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BEIHAI YUEDA FRP PRODUCTS
The performance and applications of fiberglass reinforced plastic (FRP) pipes.
Release time:
2019/01/24
1. Excellent corrosion resistance: The structure of fiber-wound fiberglass pipes is divided into three parts: the inner lining layer, the structural layer, and the outer protective layer. Among them, the resin content of the inner lining layer is high, generally over 70%, with the resin content of the inner surface rich resin layer reaching about 95%. The resin used for the lining can be selected based on different corrosive environments, allowing fiberglass pipes to be widely used in acidic, alkaline, and other working environments, thus demonstrating their excellent corrosion resistance. 2. Superior hydraulic performance: The inner surface of the wound fiberglass pipe is smooth, with an absolute roughness of only 0.01mm, which is much smaller than that of steel pipes and cast iron pipes.
1. Good corrosion resistance: The fiber-wound fiberglass pipe structure is divided into three parts: the inner lining layer, the structural layer, and the outer protective layer. Among them, the resin content of the inner lining layer is high, generally over 70%, with the resin content of the inner surface rich resin layer reaching about 95%. The resin used for the lining can be selected according to different corrosive environments, allowing fiberglass pipes to be widely used in acidic, alkaline, and other working environments, thus demonstrating their excellent corrosion resistance.
2. Excellent hydraulic performance: The inner surface of the wound fiberglass pipe is smooth, with an absolute roughness of only 0.01 mm, which is much smaller than that of steel pipes and cast iron pipes.
3. Lightweight, easy to install and transport: Under the same internal pressure, the weight of fiberglass pipes of the same diameter and length is about 30% of that of steel pipes. Because of this, fiberglass pipes can be transported in a nested manner, saving fuel and other costs; during installation, medium and small diameter fiberglass pipes generally do not require heavy machinery, and some can even be moved manually, improving installation speed.
4. High specific strength and reasonable mechanical properties: The axial tensile strength of the wound fiberglass pipe is 160 to 320 MPa, close to that of steel pipes, with a higher specific strength, significantly reducing the self-weight of the pipes during structural design, making installation very easy.
5. Low thermal conductivity and small thermal stress
6. Few joints and diverse flexible connection methods: The single pipe length of the wound fiberglass pipe is 6 to 12 m, or even longer. When installing long-distance pipelines, fewer joints are required, which reduces construction costs and leakage. In addition, there are various joint methods for wound fiberglass pipes, allowing for flexible selection of joint methods during construction, which can improve project progress.
7. Good electrical insulation performance: Steel pipes and cast iron pipes are good conductors of electricity. However, fiberglass pipes are insulators with good insulation performance, making them safe for use in areas with dense telecommunication lines and high lightning activity.
8. No rust: The surfaces of steel pipes and cast iron pipes are prone to rust, which can contaminate the transported medium, often requiring special anti-rust and rust removal treatments. In contrast, fiber-wound fiberglass pipes are made from non-metallic materials, so their surfaces do not rust, require no treatment, and do not contaminate water quality.
9. Anti-pollution and anti-burrowing: The inner wall of fiberglass pipes is clean and smooth, making it difficult for various microorganisms in seawater or sewage to cause corrosion.
10. Strong designability: According to specific usage conditions, the specific performance and shape of the pipes can be designed to meet engineering needs and improve installation speed.
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