ALFA LAVAL UNIQUE SSV STANDARD VALVE INSTRUCTION MANUAL—REV 3/19
Table of contents
The information herein is correct at the time of issue but may be subject to change without prior notice
1. EC Declaration of Conformity ....................................................................... 4
2. Safety .................................................................................................... 5
2.1. Important information .............................................................................
5
2.2. Warning signs .....................................................................................
6
2.3. Safety precautions ................................................................................
7
3. Installation .............................................................................................. 9
3.1. Unpacking/delivery ...............................................................................
9
3.2. General installation ................................................................................
11
3.3. Welding ............................................................................................
14
3.4. Recycling information .............................................................................
15
4. Operation ............................................................................................... 16
4.1. Operation ..........................................................................................
16
4.2. Troubleshooting ...................................................................................
18
4.3. Recommended cleaning .........................................................................
19
5. Maintenance ........................................................................................... 21
5.1. General maintenance .............................................................................
21
5.2. Dismantling the valve .............................................................................
23
5.3. Plug seat ring replacement ......................................................................
25
5.4. Valve assembly ....................................................................................
27
5.5. Actuator types ....................................................................................
28
5.6. Actuator bushing replacement (non-maintainable actuator) ..................................
29
5.7. Dismantling of f ully maintainable actuator (removable yoke with bolts/2006-June 2016) .
34
5.8. Dismantling of fully maintainable actuator (yoke without bolts/June 2016 -> ) .............
35
5.9. Mounting of fully maintainable actuator .........................................................
35
5.10.Changing pneumatic movement on fully maintainable actuator (NC/NO) ...................
36
6. Technical data ......................................................................................... 37
6.1. Technical data .....................................................................................
37
7. Parts list and Service Kits ........................................................................... 39
7.1. Drawing - Standard TR2 and Elastomer ........................................................
39
7.2. Unique SSV TR2 - shut-off valve ................................................................
40
7.3. Unique SSV TR2 - change-over-Valve ..........................................................
42
7.4. Unique SSV Elastomer plug seal - shut-off valve ..............................................
44
7.5. Unique SSV Elastomer plug seal - change-over-Valve ........................................
46
7.6. Drawing - Reverse Acting TR2 ..................................................................
49
7.7. Unique SSV - Reverse Acting - TR2 - shut-off valve ..........................................
50
7.8. Unique SSV - Reverse Acting - TR2 - change-over valve ....................................
52
7.9. Unique SSV maintainable actuator ..............................................................
54
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