When it comes to industrial piping systems, selecting the right components is crucial for ensuring optimal performance, durability, and safety. Among these components, fiberglass flanges play a vital role in connecting pipes, valves, and other equipment. As a trusted Fiberglass Flange supplier, I understand the importance of making the correct choice for specific applications.
If you want to learn more, please visit our website.
Why Choosing the Right Fiberglass Flange is Critical
Choosing the right fiberglass flange is more than just a checklist item; it's a critical decision to ensure the long-term safe, efficient, and economical operation of your piping system. An incorrectly selected flange can lead to leaks, system failures, costly downtime, and even safety incidents. Unlike metal flanges, selecting a fiberglass flange requires a deeper understanding of the composite's properties.
This guide will serve as your ultimate resource, guiding you step-by-step through how to make the most informed and reliable fiberglass flange selection decision for your specific application, avoiding common pitfalls and maximizing project value.
Understanding Fiberglass Flanges
Fiberglass flanges, also known as FRP (Fiber-Reinforced Plastic) flanges, are made from a combination of fiberglass and resin. They offer several advantages over traditional metal flanges, including corrosion resistance, lightweight, high strength, and low maintenance. These properties make them suitable for a wide range of applications in industries such as chemical processing, water treatment, oil and gas, and food and beverage.
Factors to Consider When Choosing a Fiberglass Flange
1. Application Requirements
The first step in choosing the right fiberglass flange is to understand the specific requirements of your application. Consider the following factors:
Fluid Type: Different fluids have different chemical properties, which can affect the compatibility of the flange material. For example, if you are dealing with corrosive chemicals, you need a flange that is resistant to chemical attack. Our Fiberglass Flanges are designed to withstand a wide range of chemicals, ensuring long-term performance and reliability. Learn more about our Fiberglass Flanges
Temperature and Pressure: The operating temperature and pressure of your system will determine the strength and durability requirements of the flange. Make sure to choose a flange that can handle the maximum temperature and pressure conditions of your application. Our flanges are engineered to provide excellent mechanical properties and can withstand high temperatures and pressures.
Pipe Size and Connection Type: The size and connection type of the pipes in your system will determine the size and type of flange you need. Ensure that the flange is compatible with the pipe size and connection method to ensure a proper fit and leak-free connection.
2. Flange Material
The material of the fiberglass flange is a critical factor in its performance and durability. There are different types of resins and reinforcements used in the manufacturing of fiberglass flanges, each with its own unique properties. Some common resin types include polyester, vinyl ester, and epoxy.
Polyester Resin: Polyester resin is a cost-effective option that offers good chemical resistance and mechanical properties. It is suitable for general-purpose applications where the chemical environment is not too severe.
Vinyl Ester Resin: Vinyl ester resin provides excellent chemical resistance, especially against acids, alkalis, and solvents. It is commonly used in applications where high corrosion resistance is required, such as chemical processing plants.
Epoxy Resin: Epoxy resin offers superior mechanical strength and adhesion properties. It is often used in applications where high strength and durability are essential, such as in the oil and gas industry.
As a Fiberglass Flange supplier, we offer a wide range of flange materials to meet the diverse needs of our customers. Our technical experts can help you choose the right material based on your specific application requirements.
3. Flange Design
The design of the fiberglass flange also plays an important role in its performance. There are different types of flange designs available, including raised face, flat face, and ring type joint.
Raised Face Flange: A raised face flange has a raised surface around the bolt holes, which provides a better sealing surface. It is commonly used in applications where a tight seal is required, such as in high-pressure systems.
Flat Face Flange: A flat face flange has a flat surface, which is suitable for applications where the pressure is relatively low. It is often used in non-critical applications or in systems where the mating surface is also flat.
Ring Type Joint Flange: A ring type joint flange uses a metal ring gasket to provide a seal. It is commonly used in high-pressure and high-temperature applications, such as in the oil and gas industry.
Choose a flange design that is appropriate for your application requirements and the type of gasket you will be using. Our Fiberglass Flanges are available in a variety of designs to meet your specific needs.
4. Gasket Selection
The gasket is an important component of the flange connection, as it provides a seal between the two flanges. The type of gasket you choose will depend on the fluid type, temperature, pressure, and flange design. Some common gasket materials include rubber, graphite, and PTFE.
