Samson 3251 - Default Chapter; Table of Contents

Contents
EB 8052 EN
1 Safety instructions and measures ................................................................1-1
1.1 Notes on possible severe personal injury ......................................................1-6
1.2 Notes on possible personal injury ................................................................1-6
1.3 Notes on possible property damage .............................................................1-8
1.4 Notes on the use of an RFID tag .................................................................1-10
1.5 Warnings on the device .............................................................................1-10
2 Markings on the device ..............................................................................2-1
2.1 Valve nameplate .........................................................................................2-1
2.2 Actuator nameplate .....................................................................................2-2
2.3 Material identication number .....................................................................2-2
2.4 Label when an adjustable packing is installed ...............................................2-3
2.5 Optional RFID tag .......................................................................................2-3
3 Design and principle of operation ...............................................................3-1
3.1 Versions .....................................................................................................3-3
3.2 Additional ttings ........................................................................................3-3
3.3 Valve accessories ........................................................................................3-4
3.4 Technical data ............................................................................................3-4
4 Shipment and on-site transport ...................................................................4-1
4.1 Accepting the delivered goods .....................................................................4-1
4.2 Removing the packaging from the valve ........................................................4-1
4.3 Transporting and lifting the valve ..................................................................4-1
4.3.1 Transporting the valve .................................................................................4-2
4.3.2 Lifting the valve ...........................................................................................4-3
4.4 Storing the valve .........................................................................................4-5
5 Installation .................................................................................................5-1
5.1 Installation conditions ..................................................................................5-1
5.2 Preparation for installation ...........................................................................5-3
5.3 Mounting the device ....................................................................................5-4
5.3.1 Mounting the external anti-rotation xture .....................................................5-4
5.3.2 Mounting the actuator onto the valve ..........................................................5-14
5.3.3 Installing the valve into the pipeline ............................................................5-16
5.4 Testing the installed valve ...........................................................................5-17
5.4.1 Leakage ...................................................................................................5-18
5.4.2 Travel motion ............................................................................................5-18
5.4.3 Fail-safe position .......................................................................................5-19
5.4.4 Pressure test ..............................................................................................5-19