1) high strength aluminium alloy with smooth surface and strong corrosion-proof,
2) Manually or automatically control,
3) each index meet the requriement of GB/T3190-1996 standard.
4) low resistance, high effcinecy and intensity, can endure moist situations.
5) Easy installation and maintenance
6) Static painting as per requirement. (any color is available)
Functions: installed on exterior wall as the supply outlet , which is impervious to rainwater, and control the airflow,and also be the necessary establishment for each ventilative mode.
Use: in the power plant, large and medium-sized factories and mines, workshop, steel-making factories, subway which have the ventilative requirement
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