TUTTNAUER ARM172-0008 Check Valve 1/2″ SS – SUB to 03139997 – 5405

The Tuttnauer 5405 is a stainless-steel check valve with a 1/2" connection. It serves as a substitute for part number 03139997 and is compatible with Tuttnauer steam sterilization equipment. Check valves are used to prevent backflow in steam and water lines, typically installed in the supply or drain path of an autoclave system to maintain unidirectional flow.