Backward Inclined Centrifugal Fan, Multi-Drive, Inline Ventilation

Centrifan C

Proprietary design combines exceptional performance and a space-saving footprint in an inline centrifugal, V-belt or direct drive, non-overloading blower package. Any-orientation installation, unusually quiet, compact design for high-volume clean or light fume airflow applications.

Peerless Ultra-High Efficiency Wheel
Integrated Airflow Conversion Vanes (Most Models)
16 Models, 435 to 67,407 CFM, Max 8.5" SP
Arrangement 1, 4, and 9 (All Tubular)
Download Catalog

Centrifan C

Capability

Common Applications

Clean Air and Light Fume Applications: Car Wash, Clean Room, Data Center, Combustion Air Supply, HVAC, Light Fume Exhaust, Industrial Process.

Airflow

Clean Air and Light Fumes from 435 CFM to 67,407 CFM. AMCA Class 1 up to 5" SP. AMCA Class 2 up to 8.5" SP. AMCA Class 3 up to 8.5" SP.

Size Format

Tubular Centrifugal Fan. AMCA Arrangement 1, 4, and 9 (All Tubular).

Wheel

Steel Backward Inclined Non-Overloading Wheel. Diameters 10.5" to 49". Steel Flat Backward Curved Wheel up to 16,884 CFM and 8.5" SP (up to Model C2450). Airfoil Bladed Wheel up to 67,407 CFM and 8.5" SP (Model C2700 and above).

Drive

By Arrangement, Direct Drive or Fixed/Adjustable Pitch V-Belt Sheave Drive. Premium Efficiency, 120 to 480VAC Single or Three Phase, NEMA Enclosure and Frame Size Motors.

Temperatures

Arrangement 1 and 9: Operating Temperature -20°F to 150°F. Arrangement 4: Operating Temperature -20°F to 100°F. Consult factory for special high temperature units.

Inlet

Circular Bolted Inlet Flange Lip 14.125" to 66.4375" Inside Diameters.

Outlet

Circular Bolted Outlet Flange Lip 14.125" to 66.4375" Inside Diameters.

Construction

Steel Sheet, Gray Powder-Coated Finish. AMCA Class 1, 2 and 3. Indoor / Outdoor, Heavy-Duty.

Spark Resistance

Optional AMCA Spark A, B, or C Resistant Construction.

Approvals

ISO-9001 Certified Shop. AMCA Accredited In-House Test Laboratory.

Centrifan C

Available Models

Model

C-1050

C-1220

C-1350

C-1500

C-1650

C-1820

C-2000

C-2220

C-2450

C-2700

C-3000

C-3300

C-3650

C-4020

C-4450

C-4900

Wheel Diameter

10 1⁄2

12 1⁄4

13 1⁄2

15

16 1⁄2

18 1⁄4

20

22 1⁄4

24 1⁄2

27

30

33

36 1⁄2

40 1⁄4

44 1⁄2

49

Max CFM

1848

3600

4416

6328

7644

9296

11396

14028

16884

20485

25281

30582

37520

45256

55896

67407

Max SP

6

7.5

7.5

8.5

8.5

8.5

8.5

8.5

8.5

8.5

8.5

8.5

8.5

8.5

8.5

8.5

Max BHP

4.11

7.27

8.58

14.64

19.36

23.75

24.25

29.65

37.68

44.45

54.87

66.39

73.33

89.18

109

127

Inlet Area Sq. Ft.

1.087

1.5

1.84

2.26

2.73

3.32

4.07

5.01

6.03

7.316

9.029

10.922

13.4

16.163

19.963

24.074

Outlet Area Sq. Ft.

1.087

1.5

1.84

2.26

2.73

3.32

4.07

5.01

6.03

7.316

9.029

10.922

13.4

16.163

19.963

24.074

Max RPM

Class I

Class II

4166

4710

3273

4072

2871

3693

2458

3241

2402

3165

2069

2741

2054

2507

1706

2315

1563

2097

1579

2077

1421

1869

1292

1699

1195

1572

1083

1426

980

1290

890

1171

Shaft Diameter

Class I

Class II

1

1

1

1 3⁄16

1

1 3⁄16

1

1 3⁄16

1

1 7⁄16

1 3⁄16

1 7⁄16

1 3⁄16

1 7⁄16

1 3⁄16

1 11⁄16

1 7⁄16

1 11⁄16

1 11⁄16

1 15⁄16

1 11⁄16

1 15⁄16

1 15⁄16

2 3⁄16

2 3⁄16

2 3⁄16

2 3⁄16

2 7⁄16

2 3⁄16

2 11⁄16

2 7⁄16

2 15⁄16

Fan Selection Tool

Our online fan selection tool will help you identify a suitable model for your application's requirements.

Centrifan C

Construction

Heavy-gauge steel, reinforced motor and bearing supports, and precision-fabricated components make Peerless' Centrifan C a reliable, long-life solution, with novel performance benefits unique in the industry.

Wheel

Our high-efficiency "Peerless" wheel design features precision-fabricated impeller blades/foils that are fully welded to a spun wheel cone, balanced against a CNC laser-cut backplate and cast-iron hub.

Flat Backward Curved Wheels on Models C1050 to C2450.
Airfoil Bladed Wheels on Models C2700 to C4900.
Dynamic Factory Balanced.
Die-Formed, Single Piece Blade Construction.

