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Cleanroom Air Distribution Systems
Adjustable Louver Air Grille
A wall or duct grille with individually adjustable profiled blades for directing cleanroom supply air or forming an open extract-air path.
- Individually Adjustable Blades
- Single or Double Deflection
- Stainless Steel Option
- Concealed Frame Fixing
Product Introduction
The adjustable louver air grille provides directional control where wall supply air must avoid equipment, doors or work positions. One row of profiled blades controls deflection in a single plane; a perpendicular rear row adds independent horizontal and vertical steering. The grille core sits inside a rigid perimeter frame with concealed screw fixing and an optional rear opposed-blade damper for volume adjustment. Stainless-steel construction suits aggressive cleaning regimes, while powder-coated galvanized steel provides a coordinated white finish for general controlled areas.
Key Features
Double-deflection construction separates horizontal and vertical steering into two perpendicular blade rows.
Concealed fixings leave the front border free from exposed screw heads and deep recesses.
An optional rear opposed-blade damper balances volume without changing the visible direction setting.
Customer Product Concerns
Directional wall supply must clear local obstructions without creating excessive noise or requiring the balancing damper to distort the discharge pattern.
A fixed grille throws air directly onto a workstation or doorway.Individually adjustable blades redirect the jet in both horizontal and vertical planes.
Using the front blades for balancing destroys the intended throw direction.A separate rear opposed-blade damper adjusts volume while the face blades retain their angle.
Blade pivots seize after repeated wet cleaning.Stainless blade and frame options resist common cleaning chemicals and avoid painted bearing contact surfaces.
Visible screws collect residue around the perimeter frame.Concealed mounting clips or an internal subframe keep fasteners behind the grille core.
Typical Applications
Wall supply to cleanroom support zonesDirectional air delivery in laboratoriesClean corridor and airlock ventilationDuct-mounted process support supplyAdjustable extract grilles in controlled rooms
Technical Parameters
Typical materials and sizes for an adjustable cleanroom louver grille are shown below.
| Core Material | 304 stainless-steel or galvanized-steel frame with individually adjustable profiled blades |
|---|---|
| Panel Thickness | 0.8–1.5 mm blade and perimeter frame material |
| Effective Width | 225–2025 mm nominal grille width |
| Maximum Length | Up to 2025 mm per linear grille assembly |
| Steel Facing Thickness | 0.8–1.5 mm steel frame and formed blade sections |
| Core Density | Approximately 8000 kg/m³ for the 304 stainless-steel blade option |
| Thermal Conductivity | Approximately 14–16 W/(m·K) for the 304 stainless-steel blade option |
| Surface Finish | Brushed stainless steel or white RAL 9010 powder-coated steel |
| Joint Type | Concealed screw or subframe fixing with optional rear opposed-blade damper attachment |
| Customization | Available based on the intended application and operating environment. |
Available Options
Horizontal, vertical or double-deflection blades304 stainless or powder-coated galvanized steelRear opposed-blade volume damperFilter element and installation subframe
Planning a Adjustable Louver Air Grille specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
