FRP Oxygenating Cone – Specialized for Aquaculture. Suitable for both saltwater and freshwater. High efficiency and corrosion-resistant.
FRP Dissolved Oxygen Cones are specialized aeration equipment designed for water treatment and aquaculture scenarios, delivering efficient oxygen dissolution:
Key Performance: The working pressure is 0.25MPa (factory test pressure: 0.4MPa), with an operating temperature range of 1°C–49°C (34°F–120°F). Available in diameters from 250mm to 1200mm, it’s constructed from high-strength FRP material, suitable for seawater and other corrosive liquid environments.
Efficient Structure: Its big-end-up conical design enables superior oxygen dissolution performance, with 20°C oxygen dissolution capacities ranging from 1kg/h to 5.6kg/h (depending on the model), and outlet dissolved oxygen concentrations up to 65kg/L.
Specifications: Models (CD25 to CD125) cover flow capacities from 7m³/h to 140m³/h, paired with 25mm–110mm water inlet/outlet flanges and adjustable air pressure (10/15/20 PSI).
Target Applications: Ideal for aquariums, aquaculture farms, seawater breeding seedlings, large temporary aquaculture bases, and other water-related scenarios.
This oxygen cone combines corrosion resistance, high efficiency, and adaptability, making it a reliable choice for oxygenation needs in aquatic systems.
CD25, CD80, CD125, CD150 (corresponding to different diameters and flow rates)
Work stress
0.25 MPa
Test pressure
0.4 MPa
Design flow
2.5 to 140 tons per hour (varies according to different models and corresponding flow rates)
Main material
Glass Fiber Reinforced Plastic (FRP)
Applicable to liquids
Weakly corrosive liquids such as seawater and freshwater
Application Scenario
Oxygenation in aquariums, aquaculture, marine farming and industrialized farming bases
【Product Overview】
The FRP oxygenation cone (oxygenation enhancer) is an efficient oxygen transfer and dissolution device specially designed for intensive aquaculture. Its main body is made of glass fiber reinforced plastic (FRP) and features a unique “cone-shaped” design, with a smaller top and a larger bottom. This design significantly increases the contact area and time between water and oxygen, enabling extremely high oxygen dissolution efficiency under low pressure conditions. The working pressure of this product is 0.25 MPa and it can be used in weakly corrosive liquids such as seawater and freshwater. It is an ideal equipment for enhancing the oxygen level in water bodies in aquaculture ponds, breeding farms, and aquariums, ensuring the growth and survival rate of organisms.
【Product Features and Advantages】
High-efficiency oxygen dissolution, conical design: The core conical structure (small at the top and large at the bottom) creates optimized fluid dynamics conditions, significantly expanding the gas-liquid contact interface. This enables oxygen to pass through the water in the form of small bubbles, uniformly and slowly, thereby achieving a much higher oxygen dissolution rate than that of ordinary aeration discs.
Corrosion-resistant and long-lasting: Made of FRP material, it has excellent corrosion resistance to seawater and freshwater, avoiding the corrosion problem of metal materials and ensuring that the equipment remains sturdy and durable during long-term underwater operation.
Sturdy structure, low-pressure operation: The FRP material not only provides the tank with high strength but also maintains a relatively light weight. The designed working pressure is 0.25 MPa, enabling efficient oxygenation with low energy consumption, and it is energy-saving, safe and reliable.
Enhancing breeding efficiency: By efficiently and stably increasing the dissolved oxygen level in the water body, it can effectively improve the breeding environment, promote the growth of organisms, and reduce the risk of diseases. This is a key equipment for increasing breeding density and ultimately increasing the yield.
A wide range of models, choose as needed: We offer various models from CD25 to CD150, with a designed flow rate covering 2.5 to 140 tons per hour. This can meet the different scale requirements ranging from small aquariums to large industrial farming bases.
【Typical Application Scenarios】
Terminal aeration for intensive aquaculture ponds and factory-based recirculating water farming (RAS) systems.
Oxygenation is carried out in the rearing ponds of shrimp, fish and sea cucumber breeding farms.
The maintenance systems of large-scale marine aquariums and aquarium tanks.
The aerobic treatment section of the wastewater treatment process that requires efficient oxygenation (suitable for weakly corrosive water quality).
