ETXS series centrifugal shutter style ventilatorProduct features Shutter: with a centrifugal system which can ensure it open and close automatically, and dust/water proof. Motor: high-effiency, energy-saving. Protection Grade: IP55. Insulation Class: F. Belt: the automatic tensioner instrument is adopted to prevent it loosingor dropping off. ModelBlade DiameterBlade NORPMAir VolumePowerOuter Size(mm)VoltageFrequencyETXS-10001000 mm643935000 m³/h0.75 KW1100×1100×450380 V50 HZETXS-12501250 mm643942000 m³/h1.1 KW1380×1380×450380V50 HZETXS-14001400 mm643955800 m³/h1.5 KW1536×1536×450380V50 HZ XLXS drop hammer style ventilatorProduct features 1) Fan Frame: made from highly galvanized steel sheets in order to assure highest strength and strong resistance to corrosion. 2)Blade: 6 pieces stainless steel blades and the fan has all passed the experiment of homeostasis with big air volume, without deformation n, no breaking, attractive and durable. 3)Belt Pulley: The V type belt pulley is aluminum magnesium alloy injection molded, light weight, high-strength. 4)Bearing: France imported bearing, high intensity, low noise, long service life. Model Blade DiameterBlade NORPMAir VolumePowerOuter Size(mm)VoltageFrequencyXLXS-10001000 mm643935000 m³/h0.75 KW1100×1100×400380 V50 HZXLXS-12501250 mm643942000 m³/h1.1 KW1380×1380×400380V50 HZXLXS-14001400 mm643955800 m³/h1.5 KW1536×1536×400380V50 HZContact: Ben Scofield