VHP Pass Box

What is the VHP Passbox?

The VHP (Vaporized Hydrogen Peroxide) Pass-Through Window is primarily utilized for the biological decontamination of materials’ outer surfaces, preventing contaminants from entering high-level areas from non-classified or lower-classified zones. This system employs an external hydrogen peroxide generator (VHPS), operating under low-temperature and standard pressure conditions, ensuring an environmentally friendly and efficient decontamination process.

QUALIA vs. OTHERS

Feature	Qualia	Competitor
Sterilization Time	Minimum of 30 minutes	Minimum of 120 minutes
Seal Integrity	±2000Pa with decay less than 0.5% Vol/h over 20 minutes	100Pa not exceeding ≤0.5% Vol/h
VHP Generator	Complete dry vapor, multi-channel labyrinth module	Aluminum flash evaporation dish, square or cylindrical type, incomplete vaporization, prone to condensation and dew formation
Mechanical/Inflatable Seal	EPDM (Ethylene Propylene Diene Monomer) 6±5°shoreA	Silicone Rubber
Seal Service Life	≥5 years	≤1-3 years
Seal Strip Corner Radius	R95	R100
VHP Weighing Sensor	Gravity sensor	Low accuracy electronic scale
Air Supply and Exhaust System	Independent duct system	Room air intake; may affect room pressure if space is too small; in case of malfunction, VHP may leak into room

Product Features

Sealing Performance: Achieves biological safety standards with pressure decay of less than 0.5%Vol/h at ±2000Pa over 20 minutes.
Sterilization Efficiency: The entire sterilization cycle (including residual removal) takes as little as 30 minutes, shortening processing time by 50%-70% compared to similar market offerings.
VHP Generator: Utilizes complete vaporization with a multi-channel labyrinth module to prevent condensation and fogging during sterilization.
The Seal Door Types of VHP Passbox: Available in inflatable seal and mechanical compression styles, with the inflatable variant featuring high-density EPDM imported from the Netherlands, rated at 60±5° Shore A, and hinges cleverly concealed.

Door Handles: Designed for both inflatable and mechanical pressure models. Inflatable pressure model includes a protective handle to prevent accidental pressure rebound injuries. Mechanical pressure model is crafted from durable SUS304 stainless steel through CNC machining for longevity, strength, and fatigue resistance.
Liquid Weighing: Employs a gravity sensor for precision measurement and can be set and adjusted according to specific usage.
Communication with BMS Systems: Capable of online and remote printing, as well as data storage.
Temperature Stability in Sterilization: Minimal change, with an optional configuration keeping within ≤3℃, ideal for sensitive biological transfers like serum.
Independent Air Supply and Exhaust: Built with standalone air ducts, the unit comprises integrated supply, exhaust, and recirculation fans and can connect to customer HVAC systems.
Functional Versatility: Equipped with a feature switch that toggles between VHP sterilization transfer mode and standard self-cleaning UV sterilization transfer mode, selectable via touchscreen (optional configuration).
Sturdy Door Construction: Both sides of the door are made from fully welded 3.0mm stainless steel sheets, with built-in double-layer 5mm tempered glass.
Safety Assured: Rounded corner welding and comprehensive sanding ensure safe use and mitigate collision risks that could lead to glass breakage.
Built-In Biological Safety Valves: Internally equipped with airtight butterfly valves to minimize the risk of hydrogen peroxide leakage during sterilization.

Technical Specifications

Power Supply: Operates on a single-phase AC 220V/50Hz power source.
Efficiency Level: Supply air features HEPA H14 filtration; exhaust air also utilizes HEPA H14 filters.
Sterilization Temperature: The temperature range for sterilization is between 18-35°C.
Sterilization Pressure: Operable at 0-100Pa for sterilization processes.
Decontamination Cycle Time: Less than 120 minutes to complete a decontamination cycle.
Inflation Pressure & Timing: Achieves an inflation pressure of 1.5kg/cm2 with inflation and deflation times of less than 5 seconds, capable of more than 10,000 cycles without bursting or leaking.

Different Types of VHP Passboxs

Model	Inner Chamber Size (mm)	Overall Dimensions (mm)
MUO-060060060	600 x 600 x 600	1200 x 2400 x 600
PFV-080080080	800 x 800 x 800	1400 x 2600 x 800
MUV-100100100	1000 x 1000 x 1000	1600 x 2800 x 1000

Note: The aforementioned are standard specifications. Custom dimensions are available upon request.

Specification Model Index:

M: Mechanical sealing
P: Inflatable sealing
F: Equipped with a fan
U: Without a fan
V: Integrated VHP (Vaporized Hydrogen Peroxide)
O: External VHP connection
D: Includes the dunk tank

VHP Pass Box Gallery

QUALIA VHP Passbox with Pneumatic Seal APR Doors on Fair_1

QUALIA VHP Passbox with Pneumatic Seal APR Doors In-build VHP_1

QUALIA VHP Passbox with Mechanical Seal APR Doors _1

QUALIA VHP Passbox with EPDM Pneumatic Seal Gasket_1

QUALIA VHP Passbox with dynamic validation use Hidden inflation tube Pneumatic Seal APR Door_1

QUALIA VHP Passbox with dynamic validation use Hidden inflation tube Pneumatic Seal APR Door On Site_1

QUALIA VHP Passbox Pneumatic Seal APR Door In-build VHP UV Lamp Anti-UV Glass_1

QUALIA VHP Passbox in Factory_1

QUALIA VHP Passbox _1

Barry Liu

Hi, I'm Barry Liu. I've spent the past 15 years helping laboratories work safer through better biosafety equipment practices. As a certified biosafety cabinet specialist, I've conducted over 200 on-site certifications across pharmaceutical, research, and healthcare facilities throughout the Asia-Pacific region.

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