Fully automatic balance non pressure damper, and electric non pressure damper has many advantages

  Fully automatic balanced non pressure damper @ electric non pressure damper has many advantages
Zui's early steel wire rope locking device: the manufacturing cost is low, and the materials used are very common, such as steel wire rope, pulley and bucket
The process is simple, and basically no maintenance is required
The interlocking device only needs to drill holes and fix it on one side of the tunnel in the middle of the damper
When the damper is damaged or needs maintenance for other reasons, the interlocking rope can be loosened
After the maintenance of the damper is completed, Just put the two inner pipes back to the original corresponding positions, and the air valve interlock is effective

Disadvantages: the effective stroke is short
If the distance between the two dampers is too long, the interlocking effect will not be very good when using this type of device
Sometimes the damper interlocking is not reliable
The steel wire rope has certain elastic characteristics
Opening and closing the damper for a long time will cause the steel wire rope to lengthen and deform
When the effective length of the steel wire rope is greater than the straight-line distance between the dampers, if the workers operate against rules when transporting through the dampers, there will be a phenomenon that two dampers will be opened at the same time, causing a short circuit of air flow, affecting the ventilation system and endangering the ventilation safety of the affected workplace, Since the steel wire rope will be worn when the damper is opened and closed regularly, once the rope is damaged or broken, the locking device must be replaced, which has low economic value

Current electric control device: the effective travel can reach 20 meters, and Zui is an advanced infrared sensing system, which can flexibly and sensitively sense the arrival of people or vehicles, and transmit the signal to the host
The host sends the function of opening the damper, and then carries out power push through the telescopic cylinder to open the damper
The opening time of the damper is adjusted
When you hear the alarm sound that the damper has been opened, please pass in time, you can go in and out freely
Advantages: convenient and fast
Disadvantages: the price must be much more expensive than steel wire rope