Personnel and Material Decontamination Equipment

Biosafety Containment Pass Box

A sealed, pressure-controlled transfer chamber with filtered exhaust and service features intended for biosafety boundaries.

Sealed Containment Chamber
Filtered Exhaust Path
Safe-Change Filter Housing
Pressure-Gated Doors

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Product Introduction

This containment pass box controls material movement between a biological work area and an adjacent support space. The welded chamber operates with a selected pressure bias, while exhaust passes through a high-efficiency final filter housed in a service enclosure. Sealed penetrations, pressure indication and one-door-at-a-time logic support a defined containment boundary.

Key Features

A negative pressure bias directs small leakage towards the exhaust path.

A safe-change housing isolates the used final filter during service.

Differential-pressure indication makes chamber status visible.

Capped ports support compatible chamber treatment connections.

Coved internal welds simplify chemical wipe-down.

Customer Product Concerns

Biosafety transfer must maintain leakage direction, protect maintenance personnel and preserve the barrier at every door movement.

Aged gaskets allow air to escape to the adjacent room.A controlled negative bias draws leakage inward to the filtered exhaust route.

Service staff are exposed while replacing a loaded filter.A safe-change enclosure contains the filter during removal and replacement.

Operators cannot see whether the pressure bias is established.A differential-pressure display and door permissive show the chamber state.

Cable penetrations bypass the sealed enclosure.Welded sleeves and capped pressure-tight ports retain the chamber boundary.

Typical Applications

Biosafety laboratoriesVaccine development supportAnimal containment roomsBiological sample logistics

Technical Parameters

Representative construction ranges for a biosafety containment pass box are shown below.

Core Material	Welded SUS 316L chamber with pressure-control fan, HEPA exhaust filter and safe-change service housing
Panel Thickness	100-180 mm sealed service-plenum construction
Effective Width	500-1100 mm clear chamber width
Maximum Length	Up to 1500 mm chamber depth
Steel Facing Thickness	1.2-2.0 mm SUS 316L chamber facing
Core Density	35-40 kg/m³ polyurethane insulation within external service panels
Thermal Conductivity	0.022-0.028 W/(m·K) for polyurethane service-panel insulation
Surface Finish	Electropolished or satin SUS 316L with coved welds and chemical-resistant door seals
Joint Type	Continuously welded pressure-tight chamber with compression doors and safe-change filter enclosure
Customization	Available based on the intended application and operating environment.

Available Options

Bag-in/bag-out filter housingPressure-decay test portsChamber-treatment connection portsBattery-backed interlock release

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