Patent ID: 7471177

Claim:
Actuating device for actuating valves, having a housing ( 18 ) and a coil element ( 10 ) located therein, a coil element in which a switching component is guided, and which is provided with the winding ( 14 ) of a conductor ( 16 ) which is connected by a retaining device ( 22 ) to contact components ( 38 ) of a plug plate ( 40 ) which is seated on the outer peripheral surface ( 50 ) of the housing ( 18 ) while maintaining a distance by means of a plug insert ( 48 ), the plug insert ( 48 ) for seating an annular sealing component ( 52 ) having a seating surface ( 54 ) which extends in the form of a groove within the plug insert ( 48 ), and, in the installed state, by pressing the sealing component ( 52 ) at least the gap ( 58 ), which is formed in the direction of the coil element ( 10 ) between the plug plate ( 40 ) and the outer peripheral surface ( 50 ) of the housing ( 18 ), being closed to effect sealing, characterized in that the groove depth is chosen such that in the unpressed state approximately half of the sealing component ( 52 ) is held in the groove ( 56 ) and in that in the installed state the groove ( 56 ) with the sealing component ( 52 ) is completely filled except for a projection which sealingly closes the gap ( 58 ) which is formed.