Product Introduction
The 9-19A High Pressure Centrifugal Fan is specially designed for heavy-duty industrial applications that require high static pressure, wide airflow, and low noise performance. Compared to similar domestic and international models, it features a flat performance curve, wide efficiency area, and superior durability, making it ideal for continuous operations in demanding environments.
Usage Industries:
- Forging furnaces
- Exhaust gas treatment
- High-pressure forced ventilation
- Material transportation
- Heavy-duty industrial exhaust systems
Application Environment:
- Conveys air and non-corrosive, non-flammable, non-viscous gases
- Medium temperature: ≤ 50°C (up to 80°C)
- Dust & particles: ≤ 150mg/m³
- Can completely replace 8-18 and 9-27 series fans
Features & Construction
- Impeller:
- Constructed with 12 carbon steel straight forward blades
- Molded in one piece with front cover
- Strictly balanced & calibrated for stable operation
- Casing:
- Welded carbon steel volute casing
- Compact and flexible installation, corrosion-resistant
- Air Inlet:
- One-piece convergent streamlined carbon steel design
- Secured with bolts for durability and reduced air loss
- Frame & Motor:
- Built on B3 frame model
- Equipped with a direct-connected pure copper motor
Types & Parameters
| Type | Machine Numbers | Rotation | Outlet Position | Transmission Mode |
|---|---|---|---|---|
| Type A | No. 3.15, 3.55, 4, 4.5, 5, 5.6, 6.3, 7.1 | Right-handed (clockwise) / Left-handed (counterclockwise) | Adjustable 0°–225° (intervals: 22.5° or 45°), total 6 types (0°, 45°, 90°, 135°, 180°, 225°) | Type A / Type D |
| Model | Speed (r/min) | Power (kW-P) | Traffic (m³/h) | Total Pressure (Pa) |
|---|---|---|---|---|
| 3.15A | 2900 | 0.75-2 | 402-545 | 2223-2262 |
| 3.15A | 2900 | 1.1-2 | 617-832 | 2231-2017 |
| 3.55A | 2900 | 1.5-2 | 560-760 | 2545-2590 |
| 3.55A | 2900 | 2.2-2 | 860-1160 | 2554-2310 |
| 4A | 2900 | 2.2-2 | 824-1264 | 3584-3597 |
| 4A | 2900 | 3-2 | 1410-1704 | 3507-3253 |
| 4.5A | 2900 | 4-2 | 1174-2062 | 4603-4447 |
| 4.5A | 2900 | 5.5-2 | 2281-2504 | 4297-4112 |
| 5A | 2900 | 7.5-2 | 1610-2844 | 5697-5517 |
| 5A | 2900 | 11-2 | 3166-3488 | 5323-5080 |
| 5.6A | 2900 | 11-2 | 2622-3619 | 7182-7109 |
| 5.6A | 2900 | 18.5-2 | 3996-4901 | 6954-6400 |
| 6.3A | 2900 | 18.5-2 | 3220-5153 | 9149-9055 |
| 6.3A | 2900 | 30-2 | 5690-6978 | 8857-8148 |
| 7.1A | 2900 | 37-2 | 4610-7376 | 11717-11596 |
| 7.1A | 2900 | 55-2 | 8144-9988 | 11340-10246 |
Technical Specifications
| Specification | Details |
|---|---|
| Material | Carbon steel (impeller & casing), stainless steel optional |
| Traffic / Application | Forging furnaces, exhaust gas treatment, industrial ventilation, material transport |
| Power | Direct-connected motor (B3 model), varies by machine number |
| Air-flow | Large airflow with high pressure efficiency |
| Noise Level | Low noise, wide efficiency range |
| Size / Dimensions | Machine No. 3.15 – 7.1 |
| Motor | Pure copper motor, dynamically balanced |
| Warranty | 12 months (extendable) |
| Color | Industrial Grey (customizable) |
| Voltage | 220V / 380V, 50Hz |
| RPM | 1450 – 2900 RPM (depending on size) |
Key Benefits
- High static pressure and wide efficiency range
- Low noise and vibration for stable operation
- Compact design saves installation space
- Durable construction with carbon steel impeller & casing
- Flexible installation with multiple outlet positions
- Ideal replacement for older centrifugal fan models