Airflow Valve
thingiverse
This airflow valve is designed to work seamlessly with diaphragms, enabling individuals to build their own mechanical respirators (ventilators) as needed. Moreover, when paired with ultrasonic nebulizers, this valve can be used to divert exhaled air from COVID-19 patients' lungs to a filter, effectively preventing environmental contamination. Visual aids illustrating suggested usage are available for reference. Connections adhere strictly to 22 mm hose standards, and inlet/outlet valves can be easily swapped out to optimize project compatibility. My own testing has shown that positioning the exhaust valve directly opposite the in/out connection yields superior results.
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