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BEIHAI YUEDA FRP PRODUCTS
Advantages and disadvantages of fiberglass reinforced sand pipes.
Release time:
2023/01/11
Advantages and Disadvantages of Glass Fiber Reinforced Sand Pipes Glass fiber reinforced sand pipes are made of resin as the base material, glass fiber as the reinforcing material, and quartz sand as the filling material. Due to their excellent corrosion resistance, hydraulic performance, lightweight, large flow capacity, fast installation speed, and short construction period, they have several advantages.
Advantages and disadvantages of fiberglass reinforced sand pipes
Fiberglass reinforced sand pipes are made of resin as the base material, fiberglass as the reinforcing material, and quartz sand as the filling material. Due to their excellent corrosion resistance, hydraulic performance, lightweight, large flow capacity, fast installation speed, and short construction period, they have become a good choice for chemical, drainage, and pipeline engineering. This product is made of highly corrosion-resistant resin, has excellent mechanical properties and processing characteristics, and can withstand corrosion from most acids, alkalis, salts, untreated sewage, corrosive soils or groundwater, and many chemicals.At -30℃, it still has good toughness and high strength, and can be used for a long time in the range of -50℃ to 80℃. Resins with special formulations can also be used at 110℃.
The wear resistance of fiberglass pipes is very good. Tests have shown that when water containing a large amount of mud and sand is put into the pipes, a comparative test of rotational wear effects is conducted.After 300,000 revolutions, the wear depth of the inner wall of the tested pipes is as follows: steel pipes coated with tar and porcelain oil are 0.53mm; surface-hardened steel pipes are 0.48mm; fiberglass pipes are 0.21mm, indicating that fiberglass pipes have very strong wear resistance. The specific gravity of sand-containing fiberglass pipes produced by fiber winding is 1.65-2.0, only 1/4 of that of steel. However, the circumferential tensile strength of fiberglass reinforced plastic pipes is 180-300MPa, and the axial tensile strength is 60-150MPa, similar to alloy steel. Therefore, its specific strength (strength/specific gravity) is 2-3 times that of alloy steel, allowing it to be designed to meet various internal and external pressure requirements according to different user needs. For the same pipe diameter, the weight of FRPM pipes is only 1/2.5 of carbon steel pipes (steel plate coils), 1/3.5 of cast iron pipes, and about 1/8 of prestressed reinforced concrete pipes, making transportation and installation very convenient.
Features of fiberglass reinforced sand pipes:
High strength: Strong ability to resist external loads, fiberglass reinforced sand pipes can be directly buried under roadways.
Corrosion resistance: Customized fiberglass reinforced sand pipes can resist corrosion from various chemical fluids such as acids, alkalis, salts, untreated sewage, corrosive soils, and groundwater, with a longer service life than traditional pipes.
Good flame retardancy, heat resistance, and frost resistance: Can be used at-40℃ to 80℃.
Good designability and wide application range: By changing material selection, winding angles, and the number of layers in the design, different pressure levels and special performance FRP pipes can be manufactured to meet the requirements of different working pressures, media, depths, etc.Anti-pollution, smooth inner wall does not scale, does not breed algae and other microorganisms, and will not cause secondary pollution to water quality. Pipes made of resin can be used for transporting drinking water.
Few joints, good sealing performance: A single GRP pipe is generally 12 meters long and connected by double "O" rings. Each joint can be pressure tested and reliably sealed.
Fiberglass reinforced sand pipes are lightweight, easy to transport and unload, have high installation efficiency, and low cost.The main forming process of fiberglass reinforced sand pipes: Under computer control, the inner lining is made on the core mold according to the specified program (the same production process as the inner lining of fiber-wound fiberglass pipes). After gelation, the structural layer is wound according to the design line shape and thickness, and a mixture of quartz sand and resin is wound into the structural layer.
玻璃钢夹砂管重量轻，运输、装卸方便，安装效率高，成本低。
玻璃钢夹砂管的主要成型工艺：在计算机的控制下，按照规定的程序在芯模上制作内衬（与纤维缠绕玻璃钢管内衬的生产工艺相同）。凝胶后，按照设计线型和厚度缠绕结构层，并将混合石英砂和树脂的砂浆缠绕在结构层中。
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