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Aquaculture gas sampling pumps play a critical role in maintaining water quality, fish health, and system efficiency. In salmon farming and recirculating aquaculture systems (RAS), accurate monitoring of oxygen (O₂), ozone (O₃), and carbon dioxide (CO₂) is essential for optimal performance. 

Air Dimensions (ADI) provides oil-free, leak-free diaphragm gas sampling pumps engineered to deliver clean, stable samples for analyzers in aquaculture environments. 

 

Common Mining Applications

 

Oxygen Monitoring Systems (O₂) 

Ozone Monitoring & Disinfection Systems (O₃) 

Applications: 

  • Dissolved oxygen control systems
  • Aeration and oxygen injection monitoring
  • Analyzer cabinets in fish farms

Typical challenges: 

  • Need for highly accurate and stable sampling
  • Moisture-laden air → condensation risk
  • Sensitivity of oxygen analyzers to contamination

Ozone is widely used for water treatment and disinfection in aquaculture systems, requiring precise monitoring. 

Applications: 

  • Ozone generator skids
  • Ozone destruct systems
  • Residual ozone monitoring

Typical challenges: 

  • Strong oxidizing gas → material compatibility issues
  • Pump degradation with non-inert materials
  • Need for contamination-free sampling

 

CO₂ Monitoring & Off-Gas Analysis 

Analyzer Cabinets & OEM Systems

Applications: 

  • CO₂ stripping systems
  • Off-gas monitoring in RAS facilities
  • Environmental control systems

Typical challenges: 

  • Moisture and condensation in gas lines
  • Need for consistent sample flow for analyzer accuracy
  • Mild corrosion depending on humidity levels

Typical challenges: 

  • Limited space → need for compact pumps
  • Noise constraints in indoor installations
  • Requirement for oil-free operation to protect analyzers

 

ADI Solutions for Aquaculture Applications

ADI pumps are designed to ensure precise, contamination-free gas sampling for sensitive aquaculture monitoring systems.

How to Select the Right Pump (Quick Guide)

When designing an aquaculture gas sampling system, consider: 

  • Gas type (O₂, O₃, CO₂)
  • Presence of moisture and condensation risk
  • Material compatibility (especially for ozone)
  • Space constraints and noise requirements
  • Required analyzer flow rate (SLPM)

👉 Tip: Ozone applications require PTFE or fully inert wetted materials to prevent premature pump failure. 

Frequently Asked Questions (FAQ)

Oil contamination can damage oxygen and ozone sensors, leading to inaccurate measurements and system inefficiencies.