Backward Inclined Centrifugal Blower, Belt Drive, General Application

Ultrafan-Pak 2000 Utility Blower B

Low-sound, high-efficiency non-overloading reverse blade blower featuring a heavy-duty base, multi-position discharge, adjustable V-belt drive, and many customizable options. For clean air and light fume applications.

Fully Welded Steel Frame
13 Models, 509 to 32,172 CFM at max 8.5" SP
AMCA Class 1 and 2 Certified Performance
Arrangement 10 SWSI
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Ultrafan-Pak 2000 Utility Blower B

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 509 CFM to 32,172 CFM. AMCA Class 1 up to 5" SP. AMCA Class 2 up to 8.5" SP.

Size Format

AMCA Arrangement 10 SWSI: Single Width Single Inlet.

Wheel

Steel Backward Inclined Non-Overloading Wheel. Diameters 10.5" to 36.5". Flat Blade Wheel up to 15,907 CFM and 8" SP (up to Model 245). Airfoil Wheel up to 32,172 CFM and 8.5" SP (Model 270 and above).

Drive

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

Temperatures

Steel Wheel: 300°F max at full airflow capacity, 600°F max at 85% derated capacity. Aluminum Wheel option: 150°F max at full airflow capacity, 250°F max at 80% derated capacity.

Inlet

Circular Inlet Duct Ring Diameter 12.875" to 39".

Outlet

Rectangular Outlet 11.75" H x 8" W to 39.25" H x 28.5" W.

Construction

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

Spark Resistance

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

Approvals

AMCA Certified Performance on B Models. ISO-9001 Certified Shop. AMCA Accredited In-House Test Laboratory.

Ultrafan-Pak 2000 Utility Blower B

Available Models

Model

B-122

B-105

B-135

B-150

B-165

B-182

B-200

B-222

B-245

B-270

B-300

B-330

B-365

Wheel Diameter

12 1⁄4

10 1⁄2

13 1⁄2

15

16 1⁄2

18 1⁄4

20

22 1⁄4

24 1⁄2

27

30

33

36 1⁄2

Max CFM

4118

2671

5035

5888

7176

8735

10199

13004

15907

15922

19646

23788

30640

Max SP

8 1⁄2

8 1⁄2

8 1⁄2

8 1⁄2

8 1⁄2

8 1⁄2

8 1⁄2

8

8

8 1⁄2

8 1⁄2

8 1⁄2

8 1⁄2

Max BHP

5.79

4.02

7.03

8.31

10.05

11.94

14.76

18.73

22.58

21.56

26.6

31.26

41.61

Inlet Area Sq. Ft.

0.921

0.894

1.108

1.374

1.67

2.02

2.435

3.015

3.65

4.43

5.469

6.618

8.11

Outlet Area Sq. Ft.

0.858

0.636

1.049

1.28

1.56

1.899

2.318

2.827

3.458

4.19

5.17

6.26

7.66

Max RPM

Class I

Class II

2978

3882

3623

4724

2702

3524

2458

3205

2235

2914

2044

2666

1866

2432

1661

2166

1508

1967

1453

1893

1308

1703

1189

1548

1098

1431

Shaft Diameter

Class I

Class II

1

1 3⁄16

3⁄4

1

1

1 3⁄16

1

1 3⁄16

1

1 3⁄16

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 7⁄16

1 11⁄16

1 11⁄16

1 15⁄16

1 11⁄16

1 15⁄16

1 15⁄16

2 3⁄16

Fan Selection Tool

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

Ultrafan-Pak 2000 Utility Blower B

Construction

Fabricated using high-strength materials, meticulous welding, and precision-machined components, Peerless' Ultrafan-Pak 2000 B series is as robust as it is reliable for years of worry-free operation.

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 Blade on Models 105 to 245.
Airfoil on Models 270 to 365.
Dynamic Factory Balanced.
Clockwise or Counter-clockwise Rotation.

Inlet

For low-turbulence inlet airflow and balanced rotation, our inlet cones are stamped or rolled from single sheets, free of seams and welds.

Rigid Streamlined Inlet.
Single-Piece Construction.

Frame

Indoor/outdoor, open-member steel frames keep motors, drivetrains, and wheels in alignment longer than formed sheet frames, resulting in longer maintenance intervals.

Fully-Welded Steel Frame.
Easy Maintenance Access.
Fewer Alignment Adjustments Needed.

Housing

All fan housings can be fully rotated to reposition the discharge at any of (8) pre-drilled 45° intervals, allowing for a wide range of installation and ducting configurations.

45° Rotation Intervals.
Factory or Field Repositioning.
Housing Rotation Does Not Require Rebalancing.

Drive System

Adjustable V-Belt drive with cast iron adjustable pitch sheaves, heavy-duty motor base rails, ground and polished keyed shafts, and self-aligning normal duty bearings.

Adjustable Motor Base for Belt Tensioning.
Factory-Set RPM Available.
Single Speed, TEFC, Inverter Duty Motor.
100K Run Hour Bearings.

Ultrafan-Pak 2000 Utility Blower B

Arrangements

Peerless' Ultrafan-Pak 2000 B series is available in Arrangement 10, SWSI.

Arrangement 10 SWSI

AMCA Arrangement 10 SWSI features a space-efficient, packaged design with an onboard motor mounted within the fan’s bearing pedestal.

V-Belt Drive with Overhung Impeller.
SWSI Type: Single Width Single Inlet.
Normal Duty, 100K Run Hour Bearings.
Onboard Motor.

Ultrafan-Pak 2000 Utility Blower B

Options

With multiple accessory and configuration options, Peerless' Ultrafan-Pak 2000 B series can be tailored to your unique project requirements.

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 expanded metal and installed over the V-belt drive end of the fan, providing personnel protection from the drive's moving parts.

Added Personnel Protection.
Covers All Rotating Parts.

Automatic Outlet Damper

Protecting the fan from backdrafts, rain, and snow, our corrosion-resistant Outlet Damper securely attaches to the fan outlet. Choose from automatic, motorized, or manual operation. Outlet dampers are not available with mesh screens.

Protects Against Backdrafts.
​Holds Weather Out.
Corrosion Resistant.

Access Doors

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

Quick Inspection Access.
Gasketed Doors.
Quick Release Clamps.

Vibration Rails

For sound and vibration sensitive applications, Peerless can provide spring or rubber-in-shear Vibration Isolation Rails and Isolation Pads.

Reduces Acoustical Impact.
​Isolates Vibration.

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 accessories include inlet vanes, drain fittings, inlet and outlet screens, flanged inlet and outlet connections, severe duty (400k run hour) bearings, heat slingers, and multiple paint and coating finish options.

Paint and Coating Options.
​​Flanged Connections.
and more!

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