0,1 mm.  The absolute roughness of plastic is between 0,0015 [mm] and 0,1 [m]2

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  16. Hydraulics of HDPE spiral pipes

    The advantageous hydraulic properties of HDPE spiral pipes are considerably and effectively supported by the laying length and associated low quantity of pipe joints as well as well-formed fittings, which are therefore flow-beneficial.


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  17. Chemical corrosion resistance of HDPE spiral wound pipe

    HDPE spiral wound pipes are highly resistant to aggressive chemical environments. Further it is externally resistant to aggressive soil (PH value 1.0 - 5.0). HDPE spiral wound pipes are resistant externally and internally to aggressive chemicals.


  18. UV-resistance of HDPE spiral wound pipes

    Commonly most natural materials and other plastics are degraded by weathering effects, particularly by the combined impact of shortwave ultraviolet radiation in sunlight and atmospheric oxygen.

    Black HDPE spiral pipes are permanently resistant to atmospheric corrosion and UV radiation. Thus the pipes can be used and stored outside without the pipe material being damaged.


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  19. Resistance to microorganisms, rodents and termites

    The smooth round surface of plastic pipes does not give the teeth of rodent’s sufficient hold to cause damage. Moreover, even in termite-affected countries no damage to pipelines made of polyethylene by termites has ever been occurred. Polyethylene and polypropylene are not nutrient media for bacteria, fungi and spores, so that the material is resistant to all forms of microbial attack as well as both sulphurous acid and sulphates.

    Assessments under food legislation HDPE spiral pipes are suitable for the transportation of mineral water. They have no tainting effect


  20. Jointing of HDPE spiral pipes

    HDPE spiral pipes suit any kind of pipe connections, due to the properties of HDPE. All HDPE spiral pipes and fittings can be delivered with different joint systems, mainly determined on the basis of the application. The pipe ends are equipped accordingly and integrated directly in the pipe. The most recommend joint is electrical fusion welding and rubber ring. Also such as flange connection and hand extrusion welding connection is used accordingly.

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