Protect lives and property with the NITTO KOHKI N-78B smoke release for swing doors. Upon button activation, doors securely close to prevent smoke and fire propagation. Essential for building safety systems. Explore N-78B features.
ㆍThis automatic closing device is used when there is a wall that can catch the fire door in theopen position.
ㆍThe hook is released when electricity is applied, releasing the fire door.
ㆍWhen operated manually, the fire door can be closed simply by pulling the fire door handle.
ㆍComes with a device to prevent re-locking.
The minimum door (DW) size is 300mm or more. (The minimum installation position of the door hook is 2000mm or more from the door axis.)
Protect lives and property with the NITTO KOHKI N-78B smoke release for swing doors. Upon button activation, doors securely close to prevent smoke and fire propagation. Essential for building safety systems. Explore N-78B features.
ㆍThis automatic closing device is used when there is a wall that can catch the fire door in theopen position.
ㆍThe hook is released when electricity is applied, releasing the fire door.
ㆍWhen operated manually, the fire door can be closed simply by pulling the fire door handle.
ㆍComes with a device to prevent re-locking.
The minimum door (DW) size is 300mm or more. (The minimum installation position of the door hook is 2000mm or more from the door axis.)
