FRP Pipes
Your Professional FRP Pipes Supplier
Hebei Ruikun Fiberglass Co., Ltd., formerly known as Jizhou Jing'an Anti-corrosion and Explosion-proof Electrical Appliance Co., Ltd., was founded in 1980. Located in Liwa Village, Nanwu Township, Jizhou District, Hengshui City, Hebei Province, a region with convenient transportation and a superior geographical location, it is a registered supplier for Sinopec and a material supplier for PetroChina. The company specializes in the research, development, production, and sales of fiberglass and polyurethane series products, committed to providing high-quality, customized supporting products and services to various industries.
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Large Diameter Fiberglass PipeThe large diameter fiberglass pipe is engineered for high-volume fluid transport in major infrastructure and industrial projects. Designed to meet the demands of large-scale water, wastewater, and...read more
Why Choose Us
Our Certificate
System Certifications: Certified by ISO9001:2015 Quality Management System, ISO14001:2015 Environmental Management System, and ISO45001:2018 Occupational Health and Safety Management System.
Our Service
We support personalized customization services, tailoring exclusive solutions to meet specific customer working conditions, size specifications, and performance requirements.
Engineering & Custom Solution
Our engineering team develops a tailored solution based on your needs, including technical drawings, structure optimization, and cost-effective recommendations.
Product Parameters
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Diameter Range |
DN1200 – DN4000 |
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Pressure Rating |
0.6–2.5 MPa |
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Stiffness Class |
SN2500, SN5000, SN10000 |
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Standard Length |
6m, 12m, or custom |
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Joint Types |
Flanged, butt & strap, mechanical coupling |
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Inner Surface |
Hydraulically smooth, roughness coefficient ≤0.0084 |
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Temperature Range |
–40°C to +70°C |
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Chemical Resistance |
Excellent resistance to corrosive fluids and seawater |
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Design Life |
>50 years |
Key Features

Corrosion Resistance: FRP pipe and fittings need no internal linings or cathodic protection – the composite inherently withstands acids, alkalis, salts and oxidizers.
High Strength-to-Weight: FRP offers metal-like pressure ratings at a fraction of the weight. This simplifies handling and support design and speeds up installation.
Lightweight Construction: At only ~20% the weight of steel or 10% of reinforced concrete, FRP piping is easy to ship and install.
Smooth Flow Surface: The fiberglass-reinforced bore is very smooth, yielding high hydraulic efficiency (low friction losses).
Large Diameter & Long Lengths: Available in diameters from ≈15 mm to 4000 mm, FRP pipes can be produced in long, continuous sections (often tens of meters), reducing joints and leak paths.
Versatile Fabrication: Pipes and fittings are made by filament winding, contact molding or centrifugal casting. Flanged, butt-welded (FRP and metal), and flared-end joints are common. GRP/FRP fittings include any angle or branch needed (45°/90° bends, tees, crosses, reducers, etc.) manufactured to order.
Thermoplastic Liner Option: For extra chemical safety, FRP pipes can be lined with engineered plastics (PP, PVC, CPVC, PVDF, ECTFE, FEP, PFA, etc.) to form a dual-laminate system.
Main Advantages and Properties of FRP Pipes




Corrosion resistance – In FRP is achieved through the polymer matrix (epoxy vinyl ester and polyester), which offers protection against a wide range of corrosive chemicals and acids. Additionally, since Fiber Reinforced Plastic does not contain iron, it is immune to oxidation and rust.
Abrasion Resistance – A blend of polyester or epoxy vinyl ester resin with silicon carbide mash powder is highly effective for handling abrasive slurries. The resin offers corrosion resistance, while the silicon carbide addresses wear concerns. The amount of silicon carbide additive varies based on the service conditions and the substances flowing through the pipe. The percentage content of powder to weight of resin can reach up to 40%, however exceeding this limit may overly thicken and harden the resin, making application difficult. An abrasion-resistant layer can be applied to both newly fabricated equipment and existing systems.
Dimensional stability – In FRP comes from the fact that reinforced glass fibers have a relatively low Coefficient of Thermal Expansion (CTE), meaning they expand and contract very little with temperature fluctuations. This, combined with the resin, creates a rigid structure that maintains its shape, even when subjected to mechanical stress.
Static Charge Buildup Resistance – While FRP is naturally non-conductive, the flow of explosive gases can generate static electricity. To safely dissipate this charge, carbon veil can be incorporated into the resin as a first layer. Combined with conductive connections, this enables grounding between pipe sections, making it particularly valuable in industries like pharmaceuticals, where controlling static electricity is crucial for preventing sparks, explosions, and contamination.
Lightweight – The resins used in FRP fabrication have a much lower density compared to metals like steel. Despite its lightweight nature, FRP boasts high tensile and compressive strength. This makes it an ideal solution in applications where weight reduction is crucial for efficiency and performance.
Codes and standards for FRP pipes
Following codes and Standards for the design of GRP / FRP Pipes are commonly used:
BS EN ISO 14692
Petroleum and natural gas industries – Glass-reinforced plastics (GRP) piping.
AWWA M45
Fibreglass Pipe Design.
UKOOA
United Kingdom Offshore Operator Association.
BS 7159
Code of practice for design and construction of glass-reinforced plastics (GRP) piping systems for individual plants or sites.
Our Certificate




FAQ
As one of the leading FRP pipes manufacturers and suppliers in China, our products have good reputation in the market. Please feel free to buy high quality FRP pipes for sale here from our factory. Good service and reasonable price are available.
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