
1
Contents
1 INTRODUCTION ......................................................................................................................................... 3
1.1 Symbols used..................................................................................................................................... 3
1.2 Descriptive notes............................................................................................................................... 4
1.3 Use..................................................................................................................................................... 4
1.4 Enclosed documentation................................................................................................................... 4
2 SAFETY WARNINGS.................................................................................................................................... 5
2.1 Foreseen use...................................................................................................................................... 5
2.2 Improper use ..................................................................................................................................... 5
2.3 Dangers arising from the use of the machine ................................................................................... 6
2.4 Particularly dangerous points............................................................................................................ 6
2.5 Potentially explosive atmosphere ..................................................................................................... 7
2.5.1 Marking...................................................................................................................................... 7
2.5.2 Temperature limits .................................................................................................................... 7
2.6 Maintenance warnings ...................................................................................................................... 8
2.6.1 Cleaning the machine ................................................................................................................ 8
2.6.2 Faults ......................................................................................................................................... 8
3 GUARANTEE............................................................................................................................................... 9
4 PUMP DESCRIPTION ................................................................................................................................ 10
4.1 General description of the machine................................................................................................ 10
4.2 Technical description of the machine ............................................................................................. 10
4.3 Mechanical seals .............................................................................................................................. 11
4.3.1 Single mechanical seal with external quench........................................................................... 11
4.3.2 Double flushed mechanical seal .............................................................................................. 12
5 TRANSPORTATION................................................................................................................................... 13
5.1 Transportation................................................................................................................................. 13
5.2 Receipt............................................................................................................................................. 13
5.3 Handling........................................................................................................................................... 13
6 INSTALLATION.......................................................................................................................................... 15
6.1 Pump preparation ........................................................................................................................... 15
6.2 Motor transmission couplings ......................................................................................................... 16
6.3 Changing the direction of rotation.................................................................................................. 16
6.4 Connection to the piping................................................................................................................. 17
6.5 Checks prior to start-up (!) .............................................................................................................. 18
6.6 Electrical connection ....................................................................................................................... 18
7 OPERATION.............................................................................................................................................. 20