The Advantages And Disadvantages Of Fiberglass ...
The Advantages And Disadvantages Of Fiberglass Reinforced Plastic Pipe
Fiberglass reinforced plastic (FRP) is a composite material made of glass fiber and its products (glass cloth, tape, felt, yarn, etc.) reinforced with synthetic resin as matrix material. According to the different fibers can be divided into glass fiber reinforced composite plastics (GFRP), carbon fiber reinforced composite plastics (CFRP), boron fiber-reinforced composite plastics. FPR tubes are made by the process of constant length winding, centrifugal casting and continuous winding. fiberglass pipe is characterized in strong corrosion resistance, smooth surface, conveying low energy consumption, long service life (above 50 years), transportation convenient installation, low maintenance cost and low comprehensive cost, has been widely used in the oil, electric power, chemical industry, papermaking, urban water supply and drainage, sewage treatment and seawater desalination plant and gas conveying industries.
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Advantages of fiberglass reinforced plastic pipe
Good corrosion resistance. As the main raw materials of FRP are unsaturated polyester resin and glass fiber, which can effectively resist the corrosion of acid, alkali, salt and other media and the erosion of untreated sewage, corrosive soil, chemical wastewater and many chemical liquids, it has become the main material of Chlor-alkali industry.
Good aging resistance and heat resistance. Fiberglass tube can be used in the temperature range of -40&#; ~ 70&#; for a long time, and the reinforced resin can even reach more than 200&#;. The ultraviolet absorbent is added to the outer surface of the open-air pipeline to eliminate the ultraviolet radiation to the pipeline and delay the aging of the FRP pipeline. The excellent corrosion resistance of FRP means that this material has the property of being lively and non-polluting, which makes it a natural material for highly clean goods such as storing high purity water, medicine, wine, milk, etc.
Good anti-freezing performance. The freezing crack will not occur after freezing in the tube below minus 20&#;.
Lightweight and convenient transportation. Fiberglass reinforced plastic tube is not only lightweight, high strength, strong plasticity, easy to transport and installation, but also easy to install a variety of branch pipe.
Small flow resistance inside the tube. The smooth inner wall, strong conveying capacity, small water resistance, will not cause scale and rust.6. Good design ability. The glass steel tube can be designed and manufactured into different pressure classes and stiffness classes according to the user's specific requirements, such as flow rate, pressure, burial depth and load conditions.
7. Low maintenance cost. Due to its excellent corrosion resistance, abrasion resistance, frost resistance and pollution resistance, FRP tubes do not need rust prevention, pollution prevention, insulation, insulation and other measures and maintenance. The buried pipe does not need cathodic protection, which can save more than 70% of maintenance cost.
Good abrasion resistance. Put the water contains a lot of mud and sand into FPR pipe rotation wear effect comparison test, after 3 million times rotating tube wall wear depth is as follows: the tar and enamel coating of steel pipe is 0.53 mm, with epoxy resin and tar coating of steel pipe is 0.52 mm, the surface hardening treatment of FRP pipe is 0.21.
Good thermal insulation. Fiberglass reinforced plastic as a non-conductor, insulation resistance Ω. ~ cm, the heat transfer coefficient is 0.23, is five over one thousand of the steel, excellent piping insulation performance, the most adapted to use in power transmission, telecommunications line concentration areas and more minefield.
High conveying capacity. The smooth glass inner wall of the steel tube provides very little roughness and friction resistance. The roughness coefficient is 0., while the concrete pipe is 0.014 and the cast iron pipe is 0.013, so the glass pipe can significantly reduce the fluid pressure loss through, improving the conveying capacity: the optional small diameter FRP pipe reduces the one-time input cost and pumping cost. In addition, the FRP pipe can shorten the pumping time.
Advantages and Disadvantages of Fiberglass Piping Repairs
Fiberglass piping has become an increasingly popular choice for many piping systems due to its superior strength, durability, and its resistance to corrosion, chemicals and abrasion. As with any type of piping system, fiberglass piping repairs have both advantages and disadvantages. Understanding the pros and cons of fiberglass piping repair is important to ensure that the most cost-effective solution is chosen.
Advantages of Fiberglass Piping Repairs
One of the primary advantages of fiberglass piping repairs is its durability and strength. Fiberglass has a high tensile strength and is very resistant to corrosion and abrasion, making it an ideal choice for various applications. Additionally, fiberglass repairs are more accessible to perform than many other types of repairs and often can be done without replacing the entire piping system. Fiberglass also offers superior flexibility compared to other types of piping systems, allowing for easier installation and customization.
