Patent ID: 7198058
Filing Date: 2007-04-03
Classification: F16K,Y10T

Abstract:
1. Device for actuating double seat valves, comprising: two closing elements ( which enclose between them a leakage chamber ( which is connected via at least one path of travel with the surroundings of a double seat valve, with the independently actuated first closing element ( that after a partial stroke comes to rest on the dependently actuated second closing element ( with valve stems ( through which the closing elements ( whereby the full open position (H) is generated through a main adjustment device ( the individual adjustment devices ( and one actuating piston ( and whereby the second partially open position (T a stop position of a second actuating piston ( 205 ) is relative to the housing ( 201 / 202 ) provided for the first partially open position (T 1 ) of the first closing element ( 3 ) and is adjustable from its exterior in the area between the main adjustment device ( 100 ) and the individual adjustment devices ( 200 ) through a stop nut ( 214 ).