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Contents

EB 3018 EN

1 Safety instructions and measures ................................................................1-1

1.1 Notes on possible severe personal injury ......................................................1-5

1.2 Notes on possible personal injury ................................................................1-6

1.3 Notes on possible property damage .............................................................1-8

2 Markings on the device ..............................................................................2-1

2.1 Nameplate on valve and actuator ................................................................2-1

2.2 Nameplate of the electric actuator ................................................................2-2

2.3 Location of the nameplates ..........................................................................2-2

2.4 Material identication number .....................................................................2-2

2.4.1 Type2423 Valve .........................................................................................2-2

2.4.2 Type2426 Actuator ....................................................................................2-2

2.4.3 Electric actuator ..........................................................................................2-2

3 Design and principle of operation ...............................................................3-1

3.1 Additional ttings ........................................................................................3-5

3.2 Technical data ............................................................................................3-6

4 Shipment and on-site transport ...................................................................4-1

4.1 Accepting the delivered goods .....................................................................4-1

4.2 Removing the packaging from the regulator ..................................................4-1

4.3 Transporting and lifting the regulator ............................................................4-2

4.3.1 Transporting the regulator ............................................................................4-2

4.3.2 Lifting the regulator .....................................................................................4-3

4.4 Storing the regulator ...................................................................................4-4

5 Installation .................................................................................................5-1

5.1 Installation conditions ..................................................................................5-1

5.2 Preparation for installation ...........................................................................5-2

5.3 Installation ..................................................................................................5-5

5.3.1 Installing the regulator .................................................................................5-6

5.3.2 Cleaning the pipeline ..................................................................................5-7

5.4 Testing the regulator ....................................................................................5-7

5.4.1 Leakage .....................................................................................................5-8

5.4.2 Pressure test ................................................................................................5-9

5.5 Insulation .................................................................................................5-10

6 Start-up .....................................................................................................6-1

6.1 Start-up and putting the device back into operation .......................................6-2

6.2 Starting up the plant ....................................................................................6-2

7 Operation ..................................................................................................7-1

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