EN 15650:2010 Ventilation for buildings-Fire dampers.
EN 15650:2010 建筑通风，防火挡板
From the 1st July 2013, CE marking of fire resistant ducting will become mandatory. Under European directive 93/68/EC, all fire protection products that are approved under an EN Product standard must comply with this requirement.
...EN 15650:2010 Ventilation for buildings-Fire dampers.
EN 15650:2010 建筑通风，防火挡板
From the 1st July 2013, CE marking of fire resistant ducting will become mandatory. Under European directive 93/68/EC, all fire protection products that are approved under an EN Product standard must comply with this requirement.
...EN 15650:2010 Ventilation for buildings-Fire dampers.
EN 15650:2010 建筑通风，防火挡板
From the 1st July 2013, CE marking of fire resistant ducting will become mandatory. Under European directive 93/68/EC, all fire protection products that are approved under an EN Product standard must comply with this requirement.
...