Description

Polyethylene pipe:

Polyethylene pipe is a type of flexible plastic pipe used for fluid and gas transfer and is often used to replace ageing concrete or steel mains pipelines.

The toughness and chemical resistance of polyethylene, as well as the corrosion resistance and low weight have contributed to its growing use in situations where cost-effective and durable piping systems are required.

Advantages of polyethylene pipe:

• High flexibility (This flexibility is critical in applications such as submarine pipe lines, mine subsidence and earthquake prone areas.)
• Easy connection
• Chemical resistance
• High flow capacity(polyethylene pipes have lower friction factors than most non-plastics materials, such as fiber reinforced cement.)
• Easy and fast installation (polyethylene pipes are easy to install due to their light weight and long lengths.)
• High Impact and abrasion resistance
• Easy shipping due to its light weight
• They can be connected via different methods.
• Long life(Polyethylene pipes have a proven high reliability record across a wide range of industries and applications, now in excess of 50 years.)
• Weathering resistance (polyethylene  pipes are stabilized against ultra violet (UV)
  light degradation by the inclusion of carbon black in the raw material. Black polyethylene pipes are, therefore, suitable for installations where the pipes are exposed to direct sunlight.

polyethylene pipes are made of high density polyethylene (HDPE). It is produced in two grades of PE80 and PE100.

Application of polyethylene pipe:

Long life time and high reliability of these pipes results in their application in water, gas and sewage transfer projects as following:

• Rural and urban water supply networks
• Rural and urban sewage networks
• Gas supply networks
• Industrial fluid and wastewater systems
• Rain drip irrigation systems
• Telecommunication and optical fiber cable covering
• Drainage networks.

These damages might occur in the systems that use metal pipes:

Corrosion

Decay

Sedimentation

Reduction of water pressure

Clogged pipes

Hygiene reduction of drinking water in domestic use

On the contrary, piping systems using polyethylene pipe, have low risk of rust or corrosion. They are also resistant to biological growth.

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