3 3 3 4 4 4 5 5 5 10 10 10 10 20 20 20 20 30 30 30 30 40 40 40 40 50 50 50 50 0,5 0,5 0,5 0,5 1 1 1 2 2 2 3 3 3 4 4 4 5 5 5 10 10 10 10 [l/min] [l/min] [l/min] [l/min] flow pressure flow pressure flow pressure flow pressure in [bar] in [bar] in [bar] in [bar] flow flow flow flow volume volume volume volume – – – free drain free drain free drain free drain 8,7 8,7 8,7 8,7 17 17 17 17 23 23 23 23 27 27 27 27 valve rotations valve rotations valve rotations valve rotations Flow volume diagramm Flow volume diagramm Flow volume diagramm Flow volume diagramm SCHELL SCHELL SCHELL SCHELL- - -Angel Angel Angel Angel Valves Valves Valves Valves 1/2” 1/2” 1/2” 1/2” also in also in also in also in throttled status noise control class throttled status noise control class throttled status noise control class throttled status noise control class I I I 1/2 1/2 1/2 1/2 1 1 1 2 2 2 3 3 3 ! exemplar exemplar exemplar exemplar: : : : flow pressure flow pressure flow pressure flow pressure 3 bar 3 bar 3 bar 3 bar