| 摘要 |
Regulator for underwater breathing apparatus including: a box-like body having a mouthpiece; and air inlet ducts connected to said box-like body through an inlet valve; one or more exhaust duct connected to the box-like body; a flexible diaphragm frontally positioned on the opposite side as to the mouthpiece and co-operating with an opening or closing lever of the inlet valve, the regulator includes a manually operable limiting device operable from the outside and movable from a first position, where it allows limited movement of the lever inside of the box-like body, to a second position where it allows unlimited movement of the lever inside of the box-like body.
|
