The ebm-papst 63071-2-4013 inlet nozzle is a critical accessory for backward curved centrifugal fans, playing a vital role in airflow management and measurement. Manufactured from durable galvanized sheet steel, these nozzles are designed to optimize fan performance and provide accurate air flow readings. They are commonly used in HVAC systems, industrial ventilation, and other applications requiring precise air control. The nozzle's design minimizes turbulence and ensures consistent airflow, contributing to the overall efficiency and reliability of the fan system. Available in a range of sizes and configurations to suit various fan models and application requirements.