Personnel and Material Decontamination Equipment

Vaporized Hydrogen Peroxide Pass Box

An airtight material chamber that connects to an integrated or remote VHP process for conditioned exposure and aeration.

Airtight Treatment Chamber
VHP Distribution Loop
Controlled Aeration Stage
Monitored Door Seals

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Product Introduction

The VHP pass box provides a sealed route for compatible material entering critical areas. A generator conditions the chamber, introduces vapour and circulates it around the arranged payload for a defined programme; an aeration stage then removes residual vapour before receiving-side access. Continuous-weld stainless construction, compression or inflatable seals and dedicated ports support a controlled process envelope.

Key Features

A recirculation loop distributes conditioned vapour through the payload volume.

Injection, return and sampling ports support the connected process package.

Catalytic aeration can reduce residual peroxide after exposure.

Seal and chamber-monitoring points support closed-door cycle control.

Shelves can be arranged to improve circulation around compatible loads.

Customer Product Concerns

VHP transfer requires an airtight chamber, vapour access around the load and aeration before receiving-side release.

Dense loads create poorly exposed areas behind containers.Forced recirculation and load-spacing shelves promote access around the payload.

A leaky door prevents stable chamber conditions.Compression or inflatable seals can be monitored before the process starts.

Residual vapour delays access after treatment.A controlled catalytic aeration stage clears the chamber before release.

Cold payloads increase condensation risk.The connected process can condition temperature and humidity before injection.

Typical Applications

Sterile component entryIsolator support transferCell and gene therapy suitesAseptic laboratory supplies

Technical Parameters

Typical airtight construction ranges for a VHP material pass box are listed below.

Core Material	Welded SUS 316L chamber with VHP ports, recirculation fan, aeration connection and monitored door seals
Panel Thickness	80-150 mm airtight double-wall and service-plenum construction
Effective Width	500-1200 mm usable chamber width
Maximum Length	Up to 1800 mm treatment-chamber depth
Steel Facing Thickness	1.2-2.0 mm SUS 316L chamber facing
Core Density	35-40 kg/m³ polyurethane insulation in the external service envelope
Thermal Conductivity	0.022-0.028 W/(m·K) for polyurethane service-envelope insulation
Surface Finish	Electropolished or fine-brushed SUS 316L with coved welds and peroxide-compatible seals
Joint Type	Continuously welded chamber with compression or inflatable sealed interlocked doors and sanitary VHP ports
Customization	Available based on the intended application and operating environment.

Available Options

Integrated or remote VHP generatorInflatable door gasketsCatalytic aeration moduleChamber sampling ports

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