Rubber Gasket: Rubber gaskets are flexible and provide a good seal. They are suitable for applications where the temperature and pressure are relatively low.
Graphite Gasket: Graphite gaskets offer excellent chemical resistance and high-temperature performance. They are commonly used in applications where the fluid is corrosive or the temperature is high.
PTFE Gasket: PTFE gaskets are known for their excellent chemical resistance and non-stick properties. They are suitable for applications where the fluid is aggressive or where a clean and non-contaminating seal is required.
Make sure to choose a gasket that is compatible with the flange material and the fluid in your system. Our technical experts can provide guidance on the selection of the right gasket for your application.
5. Quality and Certification
When choosing a fiberglass flange, it is important to ensure that it meets the required quality standards and certifications. Look for flanges that are manufactured in accordance with international standards, such as ASTM, ASME, or ISO. These standards ensure that the flanges are of high quality and meet the necessary performance requirements.
As a Fiberglass Flange supplier, we are committed to providing our customers with high-quality products. Our flanges are manufactured using state-of-the-art equipment and processes, and they are thoroughly tested to ensure compliance with the relevant standards. We also offer certification documents to prove the quality and performance of our products.
How to choose the most suitable FRP flange for yourself?
Step 1: Analyze Media Compatibility-This is the Cornerstone of Selection.
This is the most important step. Fiberglass flanges' corrosion resistance is their greatest strength, but different resin systems offer varying chemical resistance.
Epoxy resins: Offer excellent mechanical strength and corrosion resistance, making them particularly suitable for a wide range of acidic, alkaline, and solvent environments. They are a versatile choice for many industrial applications, such as chemical and water treatment.
Vinyl ester resins: Offer excellent resistance to strong acids, alkaline, and oxidizing media, making them a preferred choice for harsh environments such as flue gas desulfurization and the transfer of highly corrosive chemicals.
Polyester resins: Offer good acid resistance (especially inorganic acids) and are cost-effective, making them commonly used in moderately corrosive environments such as wastewater treatment and seawater cooling.
Step 2: Determine Pressure and Temperature Ratings-Ensure Structural Integrity
Every application has unique operating conditions. You must select flanges that can withstand these conditions.
Pressure Rating: Refer to pressure ratings specified in standards such as ASME B16.5 or ISO (e.g., Class 150, 300). Ensure the pressure rating of the selected flange is higher than the system's maximum working pressure, and consider transient pressures such as water hammer.
Temperature Effects: High temperatures can significantly reduce the mechanical strength of fiberglass reinforced plastics. Ensure the flange's heat deflection temperature is higher than the system's maximum operating temperature. Also, consider differential thermal expansion due to thermal cycling.
Step 3: Select Flange Type and Face Profile-Achieving a Perfect Seal
Different connection requirements require different flange types.
Flange Types:
Slip-on Flanges: Offer low cost, ease of installation and alignment, and are particularly suitable for pipes that require frequent disassembly or plastic-lined piping systems.
Blind Flanges: Used to seal the ends of pipes.
Weld-on Flanges: Provide the strongest connection and are suitable for high pressure, high temperature, or severe vibration applications.
Sealing Face Types:
Smooth Face: Used with non-metallic gaskets (such as rubber) for low-pressure applications.
Raised Face: The most common choice, it can be used with various metallic or non-metallic spiral wound gaskets to create a reliable seal under high pressure.
Step 4: Consider the External Environment and Installation Factors
The application environment is equally important.
UV Exposure: For outdoor applications, ensure the flange resin system contains a UV inhibitor or choose a UV-resistant resin (such as some polyester resins) to prevent degradation.
Fire Risk: In areas where fire is a concern, specify a resin system with flame-retardant properties.
Installation Conditions: If the installation space is tight or quick installation is required, a slip-on flange may be a better choice. Ensure that accessory materials such as bolts and gaskets are also compatible with the media.
Step 5: Balance Performance with Budget-Making a Smart Investment
While initial cost is important, total cost of ownership is crucial.
Initial Cost vs. Lifetime Cost: A more expensive vinyl ester flange in a corrosive environment may last several times longer than a cheaper polyester flange, avoiding costly premature replacement and downtime.
Quality and Certification: Choose a manufacturer that complies with international standards (such as ISO, AWWA) to ensure product traceability. The potential risks of inferior flanges far outweigh the cost savings.
