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Supplier: New York Blower Company (The)
Description: A complete line of flat backward curve blade designs with a specific speed range – 10,000 to 70,000. nyb Backward Curved Custom Fans have a curved, single-thickness blade with good wear resistance for use in dust laden applications, such as combustion
- Air Flow Rate: 1,000,000 SCFM
- Static Pressure: 476.7871674924571 in H2O
- Media Temperature: 1,800 F
- Maximum Diameter (Fan or Blower Wheel): 12 to 150 inch
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Supplier: Rosenberg USA
Description: Rosenberg GKHR 500-CII.164.5HF Gen3 AMCA-Certified backward curved I-Series EC fan with five-blade sheet aluminum impeller. Airflow 4231 CFM @ 2.00 in WC; 6769 CFM @ free air.
- Air Flow Rate: 6,769 SCFM
- Maximum Diameter (Fan or Blower Wheel): 19.68505 inch
- Applications / Use: Air Handling Units / HVAC
- Material of Construction: Aluminum
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Supplier: Twin City Fan & Blower
Description: Application The BCN is a lower volume, higher pressure fan which utilizes a high efficiency, backward curved, non-overloading blade design. The BCN offers a lower specific speed design featuring single thickness blades, suitable for industrial processes involving
- Air Flow Rate: 700 to 75,000 SCFM
- Static Pressure: 506.78716749245723 in H2O
- Maximum Diameter (Fan or Blower Wheel): 27 to 73 inch
- Applications / Use: Air Handling Units / HVAC, Pressure / Pressurization Blower
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Supplier: Hartzell Air Movement
Description: Achieve maximum performance and quiet operation with the Hartzell Series 03 Backward Curved Centrifugal Fan, featuring a single-width, single-inlet (SWSI) design. Suitable for handling clean air and industrial fumes, this heavy-duty centrifugal fan is available in wheel
- Static Pressure: 0 to 25 in H2O
- Maximum Diameter (Fan or Blower Wheel): 12 to 73 inch
- Material of Construction: Aluminum, Stainless Steel, Steel
- Design: Centrifugal
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Supplier: Allied Electronics, Inc.
Description: Backward curved centrifugal fans feature extremely long dirt and dust resistant blades with high hydraulic efficiency. Features: UL, CSA, CE Approvals Class "B" Insulation PA 6 Plastic Impeller Maintenance-Free Ball Bearings Leadwire Connections 40°C Maximum Ambient
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Supplier: Twin City Fan & Blower
Description: packaged air handlers, parts washers, penthouses, smoke houses, space heaters, spray booths, and other high temperature applications. The BEPL Plug Fan features a SWSI backward curved, non-overloading, single thickness airfoil type wheel. The unique wheel design offers increased
- Air Flow Rate: 700 to 76,000 SCFM
- Static Pressure: 418.7871674924572 in H2O
- Maximum Diameter (Fan or Blower Wheel): 12 to 49 inch
- Applications / Use: Air Handling Units / HVAC
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Supplier: Howden
Description: Covent Type C - Backward curved blower fans Howden Covent Type C Fans. Fifteen rotor designs to cover the full market range of from very low through high flow vs. pressure at optimum efficiency. The low flow fans have parallel shrouds for stable performance and the
- Media Temperature: 800.6 F
- Design: Centrifugal
- Environment: Clean Air / Gas, Dirty Air / Gas
- Product Form: Packaged (Complete System)
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Supplier: Allied Electronics, Inc.
Description: EBM 220 mm backward curved centrifugal fan features extremely long blades, is highly resistant to dirt and dust and has very high hydraulic efficiency. Impeller Completely Made of Plastic PA 6 Maintenance-Free Ball Bearings Insulation Class “B”. Cable Exit: Variable.
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Supplier: AirPro Fan & Blower Co.
Description: The AirPro backward inclined fan (BIHS) is used for clean-air applications to move high volumes of air at a variety of static pressures, such as in dust-collection systems. The AirPro BIHS centrifugal fan is offered in belt-driven, direct-driven, and direct-coupled arrangements
- Air Flow Rate: 350,000 SCFM
- Static Pressure: 25 in H2O
- Media Temperature: 1,000 F
- Design: Centrifugal
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Supplier: Pelonis Technologies, Inc.
Description: PTEE-Z series backward curve centrifugal fans include a compact radial fan with high airflow performance and long-term reliability. They can withstand high pressure during operation at low noise levels, are moisture resistant, and allow easy installation in complex systems and
- Static Pressure: 1.35 in H2O
- Applications / Use: Air Handling Units / HVAC, Exhaust Ventilation
- Design: Centrifugal
- Environment: Clean Air / Gas
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Supplier: Air Control Industries Inc.
