Square perforated face air diffuser with white cleanroom ceiling frame

Systèmes de distribution d'air Cleanroom

Diffuseur d'air face perforé

A ceiling diffuser with a fully perforated removable face that equalizes discharge over the panel area for gentle vertical or low-turbulence supply air.

Uniform Perforated Face
Low-Turbulence Discharge
Pressure-Equalizing Plenum
Tool-Free Face Access

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Introduction de produit

The perforated face air diffuser slows supply air in a rear plenum and releases it through hundreds of evenly distributed openings rather than a few concentrated slots. An internal equalizer or distribution plate reduces high velocity directly below the duct inlet, helping the full visible face remain active. The flat powder-coated panel sits flush with a modular cleanroom ceiling and can be released from below for cleaning. Supply and extract variants use the same restrained appearance, allowing coordinated terminal layouts in controlled rooms.

Key Features

A high open-area perforation pattern divides the air stream into many low-momentum jets across the complete panel.

The rear equalizer limits the central hot spot normally produced by a direct top duct connection.

A flat removable panel leaves no deep vanes that trap lint at the room face.

Matching supply and extract configurations maintain a consistent ceiling appearance.

Préoccupations du client produit

Perforated diffusers only work uniformly when the plenum removes inlet momentum and the complete face remains clean and unobstructed.

Most airflow exits through the holes directly under the inlet spigot.A distribution screen and sufficient plenum depth spread static pressure across the rear of the face.

Small perforations retain surface dust that is difficult to wipe from a fixed panel.A detachable face can be washed or wiped from both sides away from the ceiling frame.

Sharp perforation burrs disrupt cleaning cloths and create particle traps.Deburred punched holes and a continuous powder coating produce a smooth cleanable surface.

Uneven ceiling framing bows the panel and opens perimeter gaps.A rigid return-edge frame supports the face while a compressible gasket follows the ceiling plane.

Les applications typiques

Low-turbulence cleanroom supplyHospital clean treatment roomsLaboratory preparation spacesPharmaceutical weighing support roomsClean corridor and change-area ceilings

Paramètres techniques

Typical construction ranges for a cleanroom perforated-face ceiling diffuser are listed below.

Matériaux de base	Deburred perforated steel face with galvanized pressure-equalizing plenum and internal distribution plate
Panneau épaisseur	0.8–1.2 mm perforated face and plenum sheet
Largeur effective	300–600 mm nominal active face width
Longueur maximale	Up to 1200 mm for rectangular perforated modules
Acier face épaisseur	0.8–1.2 mm punched steel face panel
Densité Core	Approximately 7850 kg/m³ for the steel perforated face and equalizer
Conductivité thermique	Approximately 45–60 W/(m·K) for the steel perforated face and equalizer
surface finie	White epoxy-polyester powder coat over fully deburred steel, with stainless option
Type joint	Flush gasketed frame with hinged or lift-out perforated face and sealed plenum spigot
Customisation	Disponible en fonction de l'application prévue et de l'environnement d'exploitation.

Options disponibles

Vertical low-turbulence or horizontal spread equalizerSupply or extract configuration304 stainless-steel perforated faceSquare or rectangular ceiling module

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