• Volute casing with quadrangular frame, manufactured in galvanized steel sheet and protected against atmospheric agents with epoxy finish.
• Single inlet, backward curved wheel with high efficiency, manufactured in galvanized steel sheet and die-cast aluminium hub.
• Execution 5 (impeller directly coupled to fl anged motor), rotation RD.
• Asynchronous three-phase or single-phase motors according to international standards IEC 60034, IEC 60072, EMC 2004/108/CE, LVD 2006/95/CE, CE marked, IP 55, class F, suitable to S1 service (continuous working at constant load).

Suitable for conveying clean or slightly dusty air, up to a maximum temperature of 100°C. The main characteristic of the PR-Q series is the quadrangular construction, which allows to obtain four orientations (0°-90°-180°-270°) with the same fan.

VERSIONS:
PR-Q AT-2V with special construction for conveying air up to a max temperature of 200°C in continuous (S1) and 2 speed suitable to delta/star switching.
PR-Q HT 2V is the version for fire smoke extraction is also available S2 operation, tested F400
according to EN12101-3: see smoke extraction range.