Optimizing Enclosed Space Ventilation with Longwell LWJA Series Axial Jet Fans
Effective air movement in tunnels, underground car parks, and expansive industrial facilities demands precise control over airflow dynamics. Traditional ducted systems can be complex, costly, and space-intensive. Longwell’s LWJA series axial jet fans provide a targeted, high-velocity solution for efficient air circulation, pollutant dilution, and critical smoke extraction.
Engineered for Directed Thrust and Air Quality Control
The LWJA series jet fans are designed for axial flow, generating a powerful, concentrated air jet. This directed thrust effectively induces air movement across large volumes, reducing the need for extensive ductwork and simplifying HVAC system designs in challenging environments. Their robust construction ensures reliable operation under demanding conditions, crucial for safety-critical applications like vehicular tunnel ventilation and emergency smoke clearance.
Performance Specifications: LWJA Axial Jet Fan Models
Longwell’s LWJA series offers a range of models, each engineered to specific performance criteria. Engineers and system integrators can select the appropriate model based on required air volume, thrust, and spatial constraints. Below are detailed specifications for key models in the series:
| Parameter | LWJA200-SN-01 | LWJA250-SN-01 | LWJA315-SN-01 |
|---|---|---|---|
| Voltage (V) | 220 | 220 | 220 |
| Frequency (Hz) | 50 | 50 | 50 |
| Speed (r/min) | 2900 | 2900 | 2900 |
| Air Volume (m³/h) | 1360 | 1998 | 3000 |
| Weight (Kg) | 15 | 26 | 32 |
| Noise (dBA) | 50 | 59 | 69 |
| Power (Kw) | 0.12 | 0.21 | 0.55 |
| Overall Length (mm) | 932 | 1226 | 1525 |
| Inlet Diameter (Outer/Inner, mm) | Ø290/Ø200 | Ø320/Ø250 | Ø420/Ø315 |
| Outlet Diameter (mm) | Ø180 | Ø200 | Ø250 |
For complete technical drawings and detailed specifications, please refer to the individual product PDFs:
- LWJA200-SN-01 Technical Specification
- LWJA250-SN-01 Technical Specification
- LWJA315-SN-01 Technical Specification
Integration Advantages for HVAC System Design
The Longwell LWJA series axial jet fans offer several advantages for professional HVAC system design:
- Targeted Airflow: Efficiently manages air quality in large, open, or semi-enclosed spaces.
- Reduced Ductwork: Minimizes installation complexity and material costs compared to traditional ducted systems.
- Energy Optimization: Specific power ratings allow for precise energy consumption calculations in system planning.
- Reliable Performance: Engineered for continuous operation in demanding environments, supporting critical safety functions.
- Flexible Deployment: Compact dimensions facilitate easier integration into diverse architectural and structural layouts.
For detailed project integration requirements or custom configurations, consult with Longwell’s engineering team.
Technical Documentation & Resources
Project Gallery & Technical Drawings
Project Item: 6923075713 – Jet Fan
Project Date: 2026-03-19 08:13:54
