MISCHHAHN

摘要

A movable obturator provided with two flow orifices is placed between an abutment member and two nozzles for the admission of hot water and cold water. The obturator is capable of sliding over the nozzles and provided with a plastic shoe covered by a metallic shell on which the nozzles are applied in leak-tight manner. That face of the shell on which the nozzles are applied is covered with a coating of self-lubricating polymer.