1
1.1
1.2
1.3
2
2.1
Nameplates .................................................................................................13
2.1.1
2.1.2
2.2
2.3
Material numbers .........................................................................................14
2.3.1
Type 2488 Valve ..........................................................................................14
2.3.2
Electric actuator ...........................................................................................14
3
3.1
Technical data .............................................................................................16
4
4.1
4.2
4.3
4.4
Storing the regulator ....................................................................................23
5
Assembly ....................................................................................................24
5.1
5.2
5.3
Additional fittings .........................................................................................26
6
6.1
Start-up .......................................................................................................28
6.1.1
Pipeline flushing ...........................................................................................28
6.1.2
Installing the valve ........................................................................................28
6.1.3
Pressure test .................................................................................................29
6.1.4
Leakage ......................................................................................................29
6.1.5
Mounting the actuator ..................................................................................30
6.1.6
6.1.7
6.1.8
Quick check ................................................................................................30
EB 3135-1 EN
Contents
3