Backward Inclined Centrifugal Blower, Direct Drive, Low Volume

Ultrafan-Pak Blower D

Where a non-overloading direct drive is preferred, this series features models ranging from 10.5" to 24.5" wheel diameters in 60%, 80% and full wheel widths. For clean airflow and light fume applications.

Full and Cut Width Wheels
Heavy-Duty Housing and Welded Base
9 Models, 314 to 18,600 CFM, Max 14" SP
Arrangement 4 SWSI
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Ultrafan-Pak Blower D

Capability

Common Applications

Clean Air Applications.

Airflow

Clean Air and Light Fumes from 314 CFM to 18,600 CFM, up to 14" SP.

Size Format

AMCA Arrangement 4 SWSI: Single Width Single Inlet.

Wheel

Steel Backward Inclined Non-Overloading Flat Blade Wheel. Diameters 10.5" to 24.5".

Drive

Direct Drive. Premium Efficiency, Fixed or Variable Speed, 120 to 480VAC Single or Three Phase, NEMA Enclosure and Frame Size Motors.

Temperatures

180°F Max.

Inlet

Circular Inlet Ring Diameter 12.875" to 26.375".

Outlet

Rectangular Full Width Outlet 11.75" H x 8" W to 26.25" H x 19.25" W.

Construction

Steel Sheet, Gray Powder-Coated Finish. Indoor / Outdoor, Heavy-Duty.

Spark Resistance

Optional AMCA Spark B or C Resistant Construction.

Approvals

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

Ultrafan-Pak Blower D

Available Models

Model

D-105

D-105-6

D-105-8

D-122

D-122-6

D-122-8

D-135

D-135-6

D-135-8

D-150

D-150-6

D-150-8

D-165

D-165-6

D-165-8

D-182

D-182-6

D-182-8

D-200

D-200-6

D-200-8

D-222

D-222-6

D-222-8

D-245

D-245-6

D-245-8

Wheel Diameter

10 1⁄2

10 1⁄2

10 1⁄2

12 1⁄4

12 1⁄4

12 1⁄4

13 1⁄2

13 1⁄2

13 1⁄2

15

15

15

16 1⁄2

16 1⁄2

16 1⁄2

18 1⁄4

18 1⁄4

18 1⁄4

20

20

20

22 1⁄4

22 1⁄4

22 1⁄4

24 1⁄2

24 1⁄2

24 1⁄2

Max CFM

2378

1712

2057

4400

3070

3443

5875

4125

4635

8000

6075

7100

10600

8100

9400

13780

10210

12100

18600

13500

16000

12810

8990

10650

17290

12057

14272

Max SP

5

5

5

6

6

6

7

7

7

10

10

10

12

12

12

14

14

14

14

14

14

5

5

5

6

6

6

Max BHP

1.65

1.15

1.46

4.32

2.73

3.18

7.02

4.44

5.17

10.88

7.9

9.7

17.58

12.73

15.61

27.3

19.87

24.5

42.5

31.2

38.6

9.96

6.53

8.13

16.15

10.58

13.17

Inlet Area Sq. Ft.

0.894

0.894

0.894

0.921

0.921

0.921

1.108

1.108

1.108

1.374

1.374

1.374

1.67

1.67

1.67

2.02

2.02

2.02

2.435

2.435

2.435

3.015

3.015

3.015

3.65

3.65

3.65

Outlet Area Sq. Ft.

0.639

0.517

0.593

0.87

0.709

0.79

1.068

0.872

0.967

1.293

1.076

1.167

1.562

1.271

1.425

1.901

1.546

1.732

2.326

1.904

2.122

2.843

2.315

2.574

3.451

2.817

3.134

Max RPM

3500

3500

3500

3500

3500

3500

3500

3500

3500

3500

3500

3500

3500

3500

3500

3500

3500

3500

3500

3500

3500

1750

1750

1750

1750

1750

1750

Fan Selection Tool

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

Ultrafan-Pak Blower D

Construction

Heavy-duty housing construction, close-coupled direct drive motors, high efficiency non-overloading wheels, and fully welded frames make up just a few of the standard features of Peerless' Ultrafan-Pak D series.

Wheel

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

Flat Blade Wheels.
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, steel frames keep motors, drivetrains, and wheels in alignment, 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 eight 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

Direct drive, ODP or TEFC ball bearing motors are fixed-mounted onto a welded base frame. No belt tensioning or bearing adjustments are necessary.

Direct Drive Constant Speed.
Multiple Motor Options.
Explosion Proof Motor Options.

Ultrafan-Pak Blower D

Arrangements

Peerless' Ultrafan-Pak D series is available in Arrangement 4, SWSI.

Arrangement 4 SWSI

AMCA Arrangement 4 SWSI utilizes a direct-drive motor mounted onto a base frame, attached to the fan housing. The fan impeller is overhung on the motor shaft and does not need separate bearings.

Direct Drive with Overhung Impeller.
SWSI Type: Single Width Single Inlet.
No Bearings on Fan.
Onboard Motor.

Ultrafan-Pak Blower D

Options

Upgrade your Peerless Ultrafan-Pak D series blower with the below performance- and safety-enhancing optional add-ons.

Weather Cover

The solid sheet metal Weather Cover installs over the 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.

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 B and C hazard classifications.

Hazardous Condition Protection.
AMCA Spark B and 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 Ultra-Fan Pak Blower D accessories include inlet vanes, drain fittings, inlet and outlet screens, flanged inlet and outlet connections, and multiple paint and coating finish options.

Paint and Coating Options.
Flanged Connections.
And More!

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