The Bühler Technologies APO Automatic Condensate Drain is specially engineered for industrial gas analysis systems and sample gas conditioning units. Manufactured by the renowned Bühler Technologies GmbH (Germany)—a global leader in gas analysis components and liquid control solutions—the APO series delivers reliable, continuous liquid discharge.

In Continuous Emission Monitoring Systems (CEMS) and industrial process gas analyzers, removing condensate formed in sample gas coolers is critical to preventing sensor damage and measurement drift. The Bühler APO automatic drain unit ensures efficient, uninterrupted condensate removal without causing sample gas leakage or sample pressure fluctuations.

Constructed from premium chemical-resistant materials including high-grade stainless steel, PTFE, PVDF, and borosilicate glass, the APO unit resists harsh corrosive gas components such as SO2, NOx, HCl, and H2S. Its compact, robust design permits quick installation, easy maintenance, and seamless integration into existing sample gas conditioning panels and gas cooler models.

• Manufacturer: Bühler Technologies GmbH
• Product Series / Model: APO (Automatic Condensate Drain / Automatic Drain)
• Country of Origin: Germany
• Function: Automatic separation and discharge of condensate in sample gas systems
• Wetted Parts Materials: Stainless Steel 1.4571 (316Ti) / PVDF / PTFE / Borosilicate Glass (depending on model variant)
• Seal Materials: Viton (FKM) / FFKM (optional chemical resistant)
• Max Operating Pressure: Up to 2 bar - 4 bar (depending on configuration)
• Ambient Operating Temperature: -20°C to +80°C
• Sample Gas / Medium Temperature: Up to +140°C (optional configuration)
• Inlet / Outlet Port Connections: G 1/4" or NPT 1/4" (Standard industrial connections)
• Operation Mechanism: Automatic float/differential-pressure mechanical discharge
• Environmental Compatibility: Highly corrosion-resistant for 24/7 continuous operation in harsh industrial environments
• System Integration: Compatible with Bühler sample gas coolers (EGK, TC-Standard, TC-Double, Cool-Base, etc.)