High-pressure in-line fan 3-PH - Ex-proof ventilator VARD 250/2 EX

High-pressure in-line fan 3-PH - Ex-proof ventilator VARD 250/2 EX – Helios – 06671 – 4010184066712: High-pressure duct fan 3-PH VARD 250/2 EX rated voltage 400 ... 400V, frequency 50 ... 50Hz, power consumption 0.37kW, unloaded air volume 2590m³/h, medium temperature -20 ... 40°C, protection class (IP) IP54, nominal duct diameter 250mm, pipe installation location, device group according to Directive 94/9/EG II, temperature class according to Directive 94/9/EG T1 to T3, high-pressure tube fan with cylindrical tube sleeve, flanges on both sides, directly driven, explosion-proof according to ATEX. Cylindrical tube made of galvanized sheet steel, with flange formed on both sides, hole pattern according to DIN 24155, built-in guide vane. Mixed flow impeller, eight three-dimensionally curved thermoplastic blades. Vibration-free running thanks to dynamic balancing according to quality level G 6.3 VDI 2060 and DIN ISO 1940. Three-phase squirrel-cage motor, closed design, maintenance-free, sealed, low-noise ball bearings with long-term lubrication, not adjustable. Ex version according to ATEX.