Contents
4 EB 2517 EN
6.1.3 Pressure test .................................................................................................34
6.2 Starting up the plant .....................................................................................35
6.2.1 Regulation of liquids ..................................................................................... 35
6.2.2 Regulation of steam ...................................................................................... 35
6.3 Adjusting the set point ..................................................................................36
7 Servicing.....................................................................................................37
7.1 Replacing the actuator .................................................................................. 39
7.2 Replacing the set point springs ......................................................................40
7.3 Replacing the seat and plug ..........................................................................41
7.4 Replacing the operating diaphragm ..............................................................42
7.5 Tightening torques ........................................................................................43
7.6 Lubricants and sealants ................................................................................43
7.7 Accessories .................................................................................................43
7.8 Preparation for return shipment .....................................................................43
7.9 Ordering spare parts and operating supplies .................................................44
8 Malfunctions ...............................................................................................44
9 Decommissioning and removal ....................................................................47
9.1 Decommissioning .........................................................................................47
9.2 Disposal ......................................................................................................47
10 Appendix .................................................................................................... 48
10.1 After-sales service ........................................................................................48
10.2 Spare parts .................................................................................................48
10.3 Certicates ..................................................................................................50