ContentsEB 2517 EN 31 General safety instructions .............................................................................42 Process medium and scope of application.......................................................52.1 Transportation and storage .............................................................................53 Design and principle of operation ..................................................................54 Installation ....................................................................................................64.1 Assembly ......................................................................................................64.2 Mounting position ..........................................................................................84.3 Control line, compensation chamber and needle valve ......................................94.4 Strainer (filter)..............................................................................................104.5 Shut-off valve ...............................................................................................114.6 Pressure gauge ............................................................................................115 Operation ...................................................................................................125.1 Start-up.......................................................................................................125.2 Adjusting the set point ..................................................................................125.3 Decommissioning .........................................................................................136 Cleaning and maintenance ..........................................................................146.1 Replacing the operating diaphragm ..............................................................147 Nameplate ..................................................................................................168 Dimensions .................................................................................................179 Customer inquiries ......................................................................................1810 Technical data .............................................................................................19