Uninterrupted underground ventilation is critical for operational safety and continuous output in coal mines and underground metal mining. Choosing the right Main Ventilation Fan (MVF) system determines not only strict compliance with industrial safety regulations, but also your long-term energy and operational expenditure (OpEx).
Purchasing FBCDZ series main mine ventilation fans directly from the OEM manufacturer eliminates distributor markups, ensures direct engineering support, and allows customization of aerodynamic performance to match your site's specific airflow resistance.
Design Features: Why FBCDZ is the Mining Industry Standard
The FBCDZ series consists of two-stage, counter-rotating, explosion-proof axial flow fans (Counter-Rotating System) designed for main surface ventilation installations.
[ Mine Airflow ] ──► [ 1st Stage Impeller ] ──► [ 2nd Stage Impeller ] ──► [ Diffuser ] ──► [ Exhaust ]
High Aerodynamic Efficiency (Up to 85%): By utilizing two contra-rotating impellers without intermediate guide vanes, rotational air swirl is converted directly into static pressure, achieving static energy efficiency up to 85%.
Explosion-Proof Safety Certification (ExdI Mb / Ex d IIB T4): Electric motors are housed in sealed, insulated chambers purged with fresh ambient air, eliminating any risk of ignition in methane- or coal-dust-laden environments.
Adjustable Blade Pitch: Aerodynamically optimized blades crafted from high-strength alloys allow mechanical pitch adjustment during shutdown, enabling precise tuning of airflow volume (Q) and pressure (P) as mining operations expand.
Rapid Airflow Reversal (Under 10 Minutes): Reverse airflow operation is achieved simply by reversing motor rotation, maintaining over 60% of nominal capacity without complex, space-consuming bypass ductwork.
Model Range & Aerodynamic Performance Specifications
The FBCDZ model numbers represent the impeller diameter in decimeters (e.g., No. 12 = 1200 mm):
| Model (Size No.) | Impeller Diameter (mm) | Airflow Volume Q (m³/s) | Total Pressure Pt (Pa) | Motor Power (kW) |
| FBCDZ No. 12 – No. 15 | 1200 - 1500 | 15 - 75 | 500 - 2800 | 2 x 18 - 2 x 90 |
| FBCDZ No. 16 – No. 20 | 1600 - 2000 | 45 - 160 | 800 - 4200 | 2 x 75 - 2 x 280 |
| FBCDZ No. 22 – No. 28 | 2200 - 2800 | 100 - 320 | 1200 - 5500 | 2 x 200 - 2 x 630 |
| FBCDZ No. 30 – No. 36 | 3000 - 3600 | 220 - 550 | 1500 - 7000 |
2 x 500 - 2 x 1000 |
Key Factors Influencing FBCDZ Fan Pricing
Factory-direct pricing for complete main mine ventilation systems is customized based on your technical requirements:
Motor Drive Specification: Voltage ratings (380V, 660V, 6kV, or 10kV) and explosion-proof motor branding.
Control Systems & Automation: Inclusion of Soft Starters, Variable Frequency Drives (VFDs), and PLC control cabinets with online vibration, temperature, and pressure sensors.
Auxiliary Equipment: Inflow transition ducts, silencers, automated reversing dampers (wind doors), and expansion diffusers.
Material Selection: Heavy-duty carbon steel, spray-painted galvanized steel, or cold-resistant alloy construction for extreme climates.
Factory-Direct Turnkey Supply Process
When sourcing FBCDZ fans directly from our factory, you receive complete engineering and manufacturing support:
Aero-Calculation & Model Selection: Our engineering team calculates exact duty points based on your mine system resistance curves (Q-H).
Manufacturing & QC: Production includes ultrasonic testing (UT) of critical structural welds and dynamic balancing of all rotor assemblies to ISO G2.5 standards.
Delivery & On-Site Commissioning: Complete supply of primary and standby fan units, automated dampers, startup support, and technical documentation.
✉️ Request Factory Direct Pricing & Engineering Quote
Submit your mine ventilation parameters or technical datasheet today for a custom technical proposal:
E-mail: [winston-xu@hengdingfan.com]
