DataSheet FGS201811 en GB
Table Of Contents
Rectangular Fire Dampers | 1 / 8
Description
Air transfer grille FGS - type MMS represent
passive re protection, designed with the help of
compartmentalization to prevent the spread of toxic
gases, smoke and re.
FGS - re resistant and cold smoke control mechanical air
transfer grille (type MMS) are designed and certied
in accordance with EN 1364-1 and ETAG 026 part 4,
classied according to EN 13501-2. Cold smoke leakage
has been classied as S
a
= 238 m
3
/(h · m
2
) at 25 Pa
according to EN 1364-5 and ETAG 026 Part 4.
FGS air transfer grilles are intended to be embedded into
re partition walls without ductwork. Air transfer grilles
together with its installation form an inseparable part of
re resistivity rating. Their installation is described
in the User Manual of the FGS air transfer grille. FGS air
transfer grilles can be delivered with either a manual
activation or with an actuator.
Highlights
• Suitable for overpressure ventilation
• Easy Installation with frame always included
in the package
• Inspection and testing through the front panel
• Slim prole
• No need to insulate a thicker wall
• Free area above standard
• Wall hidden cables; connection through connector
Product Types
• Manually-operated FGS
By default, all manually operated air transfer grilles
are supplied with manual control, optionally with micro
switches. In case of re, the air transfer grille is closed
automatically after melting of the thermal fuse.
After the closing of the grille, the blades are
mechanically locked in the closed position and can only
be opened manually. Actuating mechanism is activated
when the temperature of the air reaches 74°C and the
grille closes within 10 seconds after melting of the fuse.
• Actuator-operated FGS
By default, all actuator operated air transfer grilles are
supplied with actuator with micro switches, optionally
with power and communication unit. Air transfer grille
can be equipped with a spring return actuator
which closes the damper after the command
from the building management system, or after
breaching of the thermoelectric fuse.
Actuator controlled air transfer grilles are standardly
equipped with thermoelectric fuse, that activates the
closing of the damper after reaching or exceeding
of ambient temperature of 72 °C. Actuator power circuit
is interrupted and its spring closes the air transfer grille
blades within 20 seconds.