FIRST REDUCTING STAGE FOR SUBACCESSIVE TWO -STAGE RESPIRATORS

摘要

Regulator first stage for two-stage underwater breathing apparatuses, comprising a reduction chamber (601) communicating with high-pressure gas supply through a balance valve (5), that is influenced by the pressure of the external environment by a balance diaphragm (4) that, by means of a suitable actuator (105), acts on said valve (5), said reduction chamber (601) being provided with at least one or a plurality of medium pressure outlets, characterized in that the said plurality of medium pressure outlets (311) with their axes (30) parallel to the operating axis (50) of the balance valve (5). According to a further characteristic, in addition to said plurality of outlets with axes parallel to the operating axis (50) of the balance valve, at least one or a plurality of medium pressure outlets (611) with their axes (60) orthogonal to the operating axis (50) of the valve (5) are provided.