Used in water mist systerm for fire suppression,middle-low operating pressure ... suitable for classA/B fire,cable fire Descripting:Used in water mist systerm for fire suppressionMiddle-low operating pressure (0 ... (Dv 0.99 ≤ 400um)Large coverage, even distribution of spray dropsSuitable for class A, class B fireSpray pattern, full coneSpray ... pressure: 08-3.5 Mpa middle-low pressure water mist nozzle