Valve for air chambers

Valve for air chambers comprising a fixed body and a mobile selector body, wherein the mobile selector body is disposed coaxially in the fixed body and said mobile selector body is configured to slide with respect to the fixed body along an axis, characterized in that

• the mobile selector body has a first position of use, associated during use to at least a first outlet, and a second position of use, associated during use to at least a second outlet,
• wherein the fixed body is made with an internal cavity and in that said internal cavity comprises at least one seating, said at least one seating housing at least a first sealing element and a second sealing element,
• wherein said mobile selector body and said fixed body are configured to be coupled by screwing, said mobile selector body providing a threaded portion and said fixed body being provided with a first portion that comprises, in said internal cavity, a threaded zone mating with said threaded portion,
• wherein said fixed body comprises a second portion adjacent to the first portion, said second portion comprising one or more first radial outlets and one or more second longitudinal outlets,
• wherein said mobile selector body comprises an entrance zone, a channel for a passage of the air and one or more radial outlets configured to communicate respectively with said one or more first radial outlets in the first position of use and with said one or more second longitudinal outlets in the second position of use,
• a mechanical stop system being provided, configured to prevent axial disinsertion of the mobile selector body and fixed body, and a mechanical end-of-travel system being provided, configured to define an end-of-travel of rotation screwing of the mobile selector body and fixed body.