Description: Low to medium pressure blower, low noise, reverse blade impeller with direct drive. Typical Applications: Aeration, Agriculture, Heat Treatment, Ovens & Burners, Boilers, Chemical Processing, Composting, Cremators, Film Blowing, Fired Heaters, Fish Farms, Flotation Beds, Fluid Beds, Forge
- Air Flow Rate: 300 to 1,100 SCFM
- Static Pressure: 413.2871674924572 to 417.2871674924572 in H2O
- Media Temperature: 176 F
- Material of Construction: Aluminum
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Supplier: New York Blower Company (The)
Description: New York Blower Single-Width Fans feature three types of backward inclined wheels for maximum selection flexibility and optimum performance: AcoustaFoil® wheels with airfoil blades for highest efficiency in clean, dry airstreams, PLR wheels with flat, single-thickness
- Air Flow Rate: 0 to 200,000 SCFM
- Static Pressure: 406.7871674924572 to 420.7871674924572 in H2O
- Media Temperature: 650 F
- Maximum Diameter (Fan or Blower Wheel): 12 to 73 inch
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Supplier: Allied Electronics, Inc.
Description: EBM 220 mm backward curved centrifugal fan features extremely long blades, is highly resistant to dirt and dust and has very high hydraulic efficiency. Impeller Completely Made of Plastic PA 6 Maintenance-Free Ball Bearings Insulation Class “B”. Cable Exit: Variable.
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Supplier: Howden
Description: Donkin Standard Range Standard centrifugal fans, including single inlet, with a variety of radial bladed ,forward curved , backward curved and self-cleaning impellers. Key benefits Robust construction Low capital investment Simple installation
- Air Flow Rate: 176.499 to 15,296.58 SCFM
- Media Temperature: 437 F
- Design: Centrifugal
- Environment: Clean Air / Gas
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Supplier: Bratney Companies
Description: Cimbria Centrifugal Fan CM The Cimbria Centrifugal Fan type CM is a medium-pressure fan having backward curved impeller blades manufactured in steel plate. The impeller is self-cleaning and dynamicaly balanced. The CM Fans are as standard equipped
- Air Flow Rate: 4.824306 SCFM
- Static Pressure: 4.9212598425196665 in H2O
- Design: Centrifugal
- Environment: Clean Air / Gas
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Description: CENTRILINE® FAN SERIES 2100. Compact inline centrifugal fan with backwardly curved, airfoil bladed wheel. Sizes 15" through 73". Capacities to 160,000 CFM. Classes I, II and III. Series 2100A with aluminum wheel option also is available.
- Air Flow Rate: 160,000 SCFM
- Maximum Diameter (Fan or Blower Wheel): 15 to 73 inch
- Applications / Use: Air Handling Units / HVAC
- Design: Centrifugal
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Supplier: Fläkt Woods Group SA
Description: The GT-3 CENTRIMASTER belt-driven, single inlet centrifugal fans cover air flow rates up to 27 m3/s and pressure rises up to 3300 Pa. The fan series consists of centrifugal fans available with two types of impeller: - Forward-curved blades for the GTLF fans
- Air Flow Rate: 57,209.814 SCFM
- Static Pressure: 13.248306526386054 in H2O
- Media Temperature: 104 to 176 F
- Applications / Use: Air Handling Units / HVAC
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Supplier: Fläkt Woods Group SA
Description: The GT-5 CENTRIMASTER belt-driven, double inlet centrifugal fans cover air flow rates up to 50 m3/s and pressure rises up to 3300 Pa. The fan series consists of centrifugal fans available with two types of impeller: - Forward-curved blades for the GTLF fans
- Air Flow Rate: 105,944.1 SCFM
- Static Pressure: 13.248306526386054 in H2O
- Media Temperature: 104 to 176 F
- Applications / Use: Air Handling Units / HVAC
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Supplier: Fläkt Woods Group SA
Description: The GT-1 CENTRIMASTER direct-driven, single inlet centrifugal fans cover air flow rates up to 7 m3/s and pressure rises up to 2000 Pa. The fan series consists of centrifugal fans available with two types of impeller: - Forward-curved blades for the GTLF fans
- Air Flow Rate: 14,832.174 SCFM
- Static Pressure: 8.029276682658205 in H2O
- Media Temperature: 104 to 176 F
- Applications / Use: Air Handling Units / HVAC
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Supplier: ebm-papst Inc.
