VALVE WITH PILOT CONTROL, ESPECIALLY FOR A FUEL VAPOR RETENTION SYSTEM

摘要

A valve with a pilot control is provided for a fuel vapor retention system. The valve has a main valve (10) with a valve body (12) for opening and closing a fluid passage, a pilot control valve (20), which is arranged at the valve body (12) for opening and closing a channel (14) arranged in the valve body (12) and has an elastically deformable diaphragm (22), and a plunger (30) for pressing the diaphragm (22) against a mouth of the channel (14) to close the channel (14) thereby and displacing the valve body (12) in the closing direction against a valve seat (11).