1
1.1
1.2
1.3
2
2.1
Valve nameplate .........................................................................................2-1
2.2
Actuator nameplate .....................................................................................2-2
2.3
2.4
2.4.1
Type 2421 RS Valve ....................................................................................2-2
2.4.2
3
3.1
Additional fittings ........................................................................................3-4
3.2
Technical data ............................................................................................3-5
4
4.1
4.2
4.3
4.3.1
4.3.2
Lifting the regulator .....................................................................................4-3
4.4
Storing the regulator ...................................................................................4-4
5
Installation .................................................................................................5-1
5.1
5.2
5.3
Installation ..................................................................................................5-5
5.3.1
5.3.2
Cleaning the pipeline ..................................................................................5-6
5.4
Testing the regulator ....................................................................................5-6
5.4.1
Leak test .....................................................................................................5-7
5.4.2
Pressure test ................................................................................................5-7
5.5
Proof testing ...............................................................................................5-7
5.6
Insulation ...................................................................................................5-8
6
Start-up .....................................................................................................6-1
6.1
6.2
Starting up the plant ....................................................................................6-2
6.2.1
Regulation of steam .....................................................................................6-2
6.2.2
Regulation of liquids ....................................................................................6-2
EB 3009 EN
Contents