Contents
EB 2512 EN
6.1 Starting up the plant ....................................................................................6-2
6.1.1 Regulation of liquids ....................................................................................6-2
6.1.2 Regulation of steam .....................................................................................6-2
7 Operation ..................................................................................................7-1
7.1 Adjusting the set point .................................................................................7-1
8 Malfunctions ..............................................................................................8-1
8.1 Troubleshooting ..........................................................................................8-1
8.2 Emergency action .......................................................................................8-3
9 Servicing....................................................................................................9-1
9.1 Preparing the valve for service work .............................................................9-4
9.2 Installing the regulator after service work ......................................................9-4
9.3 Service work...............................................................................................9-4
9.3.1 Replacing the actuator .................................................................................9-5
9.3.2 Replacing the set point springs .....................................................................9-6
9.3.3 Replacing the seat and plug .........................................................................9-7
9.3.4 Replacing the operating diaphragm .............................................................9-7
9.4 Ordering spare parts and operating supplies ................................................9-8
10 Decommissioning .....................................................................................10-1
11 Removal ..................................................................................................11-1
11.1 Removing the valve from the pipeline ..........................................................11-1
11.2 Removing the actuator from the valve .........................................................11-1
12 Repairs ....................................................................................................12-1
12.1 Returning devices to SAMSON ..................................................................12-1
13 Disposal ...................................................................................................13-1
14 Certicates ...............................................................................................14-1
15 Annex......................................................................................................15-1
15.1 Tightening torques .....................................................................................15-1
15.2 Lubricant ..................................................................................................15-1
15.3 Tools ........................................................................................................15-1
15.4 Accessories ..............................................................................................15-1
15.5 Spare parts ..............................................................................................15-2
15.6 After-sales service .....................................................................................15-4