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.
- ImpellerØ180 mm
- Max airflow1,205.1 m³/h
- Max static pressure247.2 Pa
- Voltage230 V
- Speed1,250 rpm
- Input power200 W
- Noise63 dB(A)
LWFA4E180-092DS-01 AC Dual Inlet Forward Centrifugal Blower Ø180 mm
Ø180 mm | AC | Max airflow 1,205.1 m³/h | Max static pressure 247.2 Pa | 63 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.
LWFA4E180-092DS-01 is a LONGWELL AC Dual Inlet Forward Centrifugal Blower from the Dual Inlet Forward Curved Blowers range, impeller Ø180 mm, rated 230 V AC, maximum airflow 1,205.1 m³/h, maximum static pressure 247.2 Pa, noise 63 dB(A), input power 200 W. The fixed-speed AC external-rotor motor is simple, robust and cost-effective for constant-duty applications.
Technical data
| Model | LWFA4E180-092DS-01 |
|---|---|
| Series | LWFA4E180 |
| Motor type | AC |
| Phase | 1-phase |
| Rated voltage | 230 V |
| Frequency | 50 Hz |
| Current | 0.92 A |
| Input power | 200 W |
| Speed | 1,250 rpm |
| Max. airflow | 1,205.1 m³/h |
| Max. airflow (CFM) | 688 CFM |
| Max. static pressure | 247.2 Pa |
| Noise | 63 dB(A) |
| Ambient temperature | -30 ~ 60 °C |
| Storage temperature | -30 ~ 70℃ |
| Humidity | 0 ~ 85 % RH |
| Altitude | < 1000m |
| Impeller diameter | Ø180 mm |
| Rotor diameter | 92 |
| Impeller material | Galvanised sheet steel ( Impeller ) |
| Protection class | IP54 |
| Insulation class | F |
| Bearing | Maintenance-free ball bearings |
| Duty | S1 |
| Balance grade | G6.3 |
| Vibration standard | JB/T 8689 |
| Service life | 30,000Hours(L10), At 20 °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 LWFA4E180: 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 (Ø180 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 | |
|---|---|---|---|---|---|---|---|
| LWFA4E180-092DS-01 this model | 1,205.1 m³/h | 247.2 Pa | 1,250 rpm | 200 W | 63 dB(A) | 230 V | |
| LWBA2E180-092NS-03 | 443 m³/h | 335 Pa | 2,560 rpm | 52 W | 63 dB(A) | 230 V | View |
| LWBA2E180-092NS-01 | 443 m³/h | 335 Pa | 2,550 rpm | 52 W | 63 dB(A) | 230 V | View |
| LWBA2E180-092NS-02 | 494 m³/h | 371 Pa | 2,850 rpm | 66 W | 66 dB(A) | 230 V | View |
| LWFA2E180-092SS-03 | 742 m³/h | 670 Pa | 2,000 rpm | 300 W | 73 dB(A) | 230 V | View |
| LWFA4E180-092SS-02 | 772.5 m³/h | 200.85 Pa | 1,330 rpm | 135 W | 63 dB(A) | 230 V | View |
| LWFA4E180-092NS-01 | 773 m³/h | 195.7 Pa | 1,450 rpm | 85 W | 69 dB(A) | 230 V | View |
| LWFA4E180-092SS-01 | 787.5 m³/h | 315 Pa | 1,335 rpm | 137 W | 63 dB(A) | 230 V | View |
| LWDA-180(7")S-MWN-01 | 1,000 m³/h | 90 Pa | 2,800 rpm | 60 W | 58 dB(A) | 220 V | View |
Not sure which one? Send us the duty point (airflow / static pressure / noise limit) — use the selector or ask an engineer.
Other models in the LWFA4E180 seriesSame impeller, different speed grade or wiring
Adjacent sizesOne size up when airflow is short, one size down when it is too much
LWBE3G175-072NU-17Ø175 mm · 741.6 m³/h · 535.6 Pa · ECadjacent size
LWBE3G175-072NS-08Ø175 mm · 700.4 m³/h · 803.4 Pa · ECadjacent size
LWBE3G175-072NS-07Ø175 mm · 911.55 m³/h · 875.5 Pa · ECadjacent size
LWBE3G175-072NS-09Ø175 mm · 700.4 m³/h · 875.5 Pa · ECadjacent size
LWBE3G175-072NU-16Ø175 mm · 535.6 m³/h · 453.2 Pa · ECadjacent size
LWBE3G175-072PS-10Ø175 mm · 924 m³/h · 893 Pa · ECadjacent sizeAlternatives at a similar dutySimilar airflow, different construction or motor platform
LWCD-110520MN-06Ø110 mm · 1,205 m³/h · 202 Pa · DCsimilar duty
LWDE-200S-MBN-09Ø200 mm · 1,210 m³/h · 1,030 Pa · ECsimilar duty
LWA-1100-0143 mm · 1,200 m³/h · 2,550 Pa · ACsimilar duty
LWA-1100-0243 mm · 1,200 m³/h · 2,650 Pa · ACsimilar duty
LWA-1100-0343 mm · 1,200 m³/h · 2,550 Pa · ACsimilar duty
LWA-1100-0443 mm · 1,200 m³/h · 2,650 Pa · ACsimilar dutySee all Centrifugal Fans · select by duty point
















