How to distinguish between fire damper and electric fire damper

- Nov 02, 2017-

Usually the main fire valve: fusible tube fuse action, the signal back, manual action, manual reset characteristics, ventilation system in the duct through the fire partition, through the room, etc. compared to GM, when the air temperature in the pipeline more than seven Ten degrees, off the end of the meeting initiative.

Electric fire dampers are: easy to melt fuse operation, the signal back, manual action, the characteristics of manual reset, in the smoke, ventilation dual function of the local general comparison, ventilation pipe effect in the usual circumstances, When the fire attack, the fire alarm system through the linkage, the fire valve makes the corresponding open may be closed, then the effect of exhaust pipe ducts played.