EN
Centrifugal Fan
NDY: Airflow 1,061–859,910 m³/h, pressure 215–9,996 Pa. Power 0.55–1,600 kW, speed 600–2,490 r/min. IP54 / F.
4-72: Airflow 700–295,123 m³/h, pressure 600–3,713 Pa. Power 1.1–200 kW, speed 250–2,900 r/min. IP54/F.
4-73: Airflow 10,021–810,000 m³/h, pressure 300–7,200 Pa. Power 5.5–1,600 kW, speed 375–1,450 r/min. IP54/F.
4-68: Airflow 721–295,100 m³/h, pressure 412–3,754 Pa. Power 3–220 kW, speed 280–1,450 r/min. IP54/F.
NZY: Airflow 1,303–55,023 m³/h, pressure 1,200–3,000 Pa. Power 1.5–200 kW, speed 980–3,350 r/min.
8-39: Airflow 3,242–104,816 m³/h, pressure 1,692–8,942 Pa. Power 7.5–400 kW, speed 730–2,900 r/min.
9-19: Airflow 414–63,305 m³/h, pressure 916–15,700 Pa. Power 0.55–410 kW, speed 500–2,900 r/min.
9-26: Airflow 1,608–123,090 m³/h, pressure 963–16,014 Pa. Power 0.75–850 kW, speed 400–2,900 r/min.
- Overview
- Product Advantages
- Applications
- FAQ
- Recommended Products
| Model | Image | Target Customers | Core Advantages | Core Keywords |
| NDY |  |
Factories, mines, large buildings, hotels, restaurants | Low noise & high efficiency; Large air volume; Compact structure & easy installation | Centrifugal fan, industrial ventilation |
| 4-72 |  |
Factories, mines, large buildings, hotels, restaurants | Good aerodynamics; Low vibration; High efficiency & long life | Centrifugal fan, energy-saving ventilation |
| 4-73 |  |
Heavy industries, power plants, cement plants, steel mills | High pressure & efficiency; Rugged construction; Customizable | High-pressure centrifugal fan, industrial blower |
| 4-68 |  |
Factories, warehouses, commercial buildings | Energy-saving; Stable operation; Wide media adaptability | Medium-pressure centrifugal fan, HVAC fan |
| NZY |  |
Industrial dust collection, boiler air supply, mine ventilation | High pressure & volume; Wear & corrosion resistant; Stable & efficient | Heavy-duty centrifugal fan, industrial exhaust fan |
| 8-39 |  |
Industrial boiler ID fan, metallurgy, chemical plants, kilns | High pressure & efficiency; Low noise & stable; High-temp resistance | High-temp centrifugal fan, industrial draft fan |
| 9-19 |  |
Forge shops, chemical material conveying, high-pressure forced ventilation | High pressure head; Low flow; High efficiency; Compact & wear-resistant | High-pressure centrifugal fan, material conveying fan |
| 9-26 |  |
Forge shops, chemical plants, material handling, high-pressure ventilation | High pressure & efficiency; Low flow; Rugged & energy-saving | High-pressure fan, industrial blower |
Product Advantages
|
NDY • Low noise 68–75 dB(A) via aerodynamic impeller. |
4-72 • Optimized blades reduce energy loss. |
4-73 • Pressure up to 7,200 Pa for long ducts. |
|
4-68 • Backward-curved blades, 85% static efficiency. |
NZY • Wear-resistant or coated impeller. |
8-39 • Handles gas up to 250°C (higher optional). |
|
9-19 • Pressure up to 15,700 Pa. |
9-26 • Up to 16 kPa. |
Applications
NDY: Factory exhaust; mine fresh air; building HVAC; commercial kitchen smoke extraction.
4-72: General factory ventilation; building HVAC; dust collection; agricultural drying.
4-73: Boiler induced/forced draft; cement plant ventilation; steel mill fume; power plant air.
4-68: Warehouse ventilation; office HVAC; greenhouse circulation; workshop exhaust.
NZY: Dust collectors; boiler forced/induced draft; mine auxiliary ventilation; woodworking dust.
8-39: Boiler induced draft; metallurgical fume; chemical reactor; kiln exhaust.
9-19: Pneumatic conveying; burner forced draft; industrial vacuum; paper trim collection.
9-26: High-resistance dust collection; long-distance pneumatic conveying; industrial drying; cement air slides.
FAQ
Model: NDY
Q1: What is the minimum order quantity?
– 1 unit.
Q2: Can it handle high-temperature air?
– Standard version works up to 80°C; high-temp options available.
Q3: What payment methods are accepted?
– T/T, L/C, acceptance bill.
Q4: What is the lead time?
– 7–40 days depending on customization.
Model: 4-72
Q1: Is this fan suitable for cleanrooms?
– Yes, but additional filtration may be needed.
Q2: Can voltage be customized?
– Standard 380V/50Hz; other voltages available on request.
Q3: What is the noise level?
– 50–75 dB(A).
Model: 4-73
Q1: Can this fan handle abrasive dust?
– Yes, with optional wear-resistant lining.
Q2: What transmission types are available?
– C (belt) or D (coupling).
Q3: Is spare parts support available?
– Yes, we stock impellers, bearings, and shafts.
Model: 4-68
Q1: What is the typical lifespan?
– 10+ years with regular maintenance.
Q2: Can it be used with a VFD?
– Yes, compatible with variable frequency drives.
Model: NZY
Q1: Can it handle explosive dust?
– Yes, with ATEX-certified motor and grounding.
Q2: What is the maximum temperature?
– Up to 120°C standard; higher with special seals.
Model: 8-39
Q1: Is the fan suitable for sticky flue gases?
– Yes, with non-stick coating or cleaning ports.
Q2: What is the MOQ?
– 1 unit, but lead time may vary for high-temp versions.
Model: 9-19
Q1: Can it handle sticky materials?
– Not recommended; use with dry, free-flowing materials.
Q2: What is the noise level?
– 70–95 dB(A); silencers available.
Model: 9-26
Q1: What is the difference between 9-19 and 9-26?
– 9-26 offers higher flow at similar pressures; 9-19 is more focused on extreme pressure at very low flow.
Q2: Can it be explosion-proof?
– Yes, with appropriate motor and grounding.
