aluminum ventilation grill / steel / square
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Characteristics

  • Material:

    aluminum, steel

  • Shape:

    square

Description

Best suited to positioning in ceilings, walls or on ductwork.
Fixed blade grilles use blades which are fixed at either 0°, 15° or 45°.
Specified with 0° blades, the high free area and aerodynamic blade design make this a very effective extract unit with minimal noise generation and pressure drops. Should you not require an adjustable throw, fixed blade grilles will often give a tidier appearance than single deflections since the blades cannot be set at different angles to each other.
Materials:
Extruded aluminium frame and blades
High tensile steel wire
Construction:
Single row of adjustable blades within frame
Blades held in place by design, as well as high tensile spring wire and starlock washers
Mullions: Central mullion on any unit above 570 mm wide.
Mass / m2 face area:
8.5 kg
16.5 kg including opposed blade damper (optional)
Free area: Approx. 80% (FB Fixed Blade 0°)

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