Conversion Vanes

Unique aerodynamically-designed conversion vane system straightens airflow as it exits the fan housing, virtually eliminating turbulence and vastly minimizing noise. Not available on Model C1050 due to size limitations - can be added to discharge ducting.

Virtually Eliminates Air Turbulence.
Vastly Lowers Noise Levels.
Greatly Stabilizes Discharge Pressure.

Housing

Compact tubular, inline housing design allows for 'any orientation, any position' installation, saves space, and eliminates the need for ducting turns and transitions.

Indoor, Outdoor Rated.
Horizontal or Vertical Orientation.
Ceiling, Floor, Wall Installation.
Powder-Coated Finish.

Motor Positions

Designed to be installation and maintenance friendly, the centrifugal inline fan has 5 motor mounting location options around the housing, and 2 additional frame-mounted options when configured in Arrangement 1.

Multiple Motor Mounting Options.
Maintenance Friendly Positioning.
On-Frame and On-Housing Arrangements.

Drive System

Configure as either an adjustable pitch V-belt or direct drive, with heavy-duty motor base rails, ground and polished keyed shafts, and self-aligning normal duty bearings.

V-Belt or Direct Drive.
Factory-Set RPM Available.
Single Speed, TEFC, Inverter Duty Motor.
100K Run Hour Bearings.

Centrifan C

Arrangements

Peerless' Centrifan C is available in Tubular Fan Arrangement 1, 4, and 9.

Arrangement 1 Tubular

AMCA Tubular Arrangement 1 utilizes a V-Belt drive motor mounted to an integral base that also supports the fan housing. Intended for horizontal mounting.

V-Belt Drive with Motor Mounted to Integral Base.
Floor Mount.
Horizontal Orientation.

Arrangement 4 Tubular

AMCA Tubular Arrangement 4 employs a direct drive and overhung impeller attached to the motor shaft, with no external bearings. Intended for horizontal or vertical, floor or ceiling mounting.

Direct Drive with Overhung Impeller.
Floor, Ceiling, or Wall Mount.
No Bearings on Fan.
Onboard Motor.

Arrangement 9 Tubular

AMCA Tubular Arrangement 9 mounts the motor directly to the fan casing (housing), using a V-Belt drive motor. Intended for horizontal or vertical, and floor, ceiling, or wall mounting.

V-Belt Drive with Motor Mounted on Housing.
Floor, Ceiling, or Wall Mount.
Suspended, Duct, Or Bracket Mounting.

Centrifan C

Options

Peerless' Centrifan C series offers multiple performance, safety, and reliability-enhancing options which can be configured at the factory or added to existing units in the field.

Radial Inlet Vane

Radial Inlet Vanes smooth airflow turbulence, reduce noise, and improve fan performance. Nested vanes can be installed into the inlet cones of models C2700 and up. Duct-type vanes are standard on models C1050 to C2450.

Improve Aerodynamics.
Reduce Noise.
Automatic or Manual Control.
Locking Operator on Manual Vanes.

Weather Cover

The solid sheet metal Weather Cover installs over the belt drive and motor frame, offering weather protection without the need of a separately constructed penthouse or canopy.

Eliminates Separate Canopy Cover.
Solid Metal Protection.
Removable for Maintenance.

Belt Guard

Our heavy-duty Belt Guard is fabricated from solid sheet or expanded metal and installed over the V-belt drive, providing personnel protection from the drive's moving parts.

Added Personnel Protection.
Covers All Rotating Parts.

Roof Fan

Inline centrifugal fan models C1220 through C4900 can be configured for Roof Mounting by using a roof curb cap and stack hood with a built-in butterfly damper.

Vertical Roof Mounting.
​​Max Velocity 3,200 FPM.

Ultra-Swing Fan

Configured for simple, immediate inspection access, the Ultra-Swing Fan option adds housing hinges and side latches to swing open the shell for full view of all internal components.

For Vertical Mount Upblast, Class 1 Models C1820 to C4900.
Full Internal Visibility.
Gasketed Seal for Zero Performance Loss.

Safety Screen

For applications where either the inlet or outlet are not ducted away, a Safety Screen constructed of heavy gauge metal wire mesh can be added to protect against objects entering the housing.

Personnel and Fan Protection.
Heavy Gauge Steel Wire Mesh.
Securely Bolted to Flange Connection.

Clean-Out Doors

For easy inspection and cleaning, bolted Clean-Out Doors can be provided around the perimeter of the fan housing. Our gasketed doors can be provided with bolted or quick-release hardware.

Quick Inspection Access.
Gasketed Doors.
Quick Release Hardware.

Spark Resistance

For applications where hazardous gases or other ignitable conditions exist, Peerless offers fully spark-resistant construction and explosion-proof motors per AMCA Spark A, B, and C hazard classifications.

​Hazardous Condition Protection.
​​AMCA Spark A, B, C.
Explosion Proof Motors.

Motors

Peerless can provide nearly any special motor specification, including multi-speed windings, stainless steel casings, washdown and other environmental ratings, inverter duty, explosion proof, IEC and other frame sizes, and more.

Any Compatible Motor Can Be Provided.
Domestic or International Frames.
Special Environment Ratings.

Other Accessories

Additional Peerless Inline Centrifugal Fan options include multiple paint and finish options, custom mounting, bearing upgrades, and more!

Paint and Coating Options.
Bearing Upgrades.
And More!

Stay In Touch!

Subscribe for Our Newsletter