Three-quarter view of a replacement air shower centrifugal blower with motor

Cleanroom Equipment Spare Parts

Air Shower Blower

A compact centrifugal blower that restores the high-volume recirculating airflow used by cleanroom personnel and material air showers.

Compact Scroll Housing
Forward-Curved Fan Wheel
Integrated Drive Motor
Matched Air-Shower Outlet

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Product Introduction

The air shower blower draws return air through the unit filters and discharges it back toward the nozzle plenum. A forward-curved centrifugal wheel operates inside a galvanized scroll housing to develop the airflow and pressure needed by multiple high-velocity nozzles within a compact cabinet. The motor mounts directly to the housing and the rectangular discharge connects to the internal plenum. Replacement selection must match wheel rotation, inlet and outlet geometry, electrical supply, motor power and mounting-foot pattern.

Key Features

Forward-curved centrifugal geometry delivers useful airflow from a compact cabinet footprint.

A formed scroll housing directs wheel discharge into the air-shower nozzle plenum.

Direct motor mounting eliminates external belts and simplifies service replacement.

Flanged inlet, outlet and mounting points support secure installation inside the equipment cabinet.

Customer Product Concerns

A replacement blower must reproduce the original airflow direction and fit the air-shower recirculation path without cabinet modification.

Incorrect wheel rotation sends weak or turbulent airflow into the nozzle plenum.Housing orientation and motor rotation are matched to the original discharge direction.

A mismatched outlet flange cannot connect to the internal air duct.Rectangular discharge dimensions and bolt pattern are configured for the existing plenum connection.

Insufficient motor output reduces nozzle velocity during the cleaning cycle.Motor power and wheel geometry are selected against the required system airflow and resistance.

Vibration from an unstable blower is transmitted into the air-shower panels.Rigid mounting feet and a balanced wheel support stable cabinet installation.

Typical Applications

Personnel air showersMaterial air showersCleanroom entry tunnelsAir-shower blower replacement and refurbishment

Technical Parameters

Typical construction ranges for compact air-shower centrifugal blowers are shown below.

Core Material	Forward-curved galvanized-steel centrifugal wheel with copper-wound electric motor
Panel Thickness	180-400 mm nominal blower housing depth
Effective Width	250-550 mm nominal scroll-housing width
Maximum Length	Up to 700 mm overall blower and motor length
Steel Facing Thickness	0.8-1.5 mm galvanized-steel scroll housing
Core Density	7800-7850 kg/m³ for steel wheel and housing components
Thermal Conductivity	45-60 W/(m·K) for steel housing components
Surface Finish	Natural zinc-coated silver housing with black motor and insulated cable
Joint Type	Bolted scroll casing with direct motor flange, rectangular outlet and foot mounting
Customization	Available based on the intended application and operating environment.

Available Options

Clockwise or counter-clockwise dischargeMatched single- or three-phase motorCustom inlet and outlet flangesCable and connector termination

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