The wangqingtuo Industry Park of the wuqing,city of Tianjin.
022-58699758, 022-58699757
1. Application Pressure switch also named as pressure relay, it usually installs
on the signal channel between alarm valve to waterpower alarm with
electric alarm and startup the water pump. It is an auxiliary
warning device which can not replace waterpower alarm. 2. Structural principle After the automatic sprinkler fire fighting system is launched, the
hydraulic pressure of pipeline achieve startup pressure of pressure
switch, the points of contact will automatically disconnection or
close, it will convert water pressure wave into electrical signal
and send to central fire control room or send out electric signal
directly to open the water pump and alert. 3. Capability parameter
4. Figure size |
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