Manual alarm without power supply,but can provide an effective alarm in the place that without power supply.Simply shake the handle clockwise through artificial hand,speed arrive junior (50-80 rev / m
Induction sense range is 5-25meter (16.6 feet to 83.3 feet) 0.5meter accuracy Audiable, visual warning
ZSFW model deluge alarm valve adopted the principle of diagragm and non-return, when the pipeline pressure which around diaphragm reach to balance, diaphragm will be in a closed position, when water s
ZSFG model deluge valve is a one-way which via electric, engine or other ways to open, and make waterflow into sprinkler systems and meanwhile start to alarm.
