
ALFA LAVAL UNIQUE SSV ASEPTIC 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 ............................................................................................ 13
3.4. Recycling information ............................................................................. 14
4. Operation ............................................................................................... 15
4.1. Operation .......................................................................................... 15
4.2. Troubleshooting ................................................................................... 17
4.3. Recommended cleaning ......................................................................... 18
5. Maintenance ........................................................................................... 20
5.1. General maintenance ............................................................................. 20
5.2. Dismantling of valve .............................................................................. 22
5.3. Dismantling change-over valve .................................................................. 25
5.4. Plug seal replacement ............................................................................ 32
5.5. Assembly of shut-off valve ....................................................................... 35
5.6. Assembly of change-over valve ................................................................. 41
5.7. Actuator types .................................................................................... 52
5.8. Actuator bushing replacement (non-maintainable actuator) .................................. 53
5.9. Dismantling of fully maintainable actuator (removable yoke with bolts/2006-June 2016) . 58
5.10.Dismantling of fully maintainable actuator (yoke without bolts/June 2016 -> ) ............. 59
5.11.Mounting of fully maintainable actuator ......................................................... 59
5.12.Changing pneumatic movement on fully maintainable actuator (NC/NO) ................... 60
6. Technical data ......................................................................................... 61
6.1. Technical data ..................................................................................... 61
7. Parts list and Service Kits ........................................................................... 62
7.1. Unique SSV Aseptic Valve ....................................................................... 62
7.2. Unique SSV Aseptic Valve - shut-off ............................................................ 64
7.3. Unique SSV Aseptic Valve - Change-over ...................................................... 66
7.4. Maintainable actuator ............................................................................ 68