Description: Less noise, higher performance ebm-papst centrifugal fans are available with forward and backward-curved blades. The quiet-running centrifugal fans with forward-curved blades are also supplied with a scroll housing. The centrifugal fans with
- Air Flow Rate: 55.30302 SCFM
- Media Temperature: -22 to 176 F
- Applications / Use: Air Handling Units / HVAC
- Design: Centrifugal
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Supplier: Ziehl-Abegg Inc.
Description: Specification: Vpro free running impeller with 6 backward curved, three-dimensional, profiled blades. Impeller diameters from 190 to 630 mm, made from composite material. Equipped with inlet ring. Attributes and special features: High air volumes, high efficiency, low noise
- Air Flow Rate: 8,824.95 SCFM
- Static Pressure: 4.014638341329109 in H2O
- Maximum Diameter (Fan or Blower Wheel): 24.803163 inch
- Applications / Use: Air Handling Units / HVAC, Exhaust Ventilation, Product / Process Cooling
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Supplier: Ziehl-Abegg Inc.
Description: Specification: Double inlet centrifugal fans in standard scroll housings with backward curved blades. Impeller diameters from 315 to 560 mm are available, resulting in air volumes up to 27,000 m³/h. Attributes and special features: Optimal motor cooling and a compact
- Air Flow Rate: 15,884.91 SCFM
- Maximum Diameter (Fan or Blower Wheel): 22.047256 inch
- Design: Centrifugal
- Environment: Clean Air / Gas
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Supplier: Ziehl-Abegg Inc.
Description: Specification: Plug fan without housing for medium temperatures up to +250 °C. High efficiency impeller with backward curved blades and rotating diffuser. Square or rectangular fan supporting plates and troughs are available, both with 100mm thermal insulation.
- Air Flow Rate: 34,123.14 SCFM
- Static Pressure: 10.839523521588594 in H2O
- Maximum Diameter (Fan or Blower Wheel): 40.551203 inch
- Design: Centrifugal
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Supplier: Ziehl-Abegg Inc.
Description: Specification: Impeller with 9 backward curved blades with impeller diameters from 355 to 630 mm. Made of galvanized sheet-steel. Steel scroll housing of stitch welded construction, additionally powder coated. Static pressure increases are possible up to ca. 7,500 Pa. Attributes
- Static Pressure: 30.10978755996832 in H2O
- Maximum Diameter (Fan or Blower Wheel): 24.803163 inch
- Design: Centrifugal
- Environment: Clean Air / Gas
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Supplier: Robinson Fans
Description: in the fan design application and manufacturing business. The heart of the unit is a 12 blade rotor of shrouded design. The 12 blades are welded to a heavy back plate. The hub assembly is in turn attached to the back plate on most sizes through a second heavy plate approximately
- Applications / Use: Air Handling Units / HVAC, Exhaust Ventilation, Materials Handling / Pneumatics
- Material of Construction: Aluminum, Stainless Steel
- AMCA Class: Class I, Class II, Class III
- Environment: Clean Air / Gas
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Supplier: Hartzell Air Movement
Description: directly in a duct system. The “tubular centrifugal” (in-line) fan utilizes the Type FA backward-curved, airfoil-bladed wheel in a vane-equipped housing and produces straight airflow with the same inlet and discharge dimensions. Series 40 Fans are available in Class I and
- Static Pressure: 0 to 25 in H2O
- Maximum Diameter (Fan or Blower Wheel): 12 to 60 inch
- Design: Centrifugal
- AMCA Class: Class I
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Supplier: SAE International
Description: The effective cooling of a two wheeler scooter engine depends on the efficient performance of the cooling fans. In scooters, centrifugal fan with axial air inflow and radial outflow with either backward curved or forward curved blades are used. The air flow
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Supplier: Allied Electronics, Inc.
Description: Backward curved centrifugal fans feature extremely long dirt and dust resistant blades with high hydraulic efficiency. Features: UL, CSA, CE Approvals Class "B" Insulation PA 6 Plastic Impeller Maintenance-Free Ball Bearings Leadwire Connections 40°C Maximum Ambient
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Supplier: Hartzell Air Movement
Description: centrifugal fan. Standard sizes range from 12 through 49″, ARRG. 1 and 9, Class I, II or III construction. The “tubular centrifugal,” or in-line fan, offers straight airflow for duct installations with the proven, highly efficient, backward curved, airfoil-bladed wheel in
- Static Pressure: 0 to 8 in H2O
- Maximum Diameter (Fan or Blower Wheel): 12 to 49 inch
- Material of Construction: Aluminum, Stainless Steel, Steel
- Design: Centrifugal
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Supplier: New York Blower Company (The)
Description: FEATURES • Single-thickness, backward-curved wheel constructed of high-strength, low alloy steel for dependable operation in moist or light particulate-laden airstreams. • Wheel sizes from 24” to 73” blade diameters. • Capacities to 80,000 CFM. • Pressures to 110”WG. •
- Air Flow Rate: 0 to 80,000 SCFM
- Static Pressure: 406.7871674924572 to 516.7871674924571 in H2O
- Media Temperature: 800 F
- Maximum Diameter (Fan or Blower Wheel): 24 to 73 inch
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Based off of the proven single thickness backward curved wheel, the New York Blower Company has incorporated the latest state of the art design tools including finite element design, computational fluid dynamics, laboratory testing and alloy technology to create a high efficiency (read more)
Browse Fans and Blowers (industrial) Datasheets for New York Blower Company (The) -
Pelonis Technology - RoHS compliant, forward curve AC centrifugal fans. Sizes from 133mm (5.2") to 320mm (12.6") and 230V. Airflow from 230 CFM to 5,886 CFM. High efficiency inlet designs, lubricated maintenance-free ball bearings, vibration-free operation, compact and rugged rugged construction. IP42 rating w/40,000 hours operation. Insulation class F. (read more)
Browse HVAC Fans and Blowers Datasheets for Pelonis Technologies, Inc. -
makes them a perfect fit in a broad variety of equipment. They feature a rated life expectancy L10 with a minimum 50,000 hours of operation at air temperatures up to 158°F. IP44 protection is standard. The ECOFIT backward curved line includes fans with diameters of 180 mm (read more)
Browse Electronic Cooling Fans Datasheets for Rosenberg USA -
Rosenberg USA has introduced two new high-efficiency backward curved impellers equipped with integral inlet cones for optimal airflow. The new DKHR Series fans are available in 630 mm and 710 mm and are suitable for a wide range of HVAC and air (read more)
Browse HVAC Fans and Blowers Datasheets for Rosenberg USA -
many non-medical buildings are adding or ugrading air filtration to mitigate disease transmission through the air. Fan sizing, efficiency, airflow rate and reliability are extremely important in these environments. Rosenberg and Ecofit backward curved impellers offer a small (read more)
Browse Fans and Blowers (industrial) Datasheets for Rosenberg USA -
Rosenberg USA is introducing backward-curved plug fans featuring new larger size 6 Gen 3+ EC motors. The first of the new fans scheduled to ship from the company’s North Carolina warehouse by late January. (read more)
Browse Electronic Cooling Fans Datasheets for Rosenberg USA -
comply with the requirements of the AMCA Certified Ratings Program. The fan’s seven-blade backward curved impeller design (instead of the standard eight) and unique wheel geometry provide for impeller efficiencies up to 78% while reducing noise by up to three dB(A). It also increases (read more)
Browse Fans and Blowers (industrial) Datasheets for Rosenberg USA -
Rosenberg's new 500-mm backward curved impellers with size 6 Gen 3+ EC motors deliver more cooling power. The Rosenberg GKHM 500-CIB.160.6NA IE GEN 3+ (Part Number N88-50322) features a 7.3 kW motor that produces 8011 CFM @ 4 inWG at 460 Volt or 6004 CFM @ 4 inWG at 230 Volt. While (read more)
Browse Electronic Cooling Fans Datasheets for Rosenberg USA -
New Ecofit® 192-mm Backward-Curved Fan Module Optimizes Airflow, Efficiency (read more)
Browse Fans and Blowers (industrial) Datasheets for Rosenberg USA -
Three sizes of Rosenberg backward curved fans with electronically commutated (EC) motors are now available with three-phase 5.5 kW motors for greater power and efficiency. They are 100% speed controllable and are CE, UL and RoHS approved. Other features include closed motor protection (read more)
Browse HVAC Fans and Blowers Datasheets for Rosenberg USA
Conduct Research Top
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Rethinking the Centrifugal Fan Selection
The centrifugal fan is one of the most prevalent fan types used in the HVAC industry today. Two main categories of centrifugal fans are those that use impellers with forward curved (FC) blades and those that use impellers with backward curved (BC) blades. Each category is descriptive
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Power Plant Fan Noise Data
5 NOTE: If airfoil or backward curved blade fans are used, use sound power levels as listed for forced draft fans.
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Ventilation Transport Trade Study for Future Space Suit Life Support Systems
The U51 series fans are classified by Micronel as miniature radial blowers while the other commercial fans appear to be traditional centrifugal fans, probably using backward curved fan blades .
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Food Industries Manual
(b) the backward curved blade fan .
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Boiler house fans
Vector diagram for a backward - curved blade fan . which makes it particularly suitable for use with pulverized fuel (Fig. 5).