The Aluminum Panel Dust Extractor AC 24×24×2 with G4 Pleated Air Filter is a pre-filtration unit designed for HVAC systems, industrial dust extraction, or ventilation setups requiring coarse to medium-efficiency particle removal. Below is a detailed breakdown of its features, maintenance, and applications:
1. Product Overview
Model/Size: AC 24×24×2 (Nominal dimensions: 24" × 24" × 2", or 610mm × 610mm × 50mm).
Frame Material: Aluminum (lightweight, corrosion-resistant, and durable).
Filter Media: G4-rated pleated filter (EN 779 standard), capturing ≥90% of particles ≥5µm (e.g., dust, pollen, lint).
Pleat Design: Increases surface area compared to flat filters, improving dust-holding capacity and extending service life.
Applications:
HVAC pre-filtration (protecting HEPA/final filters).
Industrial dust extraction (e.g., woodworking, metalworking).
Ventilation systems in commercial/industrial buildings.
2. Key Features
Aluminum Panel Construction:
Resistant to moisture, chemicals, and high humidity.
Lightweight for easy handling and installation.
Rigid frame prevents deformation under airflow pressure.
G4 Pleated Media:
Synthetic fiber or glass fiber media with progressive density for efficient particle capture.
Low pressure drop (typically 20–40 Pa at rated airflow), reducing energy consumption.
2" Depth:
Balances compactness with adequate dust-holding capacity for moderate-duty applications.
Optional Gaskets:
Neoprene or foam seals may be added to ensure airtight fitting in filter housings.
3. Maintenance Guidelines
Proper maintenance extends filter life and ensures optimal performance:
A. Inspection Schedule
Frequency: Check monthly (or weekly in high-dust environments).
Signs of Replacement:
Visible dust buildup or discoloration.
Pressure drop exceeds 2–3× initial reading (monitor with a manometer).
Airflow restriction causes reduced system efficiency.
B. Cleaning (If Reusable)
Note: Most G4 pleated filters are disposable, but some industrial variants may be washable.
For Washable Filters:
Remove filter and gently vacuum debris from the pleats.
Rinse with low-pressure water (avoid high-pressure jets to prevent media damage).
Allow to air-dry completely before reinstallation.
C. Replacement
Procedure:
Turn off the system and wear protective gear (gloves, mask).
Remove the old filter and dispose of it properly (check local regulations for dust disposal).
Install the new filter, ensuring it fits snugly in the housing with no gaps.
Reset pressure gauges/timers if applicable.
D. Safety Precautions
Avoid touching the filter media directly to prevent contamination.
Dispose of used filters in sealed bags to contain trapped dust.
For hazardous dust (e.g., asbestos, silica), follow OSHA/EPA guidelines for handling and disposal.
4. Technical Specifications
| Parameter | Details |
|---|---|
| Dimensions | 24" × 24" × 2" (610 × 610 × 50 mm) |
| Filter Efficiency | G4 (EN 779): ≥90% @ ≥5µm |
| Initial Pressure Drop | 20–40 Pa (at rated airflow) |
| Max. Operating Temp. | Up to 80°C (176°F) |
| Max. Humidity | 80% RH (non-condensing) |
| Airflow Capacity | Depends on system design (typically 1,000–3,000 CFM per filter) |
| Weight | ~2–4 kg (varies by frame/media) |
5. Applications
HVAC Systems:
Pre-filter for rooftop units, air handling units (AHUs), and fan coil units (FCUs).
Industrial Dust Extraction:
Woodworking shops (sawdust, shavings).
Metalworking (grinding dust, welding fumes).
Pharmaceutical/food processing (coarse particulate control).
Commercial Buildings:
Office ventilation, shopping malls, hospitals (as a first-stage filter).
6. Advantages Over Flat Panel Filters
Higher Efficiency: Pleats trap more particles than flat designs.
Longer Lifespan: Reduced clogging due to increased media area.
Energy Savings: Lower pressure drop compared to bag filters or higher-efficiency MERV 13+ filters in pre-filtration roles.
7. When to Upgrade
If your application requires:
Higher efficiency (e.g., MERV 8–13 for fine dust).
Fire resistance (consider fiberglass-framed filters for high-temp zones).
Moisture resistance (coated media for humid environments).
The AC 24×24×2 Aluminum Panel Dust Extractor with G4 Pleated Filter is a cost-effective, low-maintenance solution for coarse particulate control. Regular inspection and timely replacement ensure system efficiency and protect downstream components. For critical applications, pair it with a secondary filter (e.g., F7–F9 bag filters or HEPA) for comprehensive air quality control.
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