4 …56
MC • Edition 04.19 • No
. 278 349
4. Table of contents
1. Target group
1
2. Warnings
1
2.1 General warnings
1
2.2 Designated use
2
2.3 Risks in case of misuse
2
3. Approval/EU Declaration of conformity
2
4. Table of contents
4
5. List of abbreviations
5
6. Features
6
6.1 Technical data
6
6.2 Nomenclature
7
6.3 Adjustment ranges
7
6.4 Accuracy class / lock-up pressure class
8
6.5 Selection of regulator springs
9
6.6 Selection of SAV springs
9
6.7 Type plate
10
7. Function
11
8. Dimensions
12
9. Installation
14
9.1 General information
14
9.2 Installation instructions
15
9.3 Torque
15
10. Function integrated SAV
16
11. Setting
18
11.1 Regulator setting
18
11.2 SAV setting
19
11.3 Calculation example of set values
20
11.4 Replacement of regulator springs
21
11.5 Replacement of SAV springs
23
11.5.1 Spring exchange W
dso
23
11.5.2 Spring exchange W
dsu
23
12. Commissioning and decommissioning
24
12.1 General information
24
12.2 Leakage test
24
12.3 Commissioning / unlocking / control of the set values
25
12.4 Recommissioning
27
12.5 Decommissioning
27
13. Faults and their causes
27
14. Maintenance
29
14.1 General information
29
14.2 Maintenance instructions of the regulator
31
14.2.1 Preparation
31
14.2.2 Replacement of the working diaphragm
31
14.2.3 Replacement of the control plate / valve seat
35
14.2.4 Replacement of the compensation membrane
37
14.2.5 Replacement closing part SAV
38
14.3 Maintenance instructions of the SAV
40
14.3.1 Preparation
40
14.3.2 Removal of the ASE from the housing
40
14.3.3 Mounting of the ASE on the housing
41
14.4 Required tools
42
14.5 Leakage test
44
14.6 Recommended maintenance intervals
44
15. Spare parts
45
15.1 List of spare parts of the regulator
46
15.2 List of spare parts of the SAV
47
15.3 Storage conditions
48
16. Flow volume tables
49
16.1 Natural gas flow volume table
49
16.2 Air flow volume tables
50
16.3 Valve flow volume coefficient
K
G
52
