Radial Centrifugal Blower, Belt Drive, High Pressure

Radial Blower PWB

High pressure, low volume air blower featuring a self-cleaning radial flat blade wheel, belt drive motor, configurable rotation, and multiple outlet orientations. For clean air supply and dirty air exhaust applications.

​​Small, Industrial Applications
5 Models, 60 to 2,322 CFM, Max 15" SP
Arrangement 10 SWSI
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Radial Blower PWB

Capability

Common Applications

Clean or Dirty Air Small Commercial and Industrial, High-Pressure Applications: Laundry Exhaust, Conveying Supply Air, Cooling Supply Air.

Airflow

Clean and Dirty Air from 60 CFM to 2,322 CFM, up to 15" SP.

Size Format

AMCA Arrangement 10 SWSI: Single Width Single Inlet.

Wheel

Die Cast Aluminum Wheel with Straight, Flat Self-Cleaning Radial Blades. Diameters 7.75" to 13.5".

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

180°F Max.

Inlet

Circular Inlet Duct Ring Diameter 4" to 8".

Outlet

Rectangular Outlet 3" H x 3" W to 7.125" H x 5.75" W

Construction

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

Spark Resistance

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

Approvals

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

Radial Blower PWB

Available Models

Model

PWB-8

PWB-9

PWB-11

PWB-12

PWB-14

Wheel Diameter

7 3⁄4

9

10 5⁄8

12 1⁄2

13 1⁄2

Max CFM

360

608

990

1352

2322

Max SP

6

8

12

12

15

Max BHP

0.7

1.42

2.86

4.3

8.35

Inlet Area Sq. Ft.

0.08

0.13

0.19

0.256

0.336

Outlet Area Sq. Ft.

0.06

0.06

0.09

0.13

0.27

Max RPM

4506

4508

4480

4074

4004

Shaft Diameter

3⁄4

3⁄4

3⁄4

1

1

Fan Selection Tool

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

Radial Blower PWB

Construction

Combining self-cleaning radial blade performance and adjustable belt drive flexibility, Peerless' Radial Blower PWB series solves your high-pressure challenges with ease.

Wheel

Heavy die cast aluminum, straight radial blade design that self-cleans during use, maintaining its balance and assuring efficient airflow even in particulate-heavy conditions.

Heavy-Duty Die Cast Aluminum.
Dynamically Factory Balanced.
Self-Cleaning Design.
High Efficiency.

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.

Rotation

Standard clockwise wheel rotation, bottom horizontal discharge position. Other rotations and discharge orientations can be supplied upon request.

Clockwise Wheel Rotation Standard.
Optional Counter-Clockwise Wheel Rotation.

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.

Drive System

Adjustable or fixed V-belt drive with cast iron adjustable pitch sheaves, heavy-duty motor base rails, ground and polished keyed shafts, and motors are fixed-mounted onto a welded base frame.

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

Radial Blower PWB

Arrangements

Peerless' Radial Blower PWB 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.

Radial Blower PWB

Options

High-pressure, low-volume applications can often benefit from functional and performance customization, and that's why Peerless' Radial Blower PWB series offers a wide variety of factory options.

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.

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.

Anti-Corrosion Finishes

To help protect against the abuse of particulates, greases, and acids, Anti-Corrosion Paint and Finish options can avoid premature housing damage in very aggressive applications.

Combats Very Aggressive Applications.
Prevents Premature Failure.
Ideal for Acids and Greases.

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.

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