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Backward Curved Blade Centrifugal Fans For Clean Air

PR-L

Backward curved blade centrifugal fans for clean or slightly dusty air

Product available also in:ATEX FansHigh TemperatureAnti Corrosion
Erp

The fans of the PR-L series fi nd their main application in commercial and industrial plants of air-conditioning, ventilation, heating and filtering; they can be used as well in industrial processing (baker ovens, spray booths, boilers, silos, cooling systems, etc.). PRL fans can convey clean or slightly dusty air and smoke with max. temperature from minimum temperature of -20°C to a max. temperature of +80°C in standard confi guration and up to 300°C with specials constructions.

The series foresees direct drive version (execution 4) and belt drive version (execution 1, 9 and 12). Suitable for very high capacities and low pressure.

Upon request:
• High temperature version suitable for conveying hot gases, Max 150°C (PR-L/AT EX4).
• High temperature version suitable for conveying hot gases, Max 300°C (PR-L/AT EX1,12).
• Corrosion resistant version, manufactured with casing, inlet side and impeller in stainless steel AISI304 (PR-L/INOX).
PR-L ATEX according to Directives 94/9/CE and 2014/34/UE

Construction

• Volute casing in steel sheet , protected against atmospheric agents by epoxy paint.
• Aerodynamically shaped inlet cone in steel sheet, protected against atmospheric agents by epoxy paint.
• Single inlet backward curved wheel with high efficiency, manufactured in steel sheet and epoxy painted. For high rotational speed, versions in class 3 are foreseen.
• For execution 1 – 9 – 12: mono-block support in cast iron with ball bearings, , designed for easy lubrication. Pulleys, belts and motor support. Belt protection guard.
• Asynchronous three-phase motors according to international standards IEC 600034, 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).

Accessories

• Condensation drain hole (TS)
• Inspection door (PI)
• Inlet counter-flange (CFA)
• Outlet counter-flange (CFP)
• Inlet protection guard (RA)
• Outlet protection guard (RP)
• Inlet flexible connector (GA)
• Outlet flexible connector (GP)
• Inlet vane control
• Outlet setting shutter
• Anti-vibration mounts

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