YY3.7/4.5-58（GX350） Positive Pressure Ventilation Fan

High-Performance Smoke Ventilation for Fire & Rescue Operations

Product Overview

The YY3.7/4.5-58 PPV Fan delivers powerful airflow performance in a compact and durable design. Combining the efficiency of large structural ventilation fans with a space-saving frame, it is ideally suited for storage in standard fire apparatus compartments.

Equipped with the PowerStream® air straightener, the YY3.7/4.5-58 produces a strong, focused, and linear airflow, allowing operators to position the fan further from building entrances without compromising PPV performance.

The YY3.7/4.5-58 ensures efficient ventilation, reduced equipment requirements, and lower noise levels inside structures, making it a reliable solution for modern fire and rescue operations.

Key Advantages

• Delivers high airflow with concentrated air stream for effective smoke removal
• Maintains strong PPV performance even when placed at a greater distance from entry points
• Reduces the need for additional ventilation equipment
• Minimizes noise levels inside buildings during operation
• Provides deeper air penetration compared to traditional conical airflow fans
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