Sf(g) series duct fan featured by low noise, large air volume, electricity saving, ratinal strcture etc. The blades are design based on the ternary flow theory; it has been widely used in chemical, light industry, civil construction and high class hotel and so on. This sereis fan suites for mining industry, workshop, warehouse, or used for pipeline pressure control and air supply, ventilation and roof ventilation. According to user's demand, we can make it fixed status as as sf-i type or adjustable status as sf-ii type.. Model no.: 5g-4. Electric current type: ac. Certification: ce, sgs, ccc. Power: 1.5kw. Voltage: 220/380/415/440/460v. Noise: =75db. Specification: ce, gb. Hs code: 84195000. Blade material: steel. Mounting: wall fan. Air flow: 8000m³/h. Speed: 1400r/m. Pressure: 152pa. Trademark: lkz..