After years of serving corrosion-related industries, Fibrex noticed there seemed to be no easy approach to selecting and designing fiberglass reinforced plastic (FRP) pipe (also known as GRP pipes). Most plants have worked with fabricators and engineers to custom design all fiberglass pipe (FRP) equipment. Yet there is considerable cost and effort to custom design fiberglass pipe or a fiberglass pipe system and it is not always necessary. Fibrex has found there are many applications where a standard FRP pipe product will meet all of the requirements. That&#;s why Fibrex has developed a standard pipe product line called IntegraLine.
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IntegraLine is a standard production fiberglass pipe with custom corrosion resistance. Simple to specify and select, this fiberglass pipe is ideal for new system installation or replacement of existing pipe. IntegraLine pipe will meet many of the applications and life-span requirements at your plant or facility.
For special design requirements, Fibrex also offers custom fiberglass pipe solutions. Custom fiberglass pipe solutions may require thicker corrosion or abrasion barriers with different resins. Also, heavier structural laminates and special glass reinforcements are available to meet installation and temperature requirements. Fibrex can provide design recommendations for a proposed installation.
And because Fibrex understands the industries we serve, Fibrex products are designed to meet the most demanding and specialized conditions at each site. In standard pipe, custom pipe, special header systems, duct or stacks, Fibrex delivers long-term corrosion solutions and absolute maximum product life. We call this &#;performance-based manufacturing.&#;
IntegraLine fiberglass pipe ( fiberglass reinforced plastic pip &#; FRP) is designed to be &#;user friendly.&#; The resin, glass reinforcement
materials and composite construction were selected to provide consistent corrosion resistance for the majority
of chemical applications for which FRP pipe is considered appropriate. There remain certain extreme chemical services
for which special construction and alternative resins should be considered. Fibrex can advise if this is required for
your application.
IntegraLine pipe utilizes a heavily resinated exterior coat containing an ultraviolet stabilizer to impart long term
resistance to the effects of sunlight and other weathering elements. Should pipe become weathered after many years in
particularly severe environments, the exterior can be sanded and resin coated or painted.
Pigmented exterior gel coats are not used on IntegraLine pipe in order to take advantage of the natural translucency
of FRP. Visual inspection of the pipe, both new and after years of service, is more reliable with a &#;natural&#; laminate.
Additionally, the liquid contents can often be observed in the pipeline&#; sometimes a process control advantage.
When special color coding is required, however, this can be provided at a nominal added cost and slightly longer
delivery time.
The high tensile elongation properties of the vinyl ester resins utilized in IntegraLine pipe impart a superior
toughness to the pipe enabling it to resist cracking and crazing of the resin when subjected to heavy design loads.
In addition to high fatigue resistance, this toughness also provides a safety factor against impact damage during
shipping and installation.
IntegraLine pipe is manufactured with a premium vinyl ester resin as the standard production resin. Other vinyl ester resins specified by the customer are available, however delivery lead times will generally be longer. Epoxy vinyl ester resins are
premium corrosion resistant resins. At both room and elevated temperatures, these resins offer resistance to a broad range of acids, alkalis, bleaches and solvents making them the appropriate choice of resins in many chemical processing industry applications. These
resins, when properly formulated and cured, comply with FDA regulation 21 CFR 177. covering materials intended
for repeated use in contact with food. Specific chemical resistance information can be found in the Chemical Resistance
and Engineering Guides, available from FIBREX or directly from the resin manufacturers.
A &#;C&#; glass (chemical grade) veil is provided on all surfaces exposed to corrosive media. Fiberglass used in
all subsequent layers of the laminate has excellent electrical resistivity, high tensile strength, moderate thermal
conductivity and is noncombustible. The basic types of fiberglass materials used; mat, woven roving and continuous
strand, are selected for their physical properties, manufacturing characteristics and the chemical resistance of the
laminate resulting from their use.
The corrosion barrier of IntegraLine pipe is nominally 100 mils thick and is comprised of 70% to 80% resin. This
highly resinated laminate is reinforced by one layer of &#;C&#; glass veil followed by two layers of randomly oriented fiber
strand mat.
Straight Pipe
IntegraLine pipe is manufactured by the filament winding process utilizing continuous fiberglass strand wound in a
helical pattern at a nominal 55 degree wind angle to produce an optimum combination of hoop and axial properties
for most typical applications. The high glass content resulting from the filament winding process imparts excellent
strength characteristics to the laminate providing superior protective structural backup to the resin rich corrosion barrier.
Fittings
IntegraLine pipe fittings are manufactured utilizing a highly efficient contact-molded laminate consisting of
alternating layers of glass fiber strand mat and bi-directional woven glass roving. The high glass content resulting
from the specific laminating process used for IntegraLine pipe fittings permits the wall thickness of this hand-layup
process to closely approximate the wall thickness of filament wound straight pipe in equivalent pressure rated classes.
