Samson 42-36 E - Page 4

Contents
EB 3018 EN
7.1 Set point adjustment ....................................................................................7-2
7.2 Adjusting the ow rate ................................................................................7-3
7.2.1 DN15 to 50 ..............................................................................................7-3
7.2.2 DN65 to 100 ............................................................................................7-4
7.2.3 DN125 to 250 ..........................................................................................7-5
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 .............................................................9-7
9.2 Installing the regulator after service work ......................................................9-7
9.3 Service work...............................................................................................9-7
9.3.1 Replacing the actuator .................................................................................9-8
9.3.2 Replacing the seat and plug .........................................................................9-8
9.3.3 Replacing the actuator's operating diaphragm ..............................................9-8
9.3.4 Replacing the electric actuator ......................................................................9-9
9.4 Ordering spare parts and operating supplies ..............................................9-10
10 Decommissioning .....................................................................................10-1
11 Removal ..................................................................................................11-1
11.1 Removing the actuator from the valve .........................................................11-1
11.2 Removing the regulator from the pipeline ....................................................11-2
11.3 Removing the actuator from the valve .........................................................11-2
12 Repairs ....................................................................................................12-1
12.1 Returning devices to SAMSON ..................................................................12-1
13 Disposal ...................................................................................................13-1
14 Certicates ...............................................................................................14-1
14.1 Information on the UK sales region .............................................................14-1
15 Annex......................................................................................................15-1
15.1 Tightening torques .....................................................................................15-1
15.2 Lubricant ..................................................................................................15-1
15.3 Tools ........................................................................................................15-1
15.4 Spare parts ..............................................................................................15-2
15.4.1 Valve .......................................................................................................15-2
15.4.2 Actuator ...................................................................................................15-6
15.4.3 Electric actuator ........................................................................................15-7
15.5 After-sales service .....................................................................................15-7