Table of content Kracht GmbH
ii 88025420002-17
Table of content
1 General ........................................................................................................................................ 4
1.1 About the documentation............................................................................................................................ 4
1.2 Manufacturer address .................................................................................................................................... 4
1.3 Other applicable documents....................................................................................................................... 4
1.4 Symbols................................................................................................................................................................ 5
2 Safety........................................................................................................................................... 6
2.1 Intended use ...................................................................................................................................................... 6
2.2 Personal qualification..................................................................................................................................... 6
2.3 Basic safety instructions ................................................................................................................................ 7
2.4 Fundamental hazards ..................................................................................................................................... 7
3 Device description...................................................................................................................... 9
3.1 Functional principle......................................................................................................................................... 9
3.2 Basic design........................................................................................................................................................ 10
3.3 Type key............................................................................................................................................................... 11
3.4 Special numbers ............................................................................................................................................... 12
4 Technical data............................................................................................................................. 14
4.1 General................................................................................................................................................................. 14
4.2 Nominal sizes..................................................................................................................................................... 15
4.3 Connection sizes............................................................................................................................................... 15
4.4 Flow resistance ∆p........................................................................................................................................... 17
4.4.1 Ball bearing version ..................................................................................................................... 17
4.4.2 Plain bearing version................................................................................................................... 19
4.5 Operating pressure.......................................................................................................................................... 21
4.6 Permissible temperature range .................................................................................................................. 22
4.7 Material data...................................................................................................................................................... 23
4.8 Weight.................................................................................................................................................................. 23
4.9 Dimensions......................................................................................................................................................... 24
5 Transport and storage ............................................................................................................... 25
5.1 General................................................................................................................................................................. 25
5.2 Transport............................................................................................................................................................. 25
5.3 Storage................................................................................................................................................................. 25
5.4 Storage conditions .......................................................................................................................................... 26
6 Installation .................................................................................................................................. 27
6.1 Safety instructions for installation............................................................................................................. 27
6.2 Mechanical installation .................................................................................................................................. 29
6.2.1 Preparation...................................................................................................................................... 29
6.2.2 Plate connection ........................................................................................................................... 29
6.2.3 pipe connection ............................................................................................................................ 31
