free, valvole di non ritorno comp no codice descrizione a n valvola needle-free disinfettabile a y per tubo -pc+silicone a n valvola needle-free disinfettabile llm/llf - pc+silicone a n valvola needle-free disinfett. tubo - (n ) (n )-pc+silic. a n valvola needle-free disinfett. tubo deriv. , -pc+silicone...
. the - automatically stops closing process, should closing process causes system pressure rise. thus providing an "abs" closing characteristics. trouble-shooting . valve fails to open: check: inlet pressure to be above hp pilot setting, power supply to solenoid & coil not burnt and cock & needle valves...
enabling pressure to accumulate in the upper control chamber, causing the main valve to throttle, thereby sustaining differential pressure at the pilot setting. should differential pressure rise above pilot setting, the pilot releases accumulated pressure causing the main valve to modulate open. the needle...
pressure fall below pilot setting, the pilot releases accumulated pressure causing the main valve to modulate open. should the solenoid close, pressure in the upper control chamber accumulates causing the main valve to shut off. normally closed, normally open and last position models are available. the needle...
accumulated pressure to the main valve outlet through the held open pr pilot [ ] causing the main valve to modulate open. should opening the main valve cause downstream pressure to rise above pr pilot setting, the pilot closes, causing the main valve to throttle closed, reducing downstream pressure. the needle...