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Transfer & Containment FG-PB-VHPA

Automatic-Door VHP Pass Box

An automated VHP transfer chamber combining motorized door operation, interlocking and validated surface biodecontamination.

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Fenggu Automatic-Door VHP Pass Box FG-PB-VHPA
Fenggu Automatic-Door VHP Pass Box FG-PB-VHPA
Fenggu Automatic-Door VHP Pass Box FG-PB-VHPA
Fenggu Automatic-Door VHP Pass Box FG-PB-VHPA

Overview

The Fenggu Automatic-Door VHP Pass Box combines vaporized hydrogen peroxide surface biodecontamination with powered sliding-door control for material transfer between controlled environments. Electromagnetically interlocked doors cannot open simultaneously, and flash vaporization provides a low-temperature dry VHP process with controlled distribution to limit condensation-related damage.

The integrated system monitors temperature, relative humidity and hydrogen peroxide concentration in real time, with data recording, storage and traceability, and reduces residual hydrogen peroxide to ≤1 ppm through catalytic decomposition before door release.

Key Features

  • Powered sliding doors with electromagnetic interlocks; the doors cannot open simultaneously
  • VHP surface biodecontamination with a specified 6-log (≥99.9999%) reduction, subject to validation
  • Inflatable or mechanical seals maintain chamber leak tightness during treatment
  • Real-time monitoring of temperature