Contents
EB 8823 EN
3
1
Safety instructions and safety measures
.........................................................5
1.1
Notes on possible severe personal injury
.........................................................
7
1.2
Notes on possible personal injury
...................................................................
7
1.3
Notes on possible property damage
................................................................9
2
Markings on the control valve
......................................................................10
2.1
Valve nameplate
..........................................................................................
10
2.2
Actuator nameplate
......................................................................................
11
2.3
Material number
..........................................................................................
11
3
Design and principle of operation
................................................................12
3.1
Fail-safe positions
........................................................................................
14
3.2
Technical data
.............................................................................................
15
4
Preparation
.................................................................................................20
4.1
Unpacking
..................................................................................................
20
4.2
Transporting and lifting
................................................................................
20
4.2.1
Transporting
................................................................................................
21
4.2.2
Lifting
..........................................................................................................
21
4.3
Storage
.......................................................................................................
23
4.4
Preparation for installation
............................................................................
24
5
Mounting and start-up
.................................................................................26
5.1
Mounting the actuator onto the valve
.............................................................
26
5.2
Installing the valve into the pipeline
...............................................................
26
5.2.1
Checking the installation conditions
...............................................................
26
5.2.2
Additional fittings
.........................................................................................
28
5.2.3
Installing the control valve
.............................................................................
28
5.3
Quick check
................................................................................................
29
6
Operation
...................................................................................................30
6.1
Reversing the flow direction
..........................................................................
30
7
Maintenance
...............................................................................................32
7.1
Standard version
..........................................................................................
33
7.1.1
Replacing the O-rings
..................................................................................
33
7.1.2
Replacing the packing
..................................................................................
36
7.1.3
Replacing the seat and plug
..........................................................................
38
7.1.4
Tools and tightening torques
..........................................................................
39
Содержание 3525
Страница 19: ...EB 8823 EN 19...
Страница 25: ...EB 8823 EN 25...
Страница 31: ...EB 8823 EN 31...
Страница 51: ...EB 8823 EN 51...