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PE pipes have become a popular choice for various projects worldwide, thanks to their advantages since their introduction in the 1950s. These pipes are considered superior to other materials like steel and cement in specific applications. This guide will explain what PE pipes are and their uses in different industries.
PE pipe, or polyethylene pipe, is made from a thermoplastic material produced through the polymerization of ethylene. The manufacturing process involves extrusion, which makes it easy to create pipes of various sizes. PE pipes are known for their ability to withstand pressure, making them ideal for pressure-based applications. These pipes come in diameters ranging from as small as 0.5 inches to as large as 1200 mm, with larger sizes typically sold in straight lengths of up to 40 feet, and smaller sizes often sold in coils.
One of the standout features of PE pipe is its flexibility and lightweight properties. It's also durable, resistant to chemicals, and known for its toughness and long lifespan. The black polyethylene pipes, produced through single or double extrusion, are commonly used in water projects due to their strength and resistance to environmental elements. These pipes are also low in environmental impact as they don't react easily to chemicals and do not leach toxins into the soil.
PE pipes are commonly used in underground water supply systems and sewage networks because they are resistant to pressure. They are also used for irrigation systems, offering long-lasting benefits due to their durability. The pipes are available in different pressure classifications, known as PN grades, to meet specific application requirements. The pressure grade indicates how much internal pressure the pipe can handle when filled with water, with the standard unit being bars.
Pressure grades are typically given for water at 20 degrees Celsius, and as the temperature increases, so does the internal pressure exerted on the pipe. Therefore, the pipe's pressure capacity may differ when handling water at higher temperatures. The various pressure grades range from PN 2.5, which can handle up to 2.5 bars, to PN 16, which can handle up to 16 bars.
One of the primary uses of PE pipes is in potable water systems. Since PE pipes are chemically inert, they ensure that no toxins leach into the water, making them ideal for transporting drinking water. Additionally, PE pipes are widely used for transporting natural gas. Due to their durability, they are perfect for carrying gas underground without the risk of leakage.
PE pipes are also highly resistant to low temperatures, meaning they don't become brittle even in cold climates. This makes them an excellent choice for cold regions and for applications such as lawn sprinkler systems. PE pipes are also used for radiant floor heating and geothermal heat pump systems, as they can withstand extreme weather conditions and last for many years.
PE pipes offer significant cost savings during installation while providing reliability and durability for various applications. These pipes are resistant to pressure, chemicals, and temperature extremes, making them a versatile choice for water, gas, and heating systems. With options that cater to different pressure needs, PE pipes are a valuable addition to any project, from construction to irrigation.
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