80cm 800mm Negative Pressure Fan 220V/380V for Mining Farm and Warehouse
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800mm Negative Pressure Fan | High-Volume Ventilation for Crypto Mining Farms and Warehouses
The 800mm (80cm) negative pressure fan is the workhorse ventilation system for crypto mining farms, warehouses, and industrial facilities needing high-volume airflow at low operating cost. The negative-pressure architecture pulls hot air out of the mining hall, drawing fresh outside air in through opposite-side intakes — the standard "tunnel ventilation" approach used in commercial mining operations.
Headline specs: 13000 CFM airflow, 20000 m³/h air volume, 370W rated power, 380V three-phase or 220V single-phase input, 90-120 m² applicable area per unit. Construction is anti-rust galvanized steel body, galvanized or stainless-steel fan blades, pure copper motor.
Where the 800mm Fan Fits
- Mining farm tunnel ventilation — pulls hot air out, draws cool air in from opposite intakes.
- Warehouse temperature management — large industrial spaces needing high-volume airflow.
- Mining container exhaust — exhaust-side fan on shipping-container mining setups.
- Multi-fan ventilation banks — install 2-4 units for larger facilities (180-480 m² coverage).
800mm Negative Pressure Fan Specifications
| Feature | Specification |
|---|---|
| Dimensions (L × H × W) | 80 × 80 × 35cm |
| Airflow | 13000 CFM |
| Air Volume | 20000 m³/h |
| Power | 370W |
| Rated Voltage | 380V (3-phase) or 220V (single-phase) |
| Applicable Area | 90-120 m² per unit |
| Body Material | Anti-rust thick galvanized sheet |
| Fan Blade Material | Anti-rust galvanized sheet / stainless steel |
| Motor | Pure copper windings |
FAQ — 800mm Negative Pressure Fan
Q: Single-phase 220V or three-phase 380V — which one do I need?
A: Match your mining-farm electrical service. Three-phase 380V is more efficient and runs cooler at the motor — preferred for industrial installs. Single-phase 220V works for smaller setups where 3-phase service isn't available.
Q: How many units do I need for my facility?
A: Roughly 1 fan per 100m² of mining-hall floor area for tunnel ventilation. A 500m² farm typically needs 5 fans on the exhaust wall. Pair each fan with proportional intake louvers on the opposite wall for balanced airflow.
Q: Noise level?
A: 800mm industrial fans typically produce 70-80 dB at full speed — comparable to standard mining operations. For noise-sensitive sites, install silencer baffles on the intake side or use variable-frequency drives (VFD) to reduce speed during off-peak hours.
Q: Bulk pricing for farm builds?
A: Yes — email contact@lys-sz.com for volume pricing on multi-fan farm installs.
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- Universal Miner Silent Box
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Building or expanding a mining farm and stocking ventilation? Email contact@lys-sz.com for bulk pricing on 800mm fans. Worldwide shipping from our Shenzhen warehouse.
Buying in bulk for a mining farm or repair shop?
Get dedicated B2B pricing on this part and across our full catalog — quote response within 24 hours, payment by T/T USD bank wire, and DDP delivery available for US & EU customers (and other lanes on request).