Related Products
In addition to Fiberglass Flanges, we also offer a range of other FRP pipe fittings, including GRP Elbows and GRP Spools. These products are designed to work together to provide a complete piping solution for your industrial applications.
Conclusion
Choosing the right fiberglass flange for a specific application requires careful consideration of several factors, including application requirements, flange material, design, gasket selection, and quality. As a Fiberglass Flange supplier, we have the expertise and experience to help you make the right choice. Our high-quality products, combined with our technical support and customer service, ensure that you get the best solution for your needs.
If you are looking for a reliable Fiberglass Flange supplier, please do not hesitate to contact us. Our team of experts will be happy to discuss your requirements and provide you with a customized solution. We look forward to working with you to meet your industrial piping needs.
GRP Pipes – Do You Know Everything About Them?
Selling GRP pipes is a lot like dating. What most companies do is the following. They go out into the marketplace, push offers to prospects and ask complete strangers to marry them!
If you think about it in this way, it becomes quite difficult to convince technical offices to change the tenders, or investors to choose your GRP pipes. You need to have a clear approach and build the trust in the product, but …
How can you do this properly with GRP pipes?
This article will provide you with information on GRP pipes. You probably already know some of the details, but the rest will be new to you. Read the article carefully and think about it from the perspective of the end-users. This way you can understand their concerns and fears, making it easier for you to hit the target.
There are several reasons why GRP pipes solutions have been replacing conventional pipes in many countries. This relatively new product should be kept in mind when evaluating a new pipe project or planning on revamping one.
In parallel, engineers involved in specifying GRP pipes should have a clear understanding of pipe’s nature and properties.
Main advantages of the GRP pipes
You probably already know the main advantages of the GRP pipes, but let’s just quickly mention them anyway:
Compared to the cast iron and carbon steel pipes, GRP pipes have an elevated corrosion resistance, because of the inert nature of the materials they are composed of. It is not unusual to design a GRP pipe for a working life of 50-60 years. Nowadays, some producers are even estimating a lifetime of over 100 years. GRP pipes can be designed to resist corrosion on the inside and outside. In fact, with the aid of an internal-external barrier, and the use of the correct resin barriers, the pipe can
withstand varied corrosion environments.
Another major benefit is lightweight construction. Typically, a GRP pipe’s weight is 35% of a comparable carbon steel pipe’s weight, and 10% of a comparable concrete pipe’s weight. This means the costs of handling, shipping, long-haul transport and site installation are significantly lower.
Ordinary GRP pipes do not conduct electricity and consequently have much better electrical properties than their steel counterparts. However, if electrical conductivity is required, it is possible to add conductive reinforced fiber or fillers during the fabrication process.
Due to their composite structure, the GRP pipes can be designed to exactly match the project requirements, leading to cost savings;
An additional advantage of GRP pipes is the pressure absorption. They are designed to absorb 40% of the surge pressure, without the need to increase the pressure class.
GRP pipes also possess a natural damping property. The fatigue endurance and strength to weight ratio are the key attributes associated with the replacement cost and the ability to design lightweight pipes.
Thanks to their smooth inner surface, there is minimum friction loss. They keep this characteristic throughout their entire service life;
Last but not least feature of the GRP pipes is low maintenance. This comes from the fact that they do not undergo the corrosive attack that the metallic counterparts have.
They have many advantages, right?
The Decision Makers must also consider the particular characteristics of the GRP pipes.
In spite of these advantages, the decision makers must also consider the particular characteristics of the GRP pipes, which means:
to calculate the total investment costs correctly, the investor must also consider the installation, erection and maintenance costs,. This way, he will be able to compare these with other materials. If only the initial cost is evaluated, the project’s figures will not be realistic;
the market of composites is, compared to many traditional materials, not as big, so you can’t consider GRP a commodity. It is a customized product, which must be prepared individually for every single project. Thus the delivery times may be longer than of the traditional materials;
the design of the GRP pipes, as I mentioned before, is performance-based. In other words, the investor must take care when identifying the project requirements and true operating conditions. Only then can he share the information with the pipe supplier;
the composite pipe manufacture should require that the investor adheres to specific instructions in order to ensure the long-term performance of the pipeline.
