COMPENSATED PRESSURE REDUCTING DEVICE

摘要

Device for reducing the delivery pressure of a combustible gas, particularly for systems supplying gas to internal combustion engines for automotive vehicles, comprising a diaphragm-operated plug element (6) for opening and closing a seat (5), a spring device (9) acting on the diaphragm, an actuator rod (11) connected to the plug (6) and to the diaphragm and a pressure compensator element (12) comprising a tubular body shaped in the form of a bellows, internally hollow and extending axially between opposite axial ends, one of which is connected to the plug (6) while the other is connected to a stationary structure of the reducer, the inner cavity (13) of the tubular body being sealed to separate it from the outside of the body, a predetermined pressure being created in the cavity (13).