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Click Here to Print the Fiberglass Pipe Manual for Chemical Plants
Click Here to Print the Fiberglass Pipe Manual for Power Plants
Click Here to Learn More About Fiberglass Pipe IntegraHeader &#; The Long-Term Chlorine Header Solution
Fiberglass pipes are manufactured using different processes, each catering to specific requirements. The filament winding process involves winding continuous strands of fiberglass around a rotating mandrel, resulting in high-strength pipes. This process finds its application in the demanding oil and gas industry, where resistance to corrosive substances and high-pressure environments is crucial. Alternatively, the centrifugal casting process creates pipes by spinning a mold filled with fiberglass material, enabling the production of large-diameter pipes suitable for municipal water and wastewater systems. Moreover, the hand lay-up process involves manually layering fiberglass sheets and resin, making it suitable for applications in chemical processing plants.
Fiberglass pipes are available in various types, depending on the composition of fiberglass materials. E-glass, S-glass, and C-glass are common types of glass compositions used in fiberglass manufacturing. E-glass is a type of alkali-lime glass that is commonly used in fiberglass production due to its excellent mechanical strength and chemical resistance. S-glass is a high-strength glass composition that contains a higher percentage of alumina and offers superior tensile strength compared to E-glass. C-glass is yet another type of glass composition with increased resistance to chemical corrosion, making it suitable for applications where exposure to corrosive substances is a concern. As a result of their distinct properties, E-glass fiberglass pipes are ideal for industrial manufacturing processes. On the other hand, S-glass fiberglass pipes find application in demanding aerospace and defense sectors. Additionally, C-glass fiberglass pipes are commonly used in marine and offshore structures due to their ability to withstand harsh environments.
While fiberglass pipes offer numerous benefits, there are some considerations to keep in mind. To begin with, the production of fiberglass has an environmental impact due to the use of resins and energy-intensive manufacturing processes. Additionally, fiberglass pipes may experience thermal expansion and contraction, requiring careful design considerations to accommodate temperature variations. Lastly, fiberglass pipes have limited flexibility and can be susceptible to cracking under excessive stress or impact, necessitating proper handling and installation.
Manufacturers of fiberglass pipes have made concerted efforts to address the considerations associated with their production and usage. To minimize the environmental impact, for example, they are adopting eco-friendly materials and employing more sustainable manufacturing techniques. By incorporating expansion joints into fiberglass pipe systems for improved thermal expansion and contraction, meanwhile, they are mitigating the risk of structural damage. Additionally, manufacturers are employing reinforcement techniques, such as adding layers of fiberglass or incorporating composite materials, to enhance the flexibility and durability of their pipes and make them more resistant to cracking.
Fiberglass pipes offer several advantages that contribute to their widespread usage across industries. Their exceptional corrosion resistance ensures long service life, reducing maintenance costs and downtime. Additionally, fiberglass pipes possess a high strength-to-weight ratio, making them lighter and easier to transport and install compared to traditional metal pipes. The smooth internal surface of fiberglass pipes also minimizes friction and scale buildup, ensuring efficient fluid flow. Furthermore, their low thermal conductivity helps maintain consistent fluid temperatures and reduces heat loss.
The applications of fiberglass pipes are extensive and diverse. In the chemical and petrochemical industries, fiberglass pipes efficiently handle the transportation of corrosive chemicals, acids, and alkalis. Additionally, water and wastewater treatment plants rely on their durability and resistance to corrosion for efficient management of fluids. In the oil and gas industry, meanwhile, fiberglass pipes are used for pipelines, providing reliable and long-lasting solutions for fluid transport. Fiberglass pipes also find applications in infrastructure and construction projects, where their lightweight nature and corrosion resistance are highly valued. Moreover, they play a vital role in industrial manufacturing processes, facilitating the safe and efficient transportation of various fluids and chemicals. Furthermore, fiberglass pipes are utilized in the aerospace and defense sectors for their high tensile strength and resistance to extreme conditions, ensuring reliable performance in critical applications. Finally, fiberglass pipes find extensive application in marine and offshore structures, providing reliable and corrosion-resistant solutions for fluid transport in challenging marine environments.
To ensure you have the most constructive outcome when purchasing fiberglass pipes from a fiberglass pipe supplier, it is important to compare several companies using our directory of fiberglass pipe suppliers. Each fiberglass pipe supplier has a business profile page highlighting their areas of experience and capabilities, along with a contact form to directly communicate with the supplier for more information or to request a quote. Review each fiberglass pipe business website using our patented website previewer to quickly learn what each company specializes in. Then, use our simple RFQ form to contact multiple fiberglass pipe companies with the same form.
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