16 Know How ................................................................................................................................................... 28
16.1 Selecting valve type and nominal diameter.......................................................................................... 28
16.2 Selecting rated pressure and valve material ........................................................................................ 28
16.3 Selecting the setting range................................................................................................................... 28
16.4 Selecting elastomer materials .............................................................................................................. 28
16.5 Flow velocity......................................................................................................................................... 29
16.6 Sense line (control line)........................................................................................................................ 29
16.7 Protecting your system......................................................................................................................... 29
16.8 Protecting the back pressure regulator ................................................................................................ 29
16.9 Valve seat leakage............................................................................................................................... 29
16.10 Cut-off .................................................................................................................................................. 29
16.11 Stellited seat and cone......................................................................................................................... 30
16.12 Leakage line......................................................................................................................................... 30
16.13 Mounting position ................................................................................................................................. 30
16.14 Start-up ................................................................................................................................................ 30
16.15 Steam operation................................................................................................................................... 30
16.16 Setting the pressure ............................................................................................................................. 30
16.17 Maintenance......................................................................................................................................... 30
16.18 Valves free of oil and grease or silicone .............................................................................................. 30
17 Declaration of conformity / Konformitätserklärung ................................................................................ 31
UV 5.1 ATEX H2-4.X.22.5 Stand 21.12.2022
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