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Contents

EB 8026 EN 3

1 Safety instructions and measures ...................................................................5

1.1 Notes on possible severe personal injury .........................................................8

1.2 Notes on possible personal injury ...................................................................8

1.3 Notes on possible property damage ................................................................9

2 Markings on the control valve ......................................................................12

2.1 Valve nameplate ..........................................................................................12

2.2 Actuator nameplate ......................................................................................13

2.3 Material number ..........................................................................................13

3 Design and principle of operation ................................................................14

3.1 Fail-safe positions ........................................................................................14

3.2 Versions ......................................................................................................16

3.3 Technical data .............................................................................................16

4 Measures for preparation ............................................................................20

4.1 Unpacking ..................................................................................................20

4.2 Transporting and lifting ................................................................................20

4.2.1 Transporting ................................................................................................21

4.2.2 Lifting ..........................................................................................................21

4.3 Storage .......................................................................................................22

4.4 Preparation for installation ............................................................................23

5 Mounting and start-up ................................................................................. 24

5.1 Mounting the actuator onto the valve .............................................................24

5.2 Installing the valve into the pipeline ...............................................................25

5.2.1 Checking the installation conditions ...............................................................25

5.2.2 Additional ttings .........................................................................................26

5.2.3 Installing the control valve ............................................................................. 28

5.3 Quick check ................................................................................................29

6 Operation ...................................................................................................30

6.1 Working in manual mode .............................................................................30

7 Servicing.....................................................................................................32

7.1 Replacing the gasket ....................................................................................33

7.1.1 Standard version..........................................................................................33

7.1.2 Version with insulating section or bellows seal ................................................35

Samson 3244 Operating Instructions

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