Connection system comprising a closing device for diving regulator

Abstract

A connection system, in particular for a pressure reducer of a diving regulator, the system comprising a connector () having a first end () adapted to be fastened to a pressure reducer and a second end (') adapted to be fastened to a valve of a compressed air cylinder, said connector () having an internal passage () extending substantially axially between said first and second ends, said internal passage () including a filter (), preferably made of sintered stainless steel, and a retaining member () fastened to said second end (′) and supporting firstly said filter () and secondly a main O-ring (), said retaining member () forming an inlet opening, said system including a shutter device comprising a shutter member () that is deformable and/or movable between a shut position in which it shuts said inlet opening, and an open position in which it does not shut said inlet opening, said shutter member () being urged resiliently towards its shut position and being deformed and/or shifted towards its open position by compressed air coming from said compressed air cylinder, said shutter member () being deformed and/or shifted towards its open position in a direction extending substantially transversely relative to the flow direction of the compressed air stream.