HRFD 315/4 EX – Helios – Cased Axial Fan – Low Pressure

HRFD 315/4 EX – Helios – Cased Axial Fan – Low Pressure 

Axial high-performance fan with cylindrical tube sleeve, flanges on both sides, directly driven, explosion-proof according to ATEX.

Cylindrical pipe made of galvanized sheet steel, encircling with impeller, molded flange on both sides, hole pattern according to DIN 24155. With external terminal box.

Impeller with 7 blades made of thermoplastic. High efficiency, low operating noise. Vibration-free running due to dynamic balancing according to quality level G 6.3 VDI 2060 and DIN ISO 1940. Can be used in the range from -20 ° C to +40 ° C. Surface resistance less than 1 GOhm.

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.

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