It is also very important that the Engineers understand the limitations of the GRP pipes, which depend on the technology used to manufacture them. During recent years I have noticed, that some projects have been influenced by strong marketing and miraculous promises from some pipe manufactures. This has led to the incorrect use of the product.
For example, the performance of a Continuous Filament Winding pipe is very high on certain applications and lower on other applications. The same is true of the Discontinuous Filament Wound pipe or the Centrifugally Cast GRP pipe.
Which pipe is the right one for your application and needs?
Well, as I mentioned before, it depends on your specific project, from the design to the installation method.
As indicated in one of my previous articles, we can generally say that the marine, industrial and oil & gas markets demand small quantities of pipe of medium to high pressures. They should also have particular technical characteristics. So generally, the pipes need to be produced with the discontinuous filament winding system. This concept is also applicable to the civil infrastructure market but is related to very small quantities and medium to high pressures.
If extensive lengths of pipelines are needed for the civil infrastructure projects (over km), a CFW production line is recommended. Also because the cost of a produced pipe is 15-30% lower compared to the pipes produced with a discontinuous or centrifugally cast line.
If small quantities and low pressures are needed by a particular market (for example sewer pipes for small works), a centrifugally cast line can be chosen. Even though this system does not offer the flexibility of a continuous or discontinuous system.
I hope everything is clear so far?
Raw Materials and their properties in GRP Pipes
Let’s talk some more about the Raw Materials because you need to understand their properties if you would like to understand the GRP pipes better.
The resins used in the filament winding process are mostly polyester, vinyl ester and epoxy resins. What is resin’s role in a pipe? It serves as the glue that binds the fibers in the pipe together after the curing (when the resin sets). The pipe liner resin also provides the most definitive corrosion resistance to the transported fluids. Its chemical and physical properties play a key role in the pipe design.
Firstly, let’s look at the polyester resins used in the manufacturing of the composite materials. They are classified as orthophthalic, isophthalic or terephthalic resins. The orthophthalic resins are general-purpose resins, for water conveyance and sewerage applications. They are used for manufacturing laminates, which are not subjected to strong chemical attacks or weathering. From a thermal point of view, these resins are employed at ambient or medium-to-low temperatures. It has to be mentioned, that the orthophthalic resins should not be used for constructing the internal liner of a fiberglass pipe. Isophthalic resins have their most suitable end-use in the manufacture of pipes conveying waste liquids, drinking water and seawater, above or below ground. In fact, they are more resistant to corrosive substances present in the ground, to most salts, and to mildly oxidizing acids at medium concentrations. This type of resin is always used for the internal liner of the pipe.
Secondly, we have vinylester resins. They combine a greater resistance to chemicals with a high mechanical strength, which is true at high temperatures as well. Of course, they are more expensive than polyester resins.
Last ones are epoxy resins, which are normally used for smaller diameters and for higher pressures, compared to other resins.
Two decisive factors for obtaining an excellent final result
Besides the quality of the resin, two decisive factors for obtaining an excellent final result are the types of glass employed. Its use in the most appropriate manner for fully exploiting its structural properties.
Glass fibers are obtained with the silica glass-based melting mixtures of inorganic materials, at temperatures varying between °C and °C. Under these conditions, the cross-linked structure of the silica is destroyed. Its continuity is interrupted and its structure is modified by the introduction of other oxides.
The form of the fiber reinforcements varies considerably, depending on the pipe manufacturing process and the design load requirements. The major examples include directional fibers (roving), chopped fibers and fabric reinforcement forms (mat, woven roving, etc.).
The actual fiber content in a composite depends on the end use design. The fiber orientation, the layup sequence of the laminate, and the number of reinforcements determine the actual pipe stiffness, strength, and mechanical properties.
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Different types of glass compositions
The reinforcements used in the manufacturing of the industrial products, such as vessels, silos and pipes, are made from three different types of glass compositions:
– “C” glass, which displays very good properties of chemical inertness to corrosive environment;
– “E” glass, which is not so resistant to corrosion, but displays a very high mechanical strength;
– “ECR” glass, which is similar to E-glass but without boron and fluorine. Due to the absence of these components, the chemical resistance (including water-resistance, acid-resistance and alkali-resistance) is greatly improved. When compared to the E-glass fibers, the ECR-glass shows higher temperature resistance, better dielectric strength, lower electrical leakage, and higher surface resistance.
