Air Distribution Plenum for Air Wash Separators | Specifications & Verification

Product Specifications

Technical details and manufacturing context for Air Distribution Plenum

Definition

The Air Distribution Plenum is a critical component of the Air Wash Separator that receives incoming air from the supply system and distributes it uniformly across the separator's working area. It ensures consistent airflow patterns and pressure distribution, which is essential for the separator's efficiency in removing contaminants from the air stream. The plenum is typically constructed from galvanized steel, stainless steel, or aluminum, with wall thicknesses ranging from 3 to 6 mm, depending on the operating pressure and size. It is designed to handle air flow rates from 500 to 5000 m³/h, with operating pressures between 1.0 and 1.6 MPa and temperatures from -10°C to 80°C. The inlet and outlet diameters range from 100 to 600 mm, and the number of outlets can vary from 2 to 8 to match the separator's inlet configuration. The plenum's internal geometry reduces air velocity and equalizes pressure, preventing turbulence and ensuring optimal contact between air and cleaning media. Surface treatment typically follows ISO 8501-1 Sa2.5 blast cleaning before painting. The weight of the plenum ranges from 50 to 500 kg, depending on size and thickness. Leakage rate at 1.1 times rated pressure is ≤0.5%, and pressure drop at maximum flow is ≤0.05 MPa. These values are reference ranges and must be verified for the specific model and application. The plenum is a component, not a standalone product, and its selection depends on the separator's capacity and duct dimensions. Always confirm model-specific parameters and applicable standards with the legal manufacturer or supplier before procurement.

Working Principle

The plenum receives pressurized air from the supply duct and uses its internal geometry to reduce velocity and equalize pressure. This creates a stable, uniform air distribution that enters the separator's filtration or washing section, preventing turbulence and ensuring optimal contact between air and cleaning media. The design must match the separator's capacity and duct sizes to achieve even distribution across all outlets.

Common Materials

Galvanized steel, Stainless steel, Aluminum

Technical Parameters

Parameter	Typical range	Notes & selection driver
Air Flow Rate	500–5000 m³/h	Match to separator capacity
Operating Temperature	-10–80 °C	Above 80°C may degrade seals
Material	Q235B	Carbon steel standardGB/T 700
Wall Thickness	3–6 mm	Thicker for higher pressure
Inlet Diameter	100–600 mm	Match to duct size
Outlet Diameter	100–600 mm	Match to separator inlet
Number of Outlets	2–8	Even distribution
Surface Treatment	Sa2.5	Blast cleaning before paintingISO 8501-1
Weight	50–500 kg	Depends on size and thickness
Leakage Rate	≤0.5 %	At 1.1× rated pressure
Pressure Drop	≤0.05 MPa	At max flow

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

Inlet Flange Part
Connection point for air supply duct

Material: steel
Distribution Baffles Part
Direct and equalize airflow within chamber

Material: steel
Outlet Grille Part
Evenly distributes air to separator section

Material: steel
Plenum Chamber
The box itself — its internal volume is what slows the air down and evens the pressure.

Applied To / Applications

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

Air Wash Separator

View system integration details

Manufacturers of Air Distribution Plenum

Manufacturer profiles associated with Air Distribution Plenum.

Sourcing Air Distribution Plenum from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What is the primary function of an Air Distribution Plenum?

It receives incoming air from the supply system and distributes it uniformly across the separator's working area, ensuring consistent airflow and pressure for efficient contaminant removal.

What materials are commonly used for this plenum?

Galvanized steel, stainless steel, and aluminum are listed as materials on file. The choice depends on the application and environmental conditions.

What are the typical operating pressure and temperature ranges?

The operating temperature range is -10°C to 80°C. Above 80°C may degrade seals.

How do I verify that a plenum meets my requirements?

Check the reference parameters such as air flow rate, inlet/outlet diameters, number of outlets, and pressure drop. Always confirm model-specific values and standards with the legal manufacturer or supplier.

Data Basis

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

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Buyer enquiry

Request manufacturing insight for Air Distribution Plenum

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	Up to 10 bar (150 psi)
flow rate:	100-5000 m³/h
temperature:	-20°C to 120°C
slurry concentration:	Up to 15% solids by weight

Air Distribution Plenum

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards