V-ball control valve
Vacuum valve
Valve assembly
Valve assembly having novel flow characteristics
Valve closing device
Valve closing device
Valve device having a valve control member formed by molding
Valve door with ball coupling
Valve essentially gastight closing of a flow path
Valve for essentially gastight closing a flow path
Valve for essentially gastight closing a flow path
Valve for opening and closing a fluid conduit
Valve mechanism and control
Valve with offset venturi
Valve with rolling closure member
Vent valve