David KY-20B Air and Oxygen Blender

The David KY-20B Air and Oxygen Blender is a compact, pneumatic-controlled gas mixing device designed to deliver precise oxygen concentrations ranging from 21% to 100% for neonatal and clinical respiratory care. With separate oxygen concentration and flow rate adjustment, it supports a wide range of applications from infant incubators to CPAP and resuscitation systems—all without the need for external power.

• Precision Oxygen Control: Delivers continuously adjustable oxygen concentrations with ±3% accuracy, ensuring safe and consistent therapy.

• Dual Flow Range Compatibility: Supports low- and high-flow clinical applications with flow rates from 0–3.5 L/min and 0–15 L/min.

• Integrated Gas Supply Alarm System: Built-in pneumatic whistle alarm activates during gas source interruptions or pressure abnormalities for enhanced safety.

• Power-Free Operation and Lightweight Design: Functions entirely without electricity and weighs just 0.84 kg, making it ideal for bedside and mobile setups.