HDPE double wall corrugated pipe

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HDPE double wall corrugated pipe
Posting date : Aug 01, 2012
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39-
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HDPE double wall corrugated pipe High Density Polyethylene (HDPE) Double Wall Corrugated Sewer and Drainage Pipes are for gravity and low pressure sewerage and drainage such as waste water, sanitary sewer and storm sewerage for municipal or industrial use. The pipes provide important benefits and distinct advantages for sewer and drainage applications. Advantages: >Length can be customized according to site requirement means lesser number of joints between sumps >Lightweight can manually lifted for unloading, handling and installation >Strong and flexible, capable of taking standard traffic loading at low cover >Economical and cost effective >Superior hydraulics >Abrasion and chemical resistance >Simple base and embedment >Efficient, Durable, economical >Easy installation and joints Application: >Sewer and drainage > Frontage drains for terrace and other residential units in housing schemes > Perimeter drains for commercial, industrial units and individual factories > As collector drains in subsoil system in road, highway, open field, stadium, retaining wall or parking space > As collector drains in subsoil system, sewerage treatment plant sludge drying bed under drains Item Index Ring stiffness SN4 (KN/m2) ≥4 Ring Stiffness SN8 (KN/m2) ≥8 Impact Strength (%) ≤10 Ring Suppleness The sample is smooth without any recurvation or wall loose Oven Experiment no delamination and no crack Creep Rate ≤4 Comparison Item PE Double Wall Corrugated Pipe Concrete pipe PVC Double Wall Corrugated pipe Feature Flexible pipe Rigid pipe Flexible pipe Corrosion resistance Can not be eroded in sea water and acid or alkaline soil, no galvanic corrosion. Easy to be eroded and leaking Can not be eroded in sea water and acid or alkaline soil, no galvanic corrosion. Structural feature Slight deformation by load, but no impact of product structure. May have the risk of break, poor outside force resistance. Slight deformation by load, but no impact of product structure. Connection method and seal feature Connected with flexible sealing ring, good connection and no leakage Bad connection, easy leakage and cause pollution to ground. Good connection and no leakage Construction performance Save machinery costs, easy to connect, construction quality can be guaranteed if in winter. Difficult for connection, transportation and installation, high cost of material and labor. Construction limited to season and temperature, light weight, easy installation. Usage and maintenance Service life 50 years, high operating safety, easy maintenance. Service life 20 years, low operating safety, difficult maintenance and expensive cost. Service life 50 years, good operating safety, difficult to change pipes.

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