What is full automatic control valve of the fire prevention that prevent smoke
From;    Author:Stand originally
Utility
What application asks at having fire prevention is ventilated the canal of wind of the level that wear a wall with air conditioning system and cross floor on perpendicular wind conduit, when producing fire, actuator is in lukewarm feeling implement movement, shut the door to be shut automatically, output 24V power source or hand move control center to close valve, prevent canal of wind of igneous situation edge to spread, often leave at ordinary times, (control valve of the fire prevention that prevent smoke holds concurrently have function of wind force adjustment) (but make it explosion proof, pneumatic)
● function characteristic
(1) valve is in at ordinary times often open position, when air current temperature achieves 70 ℃ , lukewarm feeling implement movement, valve is shut;
(2) can make through DC24V power source valve is shut;
(3) the hand is moved shut or the hand moves restoration;
(4) the hand inside 90 ° limits moves 0 ° ~ adjust blade open is spent;
(5) output valve shuts signal, but as interlocking as equipment of other fire prevention.

This series product has: А of Shen of Gu of Lu of late of Tan of Lao of far  of  of ⑷ of А of Chi of Tan Lan of Lao of far  of  of ⑷ of А of Shen of Gu of Lu of Tan Lan of Lao of ⒎ of А of Chi of Tan Lan of Lao of ⒎ of А of Shen of Gu of Lu of late of ⒎ of А of Chi of late of any of several hot spice plants of faint of calamity of ⒆ of late Chi А ?