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BEIHAI YUEDA FRP PRODUCTS
What are the advantages of fiberglass reinforced sand pipes?
Release time:
2022/06/06
Due to its outstanding corrosion resistance and excellent composite performance, fiberglass has become a dominant force in modern composite material technologies and is widely used. Research on fiberglass pipes in China began in the late 1960s, but it was not until after 1987 that it was widely applied. Currently, it has been promoted and applied in most regions of China, especially in economically developed areas. With the development of industry and technological advancement, fiberglass sand-coated pipes have been developed based on fiberglass pipes. As the name suggests, fiberglass sand-coated pipes are mainly composed of high tensile strength fiberglass, pressure-resistant and wear-resistant quartz sand, and resin.
Due to its outstanding corrosion resistance and excellent composite performance, fiberglass has become a major player in modern composite material technology and is widely used. Research on fiberglass pipes in China began in the late 1960s, but widespread application occurred after 1987. Currently, it has been promoted and applied in most regions of China, especially in economically developed areas. With the development of industry and technological progress, fiberglass pipes have evolved intofiberglass sand-coated pipes.As the name suggests,fiberglass sand-coated pipes.it is mainly composed of high tensile strength fiberglass, pressure-resistant and wear-resistant quartz sand, and resin.
fiberglass sand-coated pipes.Advantages of
(1) Strong corrosion resistance.fiberglass sand-coated pipes.It can resist corrosion from acids, alkalis, salts, seawater, untreated sewage, corrosive soils, and various chemical fluids. Generally, the lifespan of plastic pipes is 3 years, cast iron pipes is 5 to 10 years, and steel pipes only 15 years, while sand-coated fiberglass pipes can last up to 50 years.
(2) Good heat resistance, frost resistance, and algae resistance. The typical operating temperature for sand-coated fiberglass pipes is between 40-80°C. If special resins are used, the operating temperature can be even higher, and they will not deform in the hot summer or severe winter. Fiberglass sand-coated pipes have a long-lasting smooth inner surface that does not allow various microorganisms in the medium to attach and produce algae. Metal or cement pipes tend to develop algae over time, directly affecting their lifespan.
(3) Lightweight, high strength, and easy to transport and install. The specific gravity of sand-coated fiberglass pipes is 1.9-2.2g/cm³, with circumferential tensile strength reaching 320MPa and axial tensile strength reaching 230MPa. Compared to other pipes of the same pressure and diameter, the weight per unit length of sand-coated fiberglass pipes is about 30% of that of steel pipes and about 8% of reinforced concrete pipes, making transportation and installation very convenient. Each fiberglass sand-coated pipe can be made 12m long, reducing joints by two-thirds compared to concrete pipes. Equipped with ring and socket double-sealed joints, installation is quick and convenient, facilitating joint pressure testing. Additionally, it eliminates the need for welding, rust prevention, and corrosion treatment required for steel pipes.
(4) Safe and reliable design with wide adaptability. Generally, the design safety factor of the pipes is above 4, allowing the product to be used for a long time. It can also be designed and manufactured according to various specific user requirements, such as pipe diameter, flow rate and pressure, mechanical properties, corrosion resistance, heat resistance, frost resistance, and vacuum applications, providing flexibility and a wide range of applications.
(5) Good overall project benefits. Overall benefits refer to the comprehensive costs and long-term benefits formed by factors such as investment, construction, installation, maintenance, lifespan, and energy saving. Considering the various functions and long-term use of the pipes, the overall benefits of fiberglass pipes and sand-coated fiberglass pipes are quite good. Especially as the pipe size increases, the cost decreases, and buried pipes can be used for several generations without annual maintenance. This demonstrates the superiority of their overall benefits.fiberglass sand-coated pipes.In addition to the above advantages, they also have low friction resistance, good insulation, and excellent wear resistance.
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