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HDPE Water Supply Pipes
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HDPE Water Supply Pipes

HDPE double-wall corrugated pipe , also known as high-density polyethylene double-wall corrugated pipe , is a pipe with corrugated structure processed by  extrusion molding with DPE as the main raw material and necessary additives. It is a new type of lightweight pipe that is environmentally friendly, safe and cost-effective , and it is a new type of material with annular corrugated structure outer wall and smooth inner wall . At present , in the urban drainage system , plastic pipes have gradually replaced traditional pipes such as concrete pipes and cast iron pipes to become the mainstream pipes . Among the plastic pipes , HDPE double-wall corrugated pipes are the main ones , which are widely used in municipal drainage projects.

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    product details

    ApplicationApplication

    HDPE Water Supply Pipes1
    01
    7 Jan 2019
    1. Municipal engineering , used for underground drainage pipes , sewage pipes , water pipes , ventilation pipes , etc .
    2. Electrical telecommunications engineering , as a care tube for power cables , optical cables , and communication signal cables .
    3. Industry, due to the excellent acid , alkali and corrosion resistance of polyethylene materials , structural wall pipes can be used for water supply and  drainage pipelines in chemical , pharmaceutical , environmental protection and other industries.
    4. Agriculture , garden engineering , used in farmland , orchards , tea gardens   and forest belt drainage and irrigation , can save 70% of water, save 13 .9 % of electricity, can also be used for rural irrigation .
    5. Road engineering , can be used as railways , highways , golf courses , football fields , etc . , infiltration , drainage pipe agriculture , garden engineering , for farmland , orchards , tea gardens and forest belt drainage and irrigation , can save 70% of water, save 13 .9 % of electricity, can also be used for rural irrigation .
    6. Mine site , used as ventilation , air supply pipe , drainage pipe for the mine .

    PROPERTIESPROPERTIES

    Characteristics Requirements
    Ring stiffness/(kN/ m ²) Sn4 SN6.3 Sn8 Sn10 SN12. 5 Sn16 ≥4 ≥6.3 ≥8 ≥10 ≥12. 5 ≥16
    Impact performance(TIR)/% ≤10
    Ring flexibility There is no cracking of the pipe, no disconnection between the two walls, and no reverse bending of the inner wall
    Oven test No de lamination, no cracking
    Density/(kg/m3) ≤1180
    Oxidation induction time(200℃)/min ≥20
    Creep ratio ≤4
    Flexural modulus > 1000MPa
    Tensile yield stress > 20MPa
    HDPE Water Supply Pipes0
    HDPE Water Supply Pipes6

    Product performanceperformance

    DN/ID Minimum average inner diameter Minimum laminate wall thickness Minimum inner layer wall thickness Minimum outer wall thickness Minimum joint length
    100 95 1 .0 0 .8 0 .7 32
    125 120 1 .2 1 .0 0 .8 38
    150 145 1 .3 1 .0 0 .8 43
    200 195 1 .5 1.1 0 .9 54
    225 220 1 .7 1 .4 0 .9 55
    250 245 1 .8 1 .5 1 .0 59
    300 294 2 .0 1 .7 1 .0 64
    400 392 2 .5 2 .3 1 .4 74
    500 490 3 .0 3 .0 1 .8 85
    600 588 3 .5 3 .5 2.1 96
    800 785 4 .5 4 .5 2 .7 118
    1000 985 5 .0 5 .0 3 .0 140
    1200 1185 5 .0 5 .0 3 .0 162

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