Atlas Copco PF4000-C-DN-HW
Product Name: Atlas Copco PF4000-C-DN-HW Portable Diesel Air Compressor
Product Overview: A large-capacity trailer-mounted rotary screw compressor featuring a dual-noise-reduction enclosure, rated for high-temperature and high-humidity operation. The “DN” designation indicates a dual-stage noise reduction system combining passive acoustic insulation with active ventilation management.
Detailed content
Model Series: P-Series (PF Series) Portable Compressors
Technology Type: Diesel-driven rotary screw air end
Free Air Delivery (FAD): 4000 cfm (113 m³/min)
Working Pressure Range: 7 – 13 bar (100 – 185 psi)
Engine: Diesel engine, heavy-duty continuous-rated
Fuel Tank Capacity: Approximately 400 – 500 liters
Cooling System: Water-cooled with heat exchanger; HW-rated
Noise Level: Approximately 68 – 72 dB(A) at 7 meters (DN enclosure provides superior noise attenuation vs. PN)
Dimensions (L × W × H): Approximately 5200 × 2100 × 2400 mm
Weight: Approximately 6800 – 7800 kg (operating weight)
Structure: Trailer-mounted with dual-noise enclosure (DN) — combines acoustic lining with optimized airflow paths
Air Receiver Volume: Approximately 800 – 1000 liters
Drive System: Direct diesel-to-screw drive
Control System: Electronic controller with full parameter monitoring
Enclosure Type: DN — Dual Noise reduction: passive acoustic panels plus active ventilation noise management
Key Features:
- DN enclosure delivers the lowest noise levels in the PF4000 range
- HW-rated for continuous operation in temperatures up to 50°C
- Trailer-mounted for rapid deployment
- Integrated aftercooler with automatic condensate drain
- Heavy-duty pneumatic coupling manifold
Advantages:
- Meets strictest noise regulations without derating airflow
- Best-in-class noise performance for the 4000 cfm class
- High ambient rating prevents performance loss in tropical or desert climates
- Rental-fleet optimized with service-accessible layout
Applicable Industries: Urban construction, hospital and school proximity work, noise-sensitive industrial sites, rental companies
Installation Requirements: Level surface; minimum 15-meter setback from noise-sensitive receptors recommended; standard electrical connection for controls
Usage Notes: DN enclosure requires periodic inspection of acoustic panel integrity; do not block ventilation openings; clean condensate drain lines daily in humid conditions












