D | UltraFan Pak Blower

Clean Air Applications.

• 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.

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, 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 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.

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.

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, 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.
• Anti-Corrosion

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!