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MOVABLE BLADE LOUVRES
louvre07.jpg (13678 bytes) MOVABLE  BLADE LOUVRES (MBL) are suitable for supply and extract and providing a means of volume control. Fully open, the blades, with integral rain lip, are at 45 deg with a 100mm pitch and flanges are 32mm. Blades are manually operated from the rear as standard. Manual front operated and electronic actuators are available.
MBL louvres are manufactured from extruded aluminium sections, the mitred corners being fully welded. All pivots on both blades and link bars rotate in nylon bearings. Mill finish is standard but they can be either stove enamelled or polyester powder coated to any standard colour.
MBL/MR MBL/MF MBL/EM
Louvre blades manually operated from the rear. (Standard) louvre08.jpg (3926 bytes) Louvre blades manually operated from the front. louvre09.jpg (3703 bytes) Louvre blades electrically operated (only available on louvres over 300mm high). louvre10.jpg (4670 bytes)

Dimensions                                                 A = Opening/Duct size

louvre11.jpg (7713 bytes)
Louvres are manufactured in one piece units up to 1500mm square. Louvres of a larger size can be made by the use of multiple units with vertical and horizontal supports required.

Movable  Blade Louvres (MBL)
Performance Data