Addressing Critical Requirements for HVAC Centrifugal Exhaust Fans
HVAC engineers, procurement managers, and system integrators frequently require precise, data-driven fan solutions for ducted exhaust and ventilation applications. Critical considerations include specific airflow volumes, static pressure capabilities, physical dimensions, and comprehensive performance curves. Longwell addresses these demands with its LWEA series of centrifugal exhaust fans, engineered for reliability and optimized system integration.
Our LWEA series is specifically designed as radial or centrifugal fans to meet the stringent requirements of professional HVAC installations, delivering controlled air movement against system resistance. For instance, customer inquiries frequently request specific performance points, such as 150 m³/h airflow through 6-inch and 8-inch outlets, alongside essential pressure data and complete fan performance curves. The LWEA product line, including models like LWEA100(4″)SP-401, LWEA150(6″)SP-402, and LWEA200(8″)SP-031, provides modular and scalable solutions for diverse project needs.
The Longwell LWEA Centrifugal Fan Series: Key Engineering Advantages
Longwell LWEA Series Centrifugal Exhaust Fan – Typical Design (Render)
- Centrifugal (Radial) Design: Optimized for high static pressure development in ducted systems, ensuring effective air delivery or exhaust against system losses.
- Compact & Integrable Footprint: Designed for easy integration into existing HVAC infrastructure or new compact system builds.
- Robust Construction: Engineered for sustained operation in demanding commercial and industrial environments.
- Efficient Motor Technology: Longwell centrifugal fans incorporate high-efficiency motors, including AC and EC options, to minimize energy consumption and operational costs.
- Precise Airflow & Static Pressure Control: Each model is designed to provide predictable performance, crucial for system balancing and energy optimization.
- Low Noise Profile: Engineered to reduce acoustic impact, suitable for noise-sensitive applications.
Longwell LWEA Series Performance Specifications Overview
Longwell provides comprehensive technical documentation for all LWEA series centrifugal exhaust fans. This includes detailed specifications, dimensional drawings, and critical performance data such as airflow volume, static pressure, power consumption, and sound levels. Performance curves illustrate the fan’s behavior across its operating range, enabling precise system design and component selection.
| Parameter | LWEA100(4″)SP-401 | LWEA150(6″)SP-402 | LWEA200(8″)SP-031 |
|---|---|---|---|
| Fan Type | Centrifugal Exhaust | Centrifugal Exhaust | Centrifugal Exhaust |
| Nominal Duct Size | 4 inches (100mm) | 6 inches (150mm) | 8 inches (200mm) |
| Typical Airflow Range | Refer to Datasheet | Refer to Datasheet | Refer to Datasheet |
| Max. Static Pressure | Refer to Datasheet | Refer to Datasheet | Refer to Datasheet |
| Motor Type | High-Efficiency (AC/EC options) | High-Efficiency (AC/EC options) | High-Efficiency (AC/EC options) |
| Dimensions (LWH) | Refer to Datasheet | Refer to Datasheet | Refer to Datasheet |
| Weight | Refer to Datasheet | Refer to Datasheet | Refer to Datasheet |
For detailed engineering specifications, including precise airflow and static pressure curves for models like the LWEA100(4″)SP-401, please refer to the official product specification sheets:
Typical Centrifugal Impeller within LWEA Series Fan
Requesting Technical Documentation and Quotations
Longwell is committed to providing comprehensive support for HVAC system design and procurement. Engineers and integrators requiring detailed engineering specifications, performance curves, and USD quotations for LWEA series centrifugal exhaust fans can directly access relevant documents or contact our technical sales team.
Access our official quotations for specific models:
For custom OEM solutions, specific performance matching, or inquiries regarding the LWEA200(8″)SP-031 or other models, please contact a Longwell technical sales representative.
Detailed view of LWEA Series Centrifugal Fan Casing
Technical Documentation & Resources
Project Gallery & Technical Drawings
Project Item: 6930756647 – Exhaust fan requires specification sheet and USD quote, Urgent
Project Date: 2026-03-30 09:27:23
