Fiberglass Pressure Storage Tank

FRP pressure storage tanks are among the most technologically advanced FRP products, demanding the most stringent design and manufacturing requirements. They not only withstand the weight of the medium in static conditions but also operate safely under internal pressure.

Mainly made of fiber-reinforced plastic (FRP), these sealed containers are used to store or process pressurized fluids (gases and liquids). Their design and manufacturing must adhere to strict pressure vessel specifications (such as ASME X and NB/T 47012).

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Manufacturing Process Core Features Main Applications

Fixed-length winding is the primary and most advanced process for manufacturing FRP pressure vessels.

Process: Under the control of a computer numerical control (CNC) system, resin-impregnated continuous fibers are precisely wound onto a rotating mandrel according to a predetermined pattern and thickness, followed by curing and demolding.

Core Features

High specific strength

Lightweight yet high pressure-bearing capacity.

Excellent corrosion resistance

Withstands a wide range of chemical media, including acids, alkalis, and salts, eliminating the need for linings and anti-corrosion coatings.

Design Flexibility

Different winding angles can be customized to optimize stress distribution.

Excellent insulation

Non-conductive, excellent thermal insulation.

Low maintenance

Long service life, requiring no frequent maintenance.

Main Applications

Chemical Industry: Various acid, alkali, and salt storage tanks, reactors, extraction towers, and scrubbers.

Water Treatment Industry: Reverse Osmosis (RO) system pressure vessels, ion exchange tanks, and softening water tanks.

Environmental Protection Industry: Flue Gas Desulfurization (FGD) systems, exhaust gas absorption towers, and wastewater treatment equipment.

Papermaking Industry: Bleaching agent (ClO₂) and pulp slurry storage tanks.

Metallurgy, power generation, food, pharmaceuticals, and many other industrial sectors.

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