Disadvantages of Fiberglass Piping Repairs
While fiberglass piping repairs have many advantages, there are also some drawbacks to consider. One of the primary disadvantages is the potential for the fiberglass to become brittle over time, leading to cracking and other damage. Additionally, fiberglass repairs can be more costly than other types of repairs due to the specialized tools that may be required. Additionally, the repairs may need to be performed by a professional to ensure the highest quality of work.
Conclusion
Fiberglass piping repairs offer many advantages, including superior strength, durability, and resistance to corrosion and abrasion. Additionally, they are often easier to install and customize than other types of piping systems. However, there are also some drawbacks to consider, such as the potential for brittleness and higher costs. Understanding the pros and cons of fiberglass piping repairs is important for ensuring the best possible solution.
Request a free FRP piping inspection or quote for repair at www.plastechservices.com/quote or call us at 410-747-.
The disadvantages of FRP
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Types of Cable Trays - Purpose, Advantages, Disadvantages
Cable tray systems are alternatives to wire ways and electrical conduit, which completely enclose cables.
Cable trays are capable of supporting all types of wiring: such as
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- High Voltage Power Lines.
- Power Distribution Cables
- Control cables
- Telecommunication cables
- Fiber Optical Cables
Purpose:
Cable trays are components of support systems for power and communications cables and wires.
A cable tray system supports and protects both power and signal cables and facilitates upgrading, expanding, reconfiguring, or relocating networks.
Most of the cable tray systems are open, allowing efficient heat dissipation and easy access for replacement and repairs. Although typically suspended from ceilings or affixed to walls, some cable tray systems are suitable for underfloor use.
Types of Cable Trays:
The following are popular cable tray types.
- Ladder-type
- Perforated type
- Solid bottom type
- Wire mesh
- Channel type
An engineer or designer will usually specify the type of cable tray that has the features to suit the project. It depends on the situation and the environment.
Read: Instrumentation Cables
The selection of cable tray depends upon the number of cables, size, spacing, and weight of cable in the tray.
Ladder Cable Tray
Ladder Cable tray has two side rails connected by rungs. This type of cable tray is effective because the ladder rungs give you easy accessibility to the cables, from the top or bottom.
The rungs of the ladder cable trays provide convenient anchors for tying down the cables in the non-horizontal cable tray runs or where the positions of the cables must be maintained in the horizontal cable tray runs.
Perforated Cable Tray
Perforated cable tray Consists of a ventilated bottom with side rails. It provides more support to cables than the ladder-type,
Solid-bottom Cable Tray
Solid-bottom Cable trays for fiber-optic cable installations where drooping of cables may affect system performance, solid-bottom (non-ventilated) cable trays are preferred.
However, the main reason for selecting solid-bottom trays is a concern for electromagnetic/ radio-frequency interference protection.
Wire Mesh Cable Tray
Wire mesh cable tray, also called basket cable tray, is a kind of cable tray made of stainless steel wires by welding wires together, forming a basket-like mesh
Cable Trays are mainly used for low voltage, telecommunication, and fiber optic cables supported on short spans.
Channel Cable Tray
Channel cable tray nothing more than a metal tray that can be used for very small cable installations.&#;
Materials
1. Metallic
Aluminum: Resists corrosion; excellent strength-to-weight ratio. Aluminum is most commonly used because it is lightweight.
Steel: Electric shielding; low thermal expansion
Stainless steel: Superior corrosion resistance; withstands high temperatures.
2.Non-Metallic
Fiberglass: Nonconductive; resists corrosion; lightweight
Precautions:
The most important issue is to ensure that the bend radius for the fiber-optic or coaxial cable is maintained within the standards.
Combustible dust and clutter may accumulate if the trays are not routinely checked and kept clean.
Advantages:
Less expensive: One of the big advantages that using a cable tray has that it costs a lot less than other methods of protecting wiring on the production floor.
Maintenance: Cable are instantly visible for maintenance checks, changing of cables is easy because cables can enter or exit the tray at any point of the system.
Safety: Regular housekeeping is important for safety, as cable trays are often installed in hard to reach places.
Disadvantages:
The solid bottom cable tray system has a disadvantage. In that moisture can build up in the cable trays.
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