4 EB 8111/8112 EN
Contents
7.2 Replacing the packing ..................................................................................40
7.2.1 For mounting using crossbeam and central nut (FormB) ..................................40
7.2.2 For mounting on rods (FormC)......................................................................41
7.3 Replacing the seat and plug ..........................................................................42
7.3.1 For mounting using crossbeam and central nut (FormB) ..................................42
7.3.2 For mounting on rods (FormC)......................................................................43
7.4 Preparation for return shipment .....................................................................44
7.5 Ordering spare parts and operating supplies .................................................44
8 Malfunctions ...............................................................................................46
8.1 Troubleshooting ...........................................................................................46
8.2 Emergency action ........................................................................................47
9 Decommissioning and disassembly ..............................................................48
9.1 Decommissioning .........................................................................................48
9.2 Removing the valve from the pipeline ............................................................. 48
9.3 Removing the actuator from the valve ............................................................49
9.4 Disposal ......................................................................................................49
10 Appendix ....................................................................................................50
10.1 After-sales service ........................................................................................50
10.2 Certicates ..................................................................................................50
10.3 Spare parts .................................................................................................54