Noise Performance
Max noise level: ≤ 85 dB(A) @ 1m
Enclosure insertion loss: ≥ 30 dB(A)
Exhaust silencer attenuation: 35–42 dB(A)
Construction
Heavy-duty steel structure, corrosion-resistant coating
Modular walk-in design with access doors, EPDM sealed
Acoustic Insulation
100mm Grade A1 (EN 13501) fireproof rock wool
Perforated metal inner lining (40–60% open area)
Vibration Isolation
Anti-vibration mounts with ≥ 95% isolation efficiency
Flexible connectors on exhaust piping
Exhaust System
High-grade silencer, insulated surface temp
Weatherproof rain cap, condensate drain
Ventilation & Cooling
Forced ventilation with intake/exhaust acoustic attenuators
Designed for confined space operation
Safety Features
Asbestos-free materials
Emergency shutdown, fire detection optional
Environmental Durability
Dust-resistant, moisture-proof, suitable for underground and mining conditions
Ambient temp range: –10°C to +80°C
Compliance
ISO 3746 / MSHA / relevant mining safety standards