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Bearing Type: Dual ball bearing
Delta’s AFB series commonly uses dual ball bearings for enhanced durability, vibration resistance, and extended lifespan—critical for 24/7 operation in industrial environments. This bearing type minimizes maintenance needs and ensures consistent performance even under varying temperature or load conditions.
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Rotational Speed: Approximately 3000~3500 rpm
Steady-speed operation delivers balanced airflow, effective for cooling low to moderate-heat components such as sensors, small ICs, or low-power modules in enclosed spaces. The "SH" suffix likely indicates a "standard" or "stable" performance variant, prioritizing efficiency and quiet operation over high-speed cooling.
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Airflow: About 22.0~28.0 CFM (0.62~0.79 m³/min)
Efficiently dissipates heat from 80mm-class components, ensuring optimal operating temperatures in compact enclosures or densely packed layouts. This airflow range strikes a balance between cooling capability and energy efficiency for lighter thermal loads.
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Static Pressure: Approximately 2.0~3.0 mmH₂O (19.6~29.4 Pa)
Adequate static pressure to push air through thin heat sinks, dust filters, or narrow gaps in industrial enclosures, maintaining cooling effectiveness despite minor airflow obstructions common in compact systems.
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Noise Level: Around 28~32 dB(A) (measured at 1 meter)
A key advantage of this variant, its lower rotational speed results in quieter operation, making it suitable for noise-sensitive environments such as labs, office equipment, or industrial settings where reduced noise is prioritized alongside cooling performance.