This standard sets the performance requirements for fire and smoke door holder and/or release devices. They shall be examined for their ability to keep a fire or smoke door in the open position by either electromechanical or electromagnetic means until such time that the unit(s) receive a signal from an external source such as a product of combustion device or a simulated alarm signal meant to test the system.
This standard is not intended to be used to determine when or where door holder and/or release devices are used nor is it intended to be used to determine the type of detection devices to be used or where such detection devices are located.
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| Note : | This product is unavailable in Ukraine, Belarus, Russia |
| Number of Pages : | 19 |
| Published : | 04/01/2013 |
