Cut-off fire damper EI120

ZIPP - Circular cut-off dampers are used to install a ventilation system in buildings along with spiral ducts at the finished ends of the installation that cross fire walls or partitions. The cut-off dampers stops the spread of fire and smoke into the duct system. Cut-off dampers of this type may be used as cut-off elements for air inlets, in which case they shall be installed without a duct system. Fire cut-off dampers may also be used to supply fresh air to rooms where smoke extraction is carried out. ZIPP-type dampers can be installed in walls or ceilings, in hard or soft structures. The ZIPP damper has a manual start mechanism and automatic actuation when the temperature rises to 74ºC. The fire resistance is EI120 (ve, ho o -> i) S, EI120 (ve, i -> o) S, EI180 (ve, o -> i) S. The damper exterior is painted in RAL 9010 color.