Ceiling Plenum for Booths - Air Distribution Component

Product Specifications

Technical details and manufacturing context for Ceiling Plenum

Definition

The ceiling plenum is a component used in booth structures, serving as an air distribution chamber. It receives conditioned air from the HVAC system and uses pressure differentials to distribute it uniformly through diffusers or vents into the booth interior. This ensures proper ventilation, temperature control, and air quality management. The plenum is typically constructed from galvanized steel or aluminum, with panel thicknesses ranging from 0.8 to 1.2 mm. It is available in various dimensions, such as 600×600×300 mm to 1200×1200×600 mm, and weighs between 15 and 80 kg depending on size and material. Key parameters include an airflow rate of 500–2000 m³/h, a pressure drop of 50–150 Pa, a noise level of 35–50 dB(A) at 1 m (per ISO 3744), an operating temperature range of -10 to 60 °C, and a humidity range of 10–90% RH (non-condensing). The material grade is typically 304 stainless steel (per ASTM A240) for corrosion resistance. The surface finish is Ra1.6 (per ISO 1302) for cleanability. The air leakage rate is ≤1% at rated pressure (per EN 12237). These values are reference ranges and must be verified for the specific model and application with the legal manufacturer or supplier. The plenum operates by creating positive pressure inside the chamber, which forces air through strategically placed outlets, ensuring even distribution. It is essential for maintaining controlled airflow patterns in booths used in furniture manufacturing and similar environments.

Working Principle

Conditioned air enters the plenum through ductwork, creating positive pressure. The air is then evenly distributed through strategically placed outlets due to the pressure differential between the plenum and the booth interior, allowing for controlled airflow patterns. The pressure drop across the plenum is typically 50–150 Pa, and the airflow rate ranges from 500 to 2000 m³/h. The plenum's design ensures uniform air distribution, which is critical for maintaining consistent temperature and air quality within the booth. And the noise level is 35–50 dB(A) at 1 meter. The plenum is designed to operate in non-condensing environments with temperatures from -10 to 60 °C and humidity from 10 to 90% RH. These parameters must be confirmed for the specific installation.

Common Materials

Galvanized Steel, Aluminum

Technical Parameters

Parameter	Typical range	Notes & selection driver
Airflow Rate	500–2000 m³/h	Ensure even distribution across booth
Pressure Drop	50–150 Pa	Lower is better for energy efficiency
Noise Level	35–50 dB(A)	At 1 m distanceISO 3744
Operating Temperature	-10–60 °C	Non-condensing environment
Humidity Range	10–90 % RH	Non-condensing
Material Grade	304 SS	Corrosion resistantASTM A240
Panel Thickness	0.8–1.2 mm	Structural rigidity
Dimensions (L×W×H)	600×600×300–1200×1200×600 mm	Custom sizes available
Weight	15–80 kg	Depends on size and material
Air Leakage Rate	≤1 %	At rated pressureEN 12237
Surface Finish	Ra1.6 µm	Smooth for cleanabilityISO 1302

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Access Panel Part
Provides maintenance access to the plenum interior

Material: steel
Diffuser Mounting Frame
Secures air distribution diffusers to the plenum

Material: aluminum
Sealing Gasket Part
Ensures air-tight seal between plenum sections

Material: rubber
Plenum Chamber
The sealed box itself — it is the volume that holds the pressure the whole thing works on.
Air Outlets
Where the air actually leaves the box into the booth; the frame only holds them.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Booth Structure

View system integration details

Manufacturers of Ceiling Plenum

Manufacturer profiles associated with Ceiling Plenum.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 6 September 2026

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Frequently Asked Questions

What is the purpose of a ceiling plenum?

A ceiling plenum is a sealed chamber that distributes conditioned air evenly across a booth's interior. It receives air from the HVAC system and uses pressure differentials to ensure uniform airflow through diffusers or vents, maintaining proper ventilation and temperature control.

What materials are commonly used for ceiling plenums?

Common materials include galvanized steel and aluminum. The material grade is often 304 stainless steel for corrosion resistance, as per ASTM A240. Panel thickness typically ranges from 0.8 to 1.2 mm, and surface finish is Ra1.6 for cleanability.

What are the key performance parameters to verify?

Key parameters include airflow rate (500–2000 m³/h), pressure drop (50–150 Pa), noise level (35–50 dB(A) at 1 m), operating temperature (-10 to 60 °C), humidity range (10–90% RH), and air leakage rate (≤1% at rated pressure). Always confirm these values with the manufacturer for your specific model.

How do I ensure the plenum meets my requirements?

Verify the plenum's dimensions, material, and performance parameters against your booth's design and HVAC system. Check that the airflow rate and pressure drop match your ventilation needs. Also, confirm that the plenum complies with relevant standards such as ISO 3744, ASTM A240, and EN 12237, as applicable.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Up to 2.5 kPa (0.36 psi)
flow rate:	Up to 10,000 CFM
temperature:	-20°C to 80°C
slurry concentration:	Not applicable (air distribution only)

Ceiling Plenum

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards