Dynair PQ-L Backward curved blade centrifugal fans for dusty air

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

CATALOGUE

The fans of the PQ-L series find their main application in industrial plants of conditioning, ventilation, heating and filtering; they can also be used as part of manufacturing process (wood industry, chemical industry, mills, mines, foundries, etc.). They can convey dusty (not abrasive) air and smoke, with temperature from -20°C to 80°C in the standard configuration 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 high capacity, medium-high pressures. They can also be used as part of manufacturing process (wood industry, chemical industry, mills, mines, foundries, etc.).

Upon request:

  • High temperature version suitable for conveying hot gases, Max 150°C (PQ-L/AT EX4)
  • High temperature version suitable for conveying hot gases, Max 300°C (PQ-L/AT EX1,12)
  • Corrosion resistant version, manufactured with casing, inlet side and impeller in stainless steel AISI304 (PQ-L/INOX)
  • PQ-L ATEX version according to Directives 94/9/CE and 2014/34/UE
TYPE GENERAL
DESCRIPTION
ADDITIONAL INFORMATION SPEED VARIOUS kW GROUP CODE ARTICLE
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 2,2 PQ-L 7PQ4004 PQL 402B ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 3 PQ-L 7PQ4006 PQL 402A ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 4 PQ-L 7PQ4511 PQL 452B ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 5,5 PQ-L 7PQ4500 PQL 452A  ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 7,5 PQ-L 7PQ5003 PQL 502B   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 11 PQ-L 7PQ5015 PQL 502A   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 11 PQ-L 7PQ5616 PQL 562B   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 15 PQ-L 7PQ5612 PQL 562A   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 1,5 PQ-L 7PQ5617 PQL 564B  ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 2,2 PQ-L 7PQ5618 PQL 564A   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 22 PQ-L 7PQ6318 PQL 632B   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 30 PQ-L 7PQ6317 PQL 632A   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 3 PQ-L 7PQ6320 PQL 634B   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 4 PQ-L 7PQ6316 PQL 634A   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 37 PQ-L 7PQ7000 PQL 712B   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 45 PQ-L 7PQ7001 PQL 712A   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 4 PQ-L 7PQ7002 PQL 714B   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 5,5 PQ-L 7PQ7003 PQL 714A   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 7,5 PQ-L 7PQ8006 PQL 804B   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 11 PQ-L 7PQ8000 PQL 804A   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 15 PQ-L 7PQ9107 PQL 904B   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 22 PQ-L 7PQ9108 PQL 904A   ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 30 PQ-L 7PQ1008 PQL 1004B ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 37 PQ-L 7PQ1005 PQL 1004A ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 7,5 PQ-L 7PQ1012 PQL 1006B ES.4
BACKARD CURVED BLADES CENTRIFUGAL FANS
& ACCESSORIES
BACKWARD CURVED BLADE
MEDIUM-HIGH PRESSURE
CENTRIFUGAL FANS
THREE-PHASE SINGLE 11 PQ-L 7PQ1013 PQL 1006A ES.4