Standards of automatic fire doors & shutters

According to the Notice No. 232 - 2005 the Ministry of Construction and Transportation in Korea

 

Our product is adjusted to EU standard.
We meets 'EU standard' following regarding breaks.
At the moment that brake is energized to release, de-energized to brake and in a fire condition the solenoid is operated and presses a leaver that manually releases the brake. To comply with the latest legislation, the brake should be energized to hold, de-energized to release and the solenoid will not be required. All other functions including the controlled descent should remain the same.
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