In many cases, design and manufacturing of the GRP pipes incorporate additional components. Many of these, including catalyst and hardeners, are the processing aids for the resins. They are necessary for the completion of the chemical process and curing of the laminate. The filler may be used to enhance the appearance, economy or performance of the pipe. Another role of the fillers is to increase the stiffness of the pipe structure.
Get the most out of your raw materials
If your intention is to maximize your return on investment in the composites market, utilizing a filament winding technology, it is important for you to know that you will need to get the maximum capacities out of your raw materials. Unfortunately, less than half of the existing manufacturing plants are optimizing their design in such a way, that they are using the same pipe design regardless of the type of materials involved in the production.
This happens because many investors who, in good faith, followed the incorrect advice offered by the technology and machine suppliers, now realize, that they are the ones who have to face the wrath of the competitive market.
We have spent more than 16 years traveling, installing CFW plants (more than 35) and helping companies to penetrate the market with the GRP pipes. We have developed and successfully applied our EFFECTIVE FILAMENT WINDING method, which is the first-ever to guarantee profit-making.
What is our secret?
Our secrets are in-depth knowledge on the Filament Winding Process, hard work, and taking effective steps with the use of an analytical method. If you have a project and you are looking for a company that can guarantee the reliability of the pipeline that your end customer deserves, without unpleasant surprises occurring during the installation even if the project is located in remote or complicated locations, thus ensuring you get maximum profits, then you seriously need to consider contacting me and my team.
You might also want to read about how you can be confident about your GRP project.
What is a disadvantage of glass reinforced plastic? – BioSidmartin
What is a disadvantage of glass reinforced plastic?
One disadvantage of FRP materials is their relatively high cost compared to wood or unpainted low-carbon steel. Other disadvantages include: The need for different saw blades and drill bits than those used with wood or steel.
What are the advantages of Fibreglass?
These advantages include:
Cost effective – especially for complex shapes.
Corrosion resistant.
Good structural strength.
Superior strength-to-weight ratio.
High heat distortion temperature.
Electrically non-conductive.
Ability to be molded to precise tolerances.
Are glass reinforced plastic?
Glass reinforced plastic (shortened as GRP) is made of synthetic resin as main basic material and glass fiber or other product as reinforced material, processed into a solid material by molding and setting. Synthetic resin adopted to produce GRP includes unsaturated polyester resin, phenolic resin and epoxide resin.
What are the advantages and disadvantages of fiberglass?
Fibreglass last a long time, it can be coloured, shiny or dull. It is low maintenance, anti-magnetic, fire resistant, good electrical insulator and weatherproof. The disadvantages is that it needs to be re-gel coated about every five years and can result in airborne fibres which may be an issue to asthma sufferers.
What is the primary disadvantage of glass fiber?
Disadvantage of glass fibers are warpage, low weld, and knit line strength, higher viscosity of melt, and low surface quality and increase in damage to machine and tool due to abrasion.
Is glass reinforced plastic expensive?
Often materials used in or for construction can be expensive. But, with GRP, you get great value for money. Not only is GRP affordable, but it also requires next to no maintenance or upkeep, so this saves on additional costs.
What are the disadvantages of Fibreglass?
Disadvantages
Inhaled slivers of fiberglass irritate the alveoli and can cause lung disease.
There is some data which suggests fiberglass in the lungs may cause cancer, by slicing DNA and causing cell mutation, in the same way as mineral wool.
What are the disadvantages of fiberglass windows?
Disadvantages of Fiberglass Windows
Fiberglass windows cost more than vinyl windows. On average, you do pay more for the strength and durability of fiberglass.
You have fewer color options than with wood windows. Pella fiberglass windows should not be painted.
Is carbon fiber stronger than fiberglass?
Fiberglass is similar to carbon fiber, but the thin glass filaments are larger than carbon and not quite as strong. Pultruded fiberglass rods and tubes have glass fibers oriented linearly and are incredibly strong. The choice of whether to use carbon or fiberglass in your application depends on many factors.
What is difference between GRP and FRP?
A: FRP stands for fiber-reinforced plastics, it’s a term typically used stateside here in North America. GRP is a term that means the same thing. But it’s generally used over in Europe and Asia and stands for glass-reinforced plastic.
What is the primary disadvantage of aramid fibers?
