DHV 525 en
V3.0 III
Content
Imprint............................................................................................. 2
1 General ........................................................................................... 4
1.1 Introduction ......................................................................................4
1.2 Using this Paper ..............................................................................4
1.3 Warranty ..........................................................................................4
2 Safety Instructions .......................................................................... 4
2.1 Application of the Product ................................................................4
2.2 Obligations of the Operating Authority .............................................4
2.3 Averting Dangers .............................................................................5
3 General description ........................................................................ 5
3.1 Function ...........................................................................................5
3.2 Ambient and Operating Conditions ..................................................5
3.3 Admissible Media ............................................................................5
4 Technical Data ................................................................................ 6
4.1 Pressure Loading Valves DN 4 and DN 8 .......................................6
4.2 Pressure Loading Valves DN 20 .....................................................8
4.3 Pressure Loading Valves DN 32 ...................................................10
4.4 Pressure Loading Valves DN 50 and DN 65 .................................12
5 Installation .................................................................................... 13
5.1 Picture of optimal installation: ........................................................14
5.2 Connections ...................................................................................14
6 Setting of Opening Pressure ........................................................ 15
6.1 General ..........................................................................................15
6.2 Setting Instructions for Opening Pressure .....................................16
7 Possible Faults ............................................................................. 16
8 Maintenance ................................................................................. 17
8.1 Intervals for Cleaning and Maintenance ........................................17
8.2 Replacing the Diaphragm ..............................................................17
9 Spare Parts and Accessories ....................................................... 17
9.1 Adapter for installation directly on the pump .................................17
9.2 Set of counter flanges for Pressure Loading Valves DN 32
and DN 65 .....................................................................................18
9.3 Spare Parts for Pressure Loading Valves .....................................18
