Optimizing HVAC Air Handling with Longwell DD10-10I-014 AC Double Inlet Centrifugal Fans
Longwell’s DD10-10I-014 AC double inlet centrifugal fan delivers consistent performance for demanding HVAC applications. Engineered for robust system integration, this fan is designed to provide stable airflow and pressure in air handling units (AHUs), ventilation systems, and other industrial air movement solutions. The unit’s precise engineering ensures operational reliability and efficiency, critical for minimizing system downtime and energy consumption.
Key Technical Specifications and Features
The DD10-10I-014 model features a directly driven AC motor, ensuring a compact footprint and reliable mechanical integrity. Its construction emphasizes durability and consistent performance across various operational parameters. The unit is developed to meet stringent quality requirements, including low vibration and sound emission during high-speed operation.
- Motor Type: AC Motor, Direct Drive
- Robust Design: Constructed for heavy-duty applications, ensuring extended operational life.
- Protection Class: IP54, providing protection against dust ingress and splashing water.
- Insulation Class: CL.F, indicating high-temperature resistance for motor windings.
- Quality Assurance: Manufactured to minimize radial runout to less than 1.2mm and axial runout less than 1.0mm, with residual imbalance below 150mg.
Performance Parameters
Engineers can reference the following performance data for system design and integration:
| Parameter | Value | Unit |
|---|---|---|
| Nominal Voltage | 380 | V |
| Frequency | 50 | Hz |
| Rated Speed | 1440 | r/min |
| Current | 3 ±10% | A |
| Power Input | 750 (approx. 1 HP) | W |
| Insulation Class | CL.F | – |
| Protection Type | IP54 | – |
Mechanical Integration Details
The DD10-10I-014 is engineered for straightforward integration into existing and new HVAC systems. Critical dimensions facilitate precise mechanical fitment and ductwork connection.
- Overall Length: 391 mm
- Overall Width: 357 ±1 mm
- Overall Height: 334 mm
- Housing Length: 292 mm
- Housing Width: 272 mm
- Housing Height: 223 mm
Detailed mechanical drawings and technical specifications are available for download:
Download DD10-10I-014 Technical Specification (PDF)
Application Suitability
This centrifugal fan is suitable for a range of applications requiring consistent air movement and pressure development, including:
- Air Handling Units (AHUs)
- Commercial and industrial ventilation systems
- Fume extraction systems
- Supply and exhaust air applications
Longwell ensures that each DD10-10I-014 unit undergoes rigorous testing to verify all performance criteria and mechanical tolerances, providing a reliable component for critical HVAC infrastructure.
Technical Documentation & Resources
Project Gallery & Technical Drawings
Project Item: 6771301451-AC DD 400
Project Date: 2026-02-04 02:06:08