On the other side, aramid has a few disadvantages. The fibers absorb moisture, so aramid composites are more sensitive to the environment than glass or graphite composites. For this reason, it must be combined with moisture resistant materials like epoxy systems. Compressive properties are relatively poor too.
Is glass fiber harmful?
No long-term health effects should occur from touching fiberglass. Eyes may become red and irritated after exposure to fiberglass. Soreness in the nose and throat can result when fibers are inhaled. Asthma and bronchitis can be aggravated by exposure to fiberglass.
What can glass reinforced plastic be used for?
Glass Reinforced Plastic (GRP) is an extremely useful material within a number of different and varied industries. Ranging from hotels to construction, marine docks to education, GRP is very versatile and can be easily fitted to any location within any industry.
What are the advantages of fiberglass reinforced plastic pipe?
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.
What are the advantages and disadvantages of FRP?
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℃.
Why is GRP a better material than steel?
Pound for pound GRP can be stronger than steel. Due to being so light, this makes it easy to transport and install, requiring less man power than if steel was used instead. GRP has virtually no maintenance, or maintenance cost, involved. It is a hardy material which can withstand conditions outside with very little wear and tear.
Introduction to FRP Piping
The complete form of FRP is fiberglass reinforced plastic, which is a composite material composed of a fiber-reinforced polymer matrix. Therefore, FRP pipes are made of FRP materials through contact molding or fiber winding. Various types of resins, such as thermosetting polyester, epoxy, phenolic resin, etc., are used to obtain the final product with specific FRP pipe properties. As a corrosion-resistant metal pipe substitute, FRP piping system has been widely used worldwide. By choosing FRP as the pipe material, the need for lining, external coating and cathodic protection can be easily eliminated.
Application of fiberglass reinforced plastic pipe
Due to the high durability, corrosion resistance and medium strength of FRP pipes, its use is increasing day by day. FRP piping systems are used in different industries, such as:
ㆍDrinking water and seawater desalination industry
ㆍChemical, petrochemical, oil and gas industries.
ㆍPipes and exhaust pipes
ㆍIrrigation and sanitation services
ㆍWater distribution and delivery
ㆍMud pipeline
ㆍPower plants, etc.
Performance of FRP pipe
The main performance of FRP pipe is to make it an ideal choice for various industries in the world.
ㆍExcellent corrosion resistance
ㆍExcellent strength-to-weight ratio. It is worth noting that the strength-to-weight ratio of FRP pipes is higher than that of steel or other metal pipes.
ㆍLight weight, easy to handle and transport.
ㆍDimensional stability
ㆍDegradable
ㆍLow friction coefficient (>25% better than steel), ensuring good flow characteristics.
ㆍGood abrasion resistance
ㆍSuitable for ground and underground pipelines
ㆍResistance to biological attacks such as bacteria
ㆍNon-conductive
ㆍLow maintenance cost
FRP pipe connection
Since the length of the FRP pipe is restricted by transportation and handling, it needs to be connected. At the same time, various FRP pipe fittings need to be connected as required. The connection system of the FRP pipe shall ensure that no leakage occurs under the predetermined use conditions under the working pressure.
FRP pipe fittings
Various FRP pipe fittings are available to meet the needs of pipeline layout. Common glass steel pipe parts are:
ㆍLong radius, short radius FRP elbow
ㆍTee connection (equal tee and reducing tee)
ㆍFRP pipe flange
ㆍSteel back flange
ㆍFlange elbow
ㆍSmooth reducing elbow
ㆍSpecial bending radius
ㆍHorizontal connection
ㆍCross connect
ㆍWye Connection
ㆍReducer (eccentric and concentric)
ㆍFlange reducing agent
FRP pipe specifications
When ordering FRP pipes, the following information must be provided to the supplier:
ㆍPipe diameter
ㆍThe design and working temperature of the applied fluid.
ㆍDesign, operation, surge, vacuum, test pressure.
ㆍLive load of buried pipelines.
ㆍMaximum/minimum buried depth and trench width.
ㆍDetails of soil properties and trench preparation.
Disadvantages of FRP pipes
The main disadvantage of FRP piping system is:
ㆍIt is not recommended to use FRP pipes to transport fluids whose temperature exceeds 100°C
ㆍThe use of pigments, dyes, UV stabilizers, fillers, etc. in the resin system can reduce the slight degradation of the resin by ultraviolet light.
For more information, please visit grp flange.
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