ETC 1938 Check Valve 1/2″ – 4943

The ETC 1938 Check Valve 1/2" – 4943 is a flow-control component for medical gas delivery systems. Check valves prevent backflow in supply lines, ensuring unidirectional flow of gases (typically oxygen, air, or nitrous oxide) through the line. This model features a 1/2" connection and is identified by part number 4943. It is a replacement or maintenance part for refurbishment depots and service organizations rebuilding patient-care gas delivery assemblies.