KVD 250/4/50/30 EX – Helios – InlineVent – Rectangular fan

KVD 250/4/50/30 EX – Helios – InlineVent – Rectangular fan

Duct centrifugal fan for direct mounting in a rectangular duct system, explosion-proof according to ATEX.

Housing made of galvanized sheet steel with standardized channel flange profiles on both sides, space-saving design, easy to service due to the swiveling motor-impeller unit.

Forward curved drum impeller made of galvanized steel, good efficiency, low noise.

Aerodynamically optimized spiral casing;Inflow via nozzle. Impeller motor unit dynamically balanced.

Drive: three-phase external rotor motor, explosion-proof according to ATEX, closed design, maintenance-free, sealed. Low-noise ball bearings with long-term lubrication, built-in PTC thermistor.

Speed ​​control is permitted when connecting the PTC thermistor to the MSA tripping device (however, the minimum voltage must not fall below 100 V).

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KVD