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. The dimensions are reduced tank to the absence of the motor support.
The series is suitable for running at the temperature of +100°C in S1 service and CE certified to F400 by the independent notified body Applus according to EN 12101-3.
• Volute casing with quadrangular frame, manufactured in galvanized steel sheet.
• Single inlet, backward curved wheel with high efficiency, manufactured in galvanized steel sheet and die-cast aluminium hub.
• Execution 5 (impeller directly coupled to flanged motor), rotation RD.
• Double speed asynchronous three-phase motor manufactured according to international standards IEC 600034, IEC 60072, EMC 2014/30/UE, LVD 2014/35/UE, CE marked, IP 55, class F. Double speed by delta/star switching. Electric supply: 400V / 50 HZ three phase.
• Inlet/outlet fl exible connectors
• Inlet and outlet protection guard manufactured according to UNI 12499 norm and protected against atmospheric agents.
• Inlet/outlet counterfl ange
• Antivibration supports
• Self transformer or inverters speed controllers