ContentsEB 3018 EN1 Safety instructions and measures ................................................................1-11.1 Notes on possible severe personal injury ......................................................1-51.2 Notes on possible personal injury ................................................................1-61.3 Notes on possible property damage .............................................................1-82 Markings on the device ..............................................................................2-12.1 Valve nameplate .........................................................................................2-12.2 Actuator nameplate.....................................................................................2-12.3 Nameplate of the electric actuator ................................................................2-22.4 Location of the nameplates ..........................................................................2-22.5 Material identification number .....................................................................2-22.5.1 Type 2423 Valve .........................................................................................2-22.5.2 Type 2426 Actuator ....................................................................................2-22.5.3 Electric actuator ..........................................................................................2-23 Design and principle of operation ...............................................................3-13.1 Additional fittings........................................................................................3-53.2 Technical data ............................................................................................3-64 Shipment and on-site transport ...................................................................4-14.1 Accepting the delivered goods .....................................................................4-14.2 Removing the packaging from the regulator ..................................................4-14.3 Transporting and lifting the regulator ............................................................4-24.3.1 Transporting the regulator ............................................................................4-24.3.2 Lifting the regulator .....................................................................................4-34.4 Storing the regulator ...................................................................................4-45 Installation .................................................................................................5-15.1 Installation conditions ..................................................................................5-15.2 Preparation for installation ...........................................................................5-35.3 Installation..................................................................................................5-55.3.1 Installing the regulator .................................................................................5-65.3.2 Cleaning the pipeline ..................................................................................5-75.4 Testing the regulator ....................................................................................5-85.4.1 Leak test .....................................................................................................5-95.4.2 Pressure test ................................................................................................5-95.5 Insulation .................................................................................................5-106 Start-up .....................................................................................................6-16.1 Start-up and putting the device back into operation .......................................6-26.2 Starting up the plant....................................................................................6-2