Table of contents
The information herein is correct at the time of issue but may be subject to change without prior notice
1. Declaration of conformity ............................................................................ 4
2. Introduction ............................................................................................ 5
3. Safety .................................................................................................... 6
3.1. Important information ............................................................................. 6
3.2. Warning signs ..................................................................................... 6
3.3. Safety precautions ................................................................................ 7
4. Installation .............................................................................................. 8
4.1. Unpacking/intermediate storage ................................................................ 8
4.2. Recycling .......................................................................................... 10
4.3. General installation ................................................................................ 11
4.4. Welding ............................................................................................ 12
5. Operation ............................................................................................... 15
5.1. Operation .......................................................................................... 15
5.2. Troubleshooting and repair ...................................................................... 16
5.3. Recommended cleaning ......................................................................... 17
6. Maintenance ........................................................................................... 19
6.1. General maintenance ............................................................................. 19
6.2. Dismantling of valve (excluding actuator) ....................................................... 22
6.3. Replacement of seal ring, tank plug ............................................................ 26
6.4. Replacement of seal ring, balanced plug ....................................................... 28
6.5. Valve reassembly (excluding actuator) .......................................................... 30
6.6. Dismantling of actuator ........................................................................... 42
6.7. Actuator re-assembly ............................................................................. 45
7. Technical data ......................................................................................... 46
7.1. Technical data ..................................................................................... 46
8. Parts list ................................................................................................ 49
8.1. Wear parts ......................................................................................... 49
8.2. Parts ............................................................................................... 51
8.3. Service kits ........................................................................................ 53
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