Model FBL & FBL-
FBL series, fixed horizontal blade louvers with 50mm blade spacing
are particularly suitable for smaller intake or exhaust applications
, where a balanced appearance is required when installed on external
walls. Constructed from extruded aluminium sections.
Each louver is fitted with a bird guard as standard, insects screens
also available. All flanged are supplied plain undrilled, fixing
details are as in exploded view diagrams.
Model FBL is supplied as standard with a 32mm wide
Model FBL–DC: A drip cill may be specified
as an optional extra.
Finishes available are :
Standard mill , polyester powder Coating or Anodized.
must be specified separately on all orders).
Minimum nominal size is 150 x 150mm. for the FBL and 300 x 300mm.
for the FBL- DC, up to a maximum single section of 1500mm x 1500mm.
Where the nominal louver height is not visible
by 50mm, the blade pitch will be adjusted accordingly. (This may
marginally affect the resultant free area).
Rear mounted stiffener bars are fitted as standard
to louvers over 1000mm.width.
The table shows typical performance data for 600mm x 600mm nominal size
Free Area : The face core area provides approximately
43% free area.
FBL External louvers are suitable for exhaust or intake
Available in sizes up to 1500 x 1500.