Industrial Wall Electric Rotary Jet Fan Waterproof Roof Ventilation Duct Exhaust Fan Prices

Features
Fan frame: It is formed in one step due to the use of advanced automatic processing technique, the thick zinc coating ensures great corrosion resistance, the bottom outlet design makes fan structure more reasonable.
Fan blade: Six hot galvanized blades which are formed in one step are aesthetic, durable and resistant to deformation, the blade passed the dynamic balance test and its reasonable angle ensures maximum air flow and minimum noise.
Shutter: High strength hot galvanized plate, the hammer device makes it possible to open and close louvers completely, maintain a 90-degree opening angle to ensure louvers are windproof, rainproof and dustproof.
Motor: 100% copper wire motor, V type belt is durable, high energy efficient, 3C approved, IP54, class F insulation.
Belt: Imported A type belt is long lasting, deformation resistant, and requires no maintenance.

Tests: CE certificate,ISO9001 and ISO14001 certificate. Standard exhaust fan is subjected to noise test, vibration test, concentric performance test, fan blade speed test. Air flow test and efficiency test, so as to ensure its quality.

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