Cleanroom Equipment Spare Parts

Air Shower Controller

A compact programmable controller that sequences air shower doors, sensors, blower timing and operator status indications.

Timed Shower Sequence
Door Interlock Logic
Sensor Input Control
Clear Status Interface

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Product Introduction

The air shower controller coordinates the entry cycle between door sensors, electromagnetic locks, the circulation blower and user indicators. A sealed front interface provides cycle status and basic adjustment without exposing internal wiring. The enclosure protects the control electronics from routine cleaning and airborne dust. Replacement selection should match supply voltage, input type, relay load, door sequence and cabinet mounting space.

Key Features

Programmable timing supports repeatable purge cycles for different entry procedures.

Interlock outputs prevent opposing doors from being released at the same time.

Dedicated sensor inputs respond to occupancy and door-position signals.

A simple display, colored controls and status lamps aid operation and fault tracing.

Customer Product Concerns

A controller must coordinate doors and airflow reliably while remaining compatible with the existing sensors, locks and blower circuit.

Uncoordinated door releases can break the controlled entry sequence.Interlock logic holds the opposite door until the configured stage is complete.

Inconsistent blower timing produces variable cleaning cycles.Adjustable timer settings provide repeatable blower run and delay periods.

Different sensor signal types prevent direct replacement.Input configuration is matched to the installed occupancy and door-position devices.

Poor status visibility makes faults difficult to diagnose.The display and separate colored indicators communicate operating and attention states.

Typical Applications

Personnel air showersMaterial air showersCleanroom entry interlocksAir shower refurbishment and control upgrades

Technical Parameters

Typical enclosure and construction ranges for air shower sequence controllers are shown below.

Core Material	Flame-retardant ABS enclosure with electronic control PCB and relay outputs
Panel Thickness	45-90 mm nominal controller enclosure depth
Effective Width	120-220 mm nominal front-panel width
Maximum Length	Up to 280 mm overall enclosure height
Steel Facing Thickness	1.0-1.5 mm optional stainless-steel mounting plate
Core Density	1030-1200 kg/m³ for ABS enclosure material
Thermal Conductivity	0.17-0.25 W/(m·K) for ABS enclosure material
Surface Finish	Smooth off-white molded enclosure with dark display bezel and colored controls
Joint Type	Screw-secured gasketed cover with bottom cable gland and internal terminal connections
Customization	Available based on the intended application and operating environment.

Available Options

Matched supply voltageCustom shower-cycle timingSingle- or double-door logicAlternative sensor and lock interfaces

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