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How the Dynamic Pass Box Works

1. The loading-side door is opened.

2. The item is placed inside the chamber.

3. The loading-side door is closed.

4. The electromagnetic interlock prevents the opposite door from opening.

5. The blower circulates air through the HEPA filter.

6. Filtered airflow removes loose particles from the item surface.

7. The UV lamp may operate as a supplementary treatment, depending on the selected cycle.

8. Once the programmed cycle is complete, the receiving-side door is released.

9. The item is removed from the chamber.

The filtered airflow helps reduce particle transfer while the interlocked doors limit direct air exchange between both areas.

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Standard Size Options

External Dimensions	Internal Dimensions	Construction	Interlock	UV Light	HEPA Filtration
585 × 484 × 950 mm	400 × 400 × 400 mm	SS304 or powder-coated steel	Electrical	Yes	Stated 99.999% at 0.3 μm
685 × 584 × 1050 mm	500 × 500 × 500 mm	SS304 or powder-coated steel	Electrical	Yes	Stated 99.999% at 0.3 μm
785 × 684 × 1150 mm	600 × 600 × 600 mm	SS304 or powder-coated steel	Electrical	Yes	Stated 99.999% at 0.3 μm

 

The final chamber size should be selected according to the maximum item dimensions, transfer frequency, wall thickness and available installation space.

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Technical Specifications

Parameter	Typical Specification
Brand	KAAS
Product	Dynamic Pass Box
Alternative Name	Air Shower Pass Box
Chamber Type	HEPA-filtered material-transfer chamber
Standard Internal Sizes	400 × 400 × 400 mm, 500 × 500 × 500 mm or 600 × 600 × 600 mm
Construction	SS304 or powder-coated steel
HEPA Filter	Minipleat filter
HEPA Grade	H13 or H14, subject to final configuration
Stated Filtration Efficiency	Up to 99.999% at 0.3 μm
Blower	Centrifugal motor and blower
Door Construction	Double-wall stainless steel with viewing panel
Door Interlock	Electromagnetic
Pressure Monitoring	Differential-pressure gauge
HEPA Test Provision	DOP test port upstream of the filter
UV Lamp	Available
UV Hour Meter	Available
Air-Shower Time	Adjustable, 0–999 seconds
Chamber Lighting	Fluorescent or LED, depending on configuration
Installation	Wall-mounted or floor-supported
Customisation	Chamber size, construction and door arrangement

 

Final specifications must follow the approved KAAS quotation and project drawing.

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Key Features

Active HEPA-Filtered Airflow

• Recirculating filtered airflow

• Designed to remove loose particles from transferred items

• H13 or H14 HEPA configuration available

• Suitable for higher contamination-control requirements than a static pass box

Electromagnetic Door Interlock

• Only one door can open at a time

• Helps prevent direct air exchange

• Supports controlled transfer procedures

• Door-status indication can be added

Pressure Monitoring

• Differential-pressure gauge across the HEPA filter

• Helps operators observe filter loading

• Supports preventive-maintenance planning

• Digital pressure display can be offered as an option

HEPA Integrity-Test Provision

• DOP or PAO test port located upstream of the HEPA filter

• Supports filter-integrity testing

• Suitable for validation and maintenance activities

UV Lamp with Hour Meter

• UV lamp available for supplementary surface exposure

• Hour meter supports maintenance tracking

• UV operating time can be monitored

• Effectiveness depends on exposure, item placement and validation

Durable Construction

• Full SS304 construction available

• Powder-coated steel option

• Double-wall doors

• Glass viewing panels

• Smooth internal surfaces for easier cleaning

Adjustable Transfer Cycle

• Air-shower timing adjustable from 0 to 999 seconds

• Transfer sequence can be adapted to the application

• Buzzer and status indicators can be added

• Control logic can be customised

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Construction Options

Full SS304 Construction

Recommended for:

• Pharmaceutical facilities

• Food-processing plants

• Medical-device production

• Laboratories

• Higher-cleanliness applications

Powder-Coated Steel

Suitable for:

• General industrial cleanrooms

• Controlled indoor environments

• Cost-sensitive installations

SS316 Construction

Can be considered where:

• Stronger corrosion resistance is required

• Aggressive cleaning chemicals are used

• Project specifications require SS316

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Optional Accessories

• Full SS304 construction

• SS316 construction

• H14 HEPA filter

• Digital differential-pressure display

• HEPA filter alarm

• DOP or PAO test port

• UV-C lamp

• UV operating-hour meter

• LED chamber light

• Touchscreen controller

• Adjustable cycle timer

• Door-status indicators

• Audible alarm

• Access-card control

• Password access

• Touchless door release

• Stainless-steel shelf

• Removable tray

• Custom chamber dimensions

• Floor-support frame

• Custom cleanroom wall flange

• Custom voltage

Optional accessories should only be stated as included when confirmed in the final quotation.

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Dynamic Pass Box vs Static Pass Box

Requirement	Static Pass Box	Dynamic Pass Box
Basic material transfer	Suitable	Suitable
HEPA-filtered airflow	No	Yes
Active particle removal	No	Yes
Blower system	No	Yes
Differential-pressure monitoring	Normally no	Available
HEPA integrity-test port	Normally no	Available
Lower purchase cost	Better	Higher
Lower maintenance	Better	Higher
Higher contamination-control requirement	Limited	Recommended

 

 

Choose a dynamic pass box when active filtration and particle removal are required during the transfer cycle.

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Important Application Notes

UV Lamp

The UV lamp should be described as a supplementary treatment only.

Its performance depends on:

• Exposure time

• Lamp intensity

• Distance from the item

• Surface cleanliness

• Shadowing

• Validation procedure

Do not present UV exposure as guaranteed sterilisation unless the process has been validated.

HEPA Filter Grade

The catalogue indicates H13/H14 filtration. The exact filter grade, efficiency and test method should be confirmed in the final KAAS specification.

Particle-Removal Limitations

The dynamic pass box is intended to remove loose particles. It does not replace:

• Washing

• Manual wiping

• Chemical disinfection

• Autoclaving

• Validated sterilisation

• Cleaning of heavily contaminated goods

Cleanroom Classification

The pass box supports contamination control but does not independently establish or guarantee an ISO cleanroom classification.

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Site Preparation

The customer should prepare:

• Wall-opening dimensions

• Cleanroom wall thickness

• Required installation height

• Loading and receiving orientation

• Electrical supply

• Support frame where required

• Service and maintenance clearance

• Maximum item dimensions

• Maximum item weight

• Required transfer frequency

• Clean-side and less-clean-side identification

• Access route for installation

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Warranty & After-Sales Support

• Warranty according to the confirmed commercial quotation

• Installation and commissioning

• Door-interlock testing

• Blower and airflow verification

• Operator familiarisation

• HEPA filter replacement support

• UV lamp replacement guidance

• Differential-pressure gauge support

• Spare-parts coordination

• Local technical support in Malaysia

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Customer Service Commitment

Redmark Industry supports KAAS Dynamic Pass Box projects through:

• Application assessment

• Chamber-size selection

• Construction-material recommendation

• HEPA configuration review

• Wall-opening assessment

• Door-direction planning

• Site-preparation guidance

• Installation coordination

• Commissioning

• Operator training

• Preventive-maintenance planning

• After-sales technical support

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Enquiry Information Required

Please provide:

• Maximum item dimensions

• Maximum item weight

• Required internal chamber size

• Cleanroom wall thickness

• Available wall opening

• Preferred construction material

• Required HEPA grade

• UV lamp requirement

• Door-opening direction

• Electrical supply

• Installation height

• Transfer frequency

• Cleanroom classification