Digitised from the catalogue curve at standard air (20 °C, 101.3 kPa, 1.2 kg/m³); one curve per voltage / speed grade. The system resistance curve depends on the actual ductwork — confirm the operating point on site. Need an engineer to verify the duty point? Contact us or add the model to your RFQ and note the duty point.
- ImpellerØ315 mm12.4 in
- Max airflow5,150 m³/h3,031 CFM
- Max static pressure695.25 Pa2.79 in. wg
- Voltage380 V
- Speed1,350 rpm
- Input power2,200 W2.95 hp
- Noise85 dB(A)
LWFA4D315-188ST-01 AC Single Inlet Forward Centrifugal Blower Ø315 mm
Ø315 mm | AC | Max airflow 5,150 m³/h | Max static pressure 695.25 Pa | 85 dB(A)
- Factory direct
- OEM / ODM
- Samples in 1–3 days
- Production 15–30 days
- 18-month warranty
- CE · ETL · RoHS
Need a non-standard size or another format? Ask an engineer or search the download center.
LWFA4D315-188ST-01 is a LONGWELL AC Single Inlet Forward Centrifugal Blower from the Single Inlet Forward Curved Blowers range, impeller Ø315 mm, rated 380 V AC, maximum airflow 5,150 m³/h, maximum static pressure 695.25 Pa, noise 85 dB(A), input power 2,200 W. The fixed-speed AC external-rotor motor is simple, robust and cost-effective for constant-duty applications.
Technical data
| Model | LWFA4D315-188ST-01 |
|---|---|
| Series | LWFA4D315 |
| Motor type | AC |
| Phase | 3-phase |
| Rated voltage | 380 V |
| Frequency | 50 Hz |
| Current | 3.7 A |
| Input power | 2,200 W |
| Speed | 1,350 rpm |
| Max. airflow | 5,150 m³/h |
| Max. static pressure | 695.25 Pa |
| Noise | 85 dB(A) |
| Ambient temperature | -30 ~ 60 °C |
| Storage temperature | -25 ~ 70℃ |
| Humidity | 0 ~ 85 % RH |
| Altitude | < 1000m |
| Impeller diameter | Ø315 mm |
| Rotor diameter | 188 |
| Impeller material | Galvanised sheet steel ( Impeller ) |
| Insulation class | F |
| Bearing | Maintenance-free ball bearings |
| Duty | S1 |
| Balance grade | G6.3 |
| Vibration standard | JB/T 8689 |
| Service life | 40,000Hours(L10), At 40 °Croom, humidity 15%~65%RH |
Typical applications
- Air handling units (AHU) and rooftop units (RTU)
- Data-center CRAH / CRAC units and fan walls
- Dust extraction and process ventilation
- Fan filter units and air purifiers
Series LWFA4D315: models in the same series share the impeller and motor platform and differ in speed grade, voltage or lead-out / terminal-box configuration — compare them in the table below or ask for the best fit at your duty point.
Nameplate values: maximum airflow is measured at zero static pressure and maximum static pressure at zero airflow; the two never occur together. Confirm the operating point on the performance curve. Final selection is subject to the duty point (airflow / static pressure / voltage / control mode) and project verification.
Alternatives with the same impeller (Ø315 mm · AC)
Same impeller, different speed grade, power or wiring. Step up for more airflow, step down for lower noise.
| Model | Max airflow | Max static pressure | Speed | Power | Noise | Voltage | |
|---|---|---|---|---|---|---|---|
| LWFA4D315-188ST-01 this model | 5,150 m³/h | 695.25 Pa | 1,350 rpm | 2,200 W | 85 dB(A) | 380 V | |
| LWDA-315S-MBN-02 | 1,680 m³/h | 593 Pa | 2,520 rpm | 220 W | 80 dB(A) | 230 V | View |
| LWBA4E315-102NS-19 | 1,859 m³/h | 294 Pa | 1,390 rpm | 116 W | 67.4 dB(A) | 230 V | View |
| LWBA4E315-102NS-18 | 2,079 m³/h | 399 Pa | 1,550 rpm | 153 W | 69.6 dB(A) | 230 V | View |
| LWEA315S(T)M-157E | 2,273 m³/h | 74 Pa | 1,450 rpm | 250 W | — | 220 V | View |
| LWBA4D315-138NT-15 | 2,318 m³/h | 371 Pa | 1,450 rpm | 220 W | 64 dB(A) | 380 V | View |
| LWDA-315(12.6'')S-PWN-05 | 2,500 m³/h | 450 Pa | 2,500 rpm | 320 W | 55 dB(A) | 230 V | View |
| LWBA4D315-138NT-16 | 2,781 m³/h | 515 Pa | 1,650 rpm | 300 W | 68 dB(A) | 380 V | View |
| LWFA6D315-138NT-03 | 2,987 m³/h | 249.26 Pa | 940 rpm | 780 W | 68 dB(A) | 380 V | View |
| LWMFAF315-01 | 3,300 m³/h | 1,050 Pa | — | — | 87 dB(A) | 380 V | View |
| LWFA6E315-138NS-04 | 3,605 m³/h | 249.26 Pa | 870 rpm | 720 W | 68 dB(A) | 220 V | View |
| LWBA2D315-188NT-17 | 4,120 m³/h | 1,082 Pa | 2,650 rpm | 1,300 W | 85 dB(A) | 380 V | View |
| LWFA4D315-188NT-01 | 4,328 m³/h | 576.8 Pa | 1,360 rpm | 2,200 W | 80 dB(A) | 380 V | View |
| LWFA4E315-188NS-02 | 4,429 m³/h | 618 Pa | 1,360 rpm | 2,300 W | 80 dB(A) | 220 V | View |
| LWEA315S(T)M-158E | 4,545 m³/h | 373 Pa | 2,900 rpm | 370 W | — | 220 V | View |
Not sure which one? Send us the duty point (airflow / static pressure / noise limit) — use the selector or ask an engineer.
Related products
Other models in the LWFA4D315 seriesSame impeller, different speed grade or wiring
Adjacent sizesOne size up when airflow is short, one size down when it is too much
LWBE3G310-072NS-21Ø310 mm · 2,266 m³/h · 618 Pa · ECadjacent size
LWBE3G310-072NS-07Ø310 mm · 2,266 m³/h · 700.4 Pa · ECadjacent size
LWBE3G310-072NU-27Ø310 mm · 2,266 m³/h · 700.4 Pa · ECadjacent size
LWBE3G310-102NS-19Ø310 mm · 2,936 m³/h · 700 Pa · ECadjacent size
LWBE3G310-092NS-22Ø310 mm · 2,678 m³/h · 607.7 Pa · ECadjacent size
LWBE3G310-092NU-28Ø310 mm · 2,678 m³/h · 607.7 Pa · ECadjacent sizeAlternatives at a similar dutySimilar airflow, different construction or motor platform
LWAA4D400S-5MEB-12Ø400 mm · 5,150 m³/h · ACsimilar duty
LWBE3G310-102NT-24Ø310 mm · 5,150 m³/h · 1,730.4 Pa · ECsimilar duty
LWAA4E450S-5MEB-14Ø450 mm · 5,150 m³/h · ACsimilar duty
LWAA4D450S-5MEB-16Ø450 mm · 5,150 m³/h · ACsimilar duty
LWFE3G310-102PT-09Ø310 mm · 5,150 m³/h · 1,730.4 Pa · ECsimilar duty
LWAA4E400S-5MEB-10Ø400 mm · 5,150 m³/h · ACsimilar dutySee all Centrifugal Fans · select by duty point