
Onsite Aquaculture Oxygen Generators
Description
Technical Parameters
Harnessing atmospheric air as the raw material, our onsite generators extract and concentrate oxygen for targeted delivery to your tanks, ponds, or raceways. The process is seamless: a side stream of water is pumped through a venturi nozzle, where oxygen is injected to achieve full saturation. High-velocity mixing nozzles distribute the oxygen-rich water along the vessel bottom, ensuring every corner gets uniform DO. You can choose manual regulation or automatic control via a DO analyzer and probe, keeping levels precisely at 5-6 ppm (70% saturation)-the sweet spot for fish growth and vitality.

| No. | Models | Capacity (Nm3/hr) | Purity | Power consumption of 1Nm3 oxygen produced (kw/h) | Number of bottles filled in 12 hours (pcs) | Operator needed |
| 1 | NTK-5P | 5 | 93%+-3% | 3.54 | 10 | 2 |
| 2 | NTK-10P | 10 | 93%+-3% | 2.52 | 20 | 2 |
| 3 | NTK-15P | 15 | 93%+-3% | 2.31 | 30 | 2 |
| 4 | NTK-20P | 20 | 93%+-3% | 2.13 | 40 | 2 |
| 5 | NTK-25P | 25 | 93%+-3% | 2.01 | 50 | 2 |
| 6 | NTK-30P | 30 | 93%+-3% | 2.09 | 60 | 2 |
| 7 | NTK-40P | 40 | 93%+-3% | 1.81 | 80 | 2 |
| 8 | NTK-50P | 50 | 93%+-3% | 1.94 | 100 | 2 |
| 9 | NTK-60P | 60 | 93%+-3% | 1.62 | 120 | 2 |
| 10 | NTK-80P | 80 | 93%+-3% | 1.92 | 160 | 2 |
| 11 | NTK-100P | 100 | 93%+-3% | 1.83 | 200 | 2 |
| Design basis: Altitude:≤500m;RH:≤80%;Temperature:0℃-38℃;Filling pressure: 150Bar 40L Type Standard Cylinder | ||||||
Onsite Aquaculture Oxygen Generator Key Advantages

Supercharge Fish Health & Yields:
Optimal DO levels let you increase stocking density without compromising welfare. Fish grow faster, reproduce more successfully, and suffer less stress, disease, and mortality. Better feed conversion and a pristine environment also enhance flavor, letting you command premium prices for top-tier products.
Hassle-Free & Low-Maintenance:
These "plug-and-play" systems require no complex setup or expertise to operate. Maintenance is a breeze-just periodic compressor checks and filter changes-with annual downtime under 8 hours, ensuring non-stop operation for your critical farming processes.
Unbeatable Cost Savings & ROI:
Say goodbye to expensive cylinder gas, bulk liquid oxygen, and delivery fees. Our durable systems run reliably for years with proper care, and the combined benefits of higher yields, lower costs, and premium pricing deliver a rapid return on investment.
All-Season Reliability & Versatility:
From preventing winter ice formation to outperforming traditional air-fed aerators, our generators adapt to any condition. They improve water quality by displacing excess nitrogen, break down waste, and can supply feed gas to ozone generators for disinfection-perfect for broodstock units, larval rearing, recirculating systems, and more.
FAQ
1.What aquatic species is this onsite oxygen generator suitable for?
Ideal for salmon, trout, striped bass, tilapia, shrimp, and other common aquaculture species.
2.How to control the dissolved oxygen (DO) level?
Manual regulation or automatic control via a DO analyzer/probe, maintaining 5-6 ppm (70% saturation).
3.Is the system easy to maintain?
Yes, it's plug-and-play with minimal maintenance-only periodic compressor checks and filter changes, annual downtime <8 hours.
4.How does it save costs compared to traditional oxygen supply?
Eliminates cylinder/liquid oxygen purchase and delivery fees, with fast ROI via higher yields and premium pricing.
5.What aquaculture scenarios can it be used for?
Fits broodstock units, larval rearing, recirculating systems, seawater well treatment, ozone disinfection, etc.
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