High-Strength Glass Fiber Reinforced Plastic Flange
- Corrosion-resistant, suitable for harsh chemical environments
- Lightweight, 60% lighter than steel flanges
- Tensile strength up to 300 MPa
- Temperature range: -40°C to 110°C
- Service life over 25 years
- Standard accessories available, easy installation
CNPS Fiberglass Flange, With Reliable Connection
The fiberglass flanges provided by CNPS are designed to offer reliable and corrosion-free connections for demanding industrial piping systems. Unlike the traditional metal flanges that are prone to corrosion and require frequent replacement, fiberglass flanges are lightweight, strong, and have excellent chemical resistance. They are widely used in seawater desalination plants, chemical processing, marine pipelines, and wastewater systems. With CNPS’s expertise, each flange is meticulously designed to be durable, efficient, and cost-effective, thereby reducing overall maintenance costs and ensuring the continuous operation of critical projects.
Our Product
CNPS also produces a full range of fiberglass reinforced plastic pipeline components, ensuring the provision of complete solutions for industrial and marine projects.
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FRP ElbowCorrosion-resistant elbow, ensuring smooth and directional flow of the fluid.
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Glass Fiber Reinforced Plastic Flanges Classified by Application
CNPS glass fiber reinforced plastic flanges are specially designed for use in the most challenging industrial environments. Their lightweight structure, high durability, and chemical resistance make them suitable for multiple industries worldwide.

Can withstand corrosive acids and bases, ensuring the integrity of pipelines in chemical processing plants.

It is 60% lighter than steel flanges, reducing transportation and installation costs.

It is specially designed to withstand pressure loads up to 300 MPa of tensile strength.

The designed service life exceeds 25 years, reducing the costs of replacement and maintenance.
CNPS FRP Flanges for Chemical Processing
In chemical plants, corrosion is a persistent challenge. CNPS FRP flanges boast outstanding resistance to acids, alkalis, and solvents, ensuring leak-free joints and long-lasting durability. Their lightweight design reduces installation workload while achieving long-term stability, making them an economical choice for modern chemical facilities.


Marine Applications of CNPS FRP Flanges
Seawater corrosion typically shortens the lifespan of metal components. The CNPS FRP flanges are meticulously designed to withstand harsh marine conditions, thereby extending their lifespan and reducing maintenance costs. They are ideal choices for seawater desalination plants, offshore platforms, and port facilities that require reliable pipeline connections.
Why Choose CNPS Fiberglass Flanges


CNPS combines decades of composite material engineering expertise with advanced production technologies to offer world-class fiberglass flanges. We ensure that each flange meets strict international durability, safety, and performance standards. Our tailor-made solutions support numerous industries, from petrochemicals to water treatment, enabling customers to have confidence in the reliability of the pipelines and lower life cycle costs.
They are widely used in chemical processing, seawater desalination, wastewater treatment, marine applications, and industrial piping systems.
If installed properly, the lifespan of the CNPS FRP flange is usually over 25 years, even in corrosive environments.
Yes, the CNPS FRP flange can be connected to standard metal pipeline systems using appropriate gaskets and bolts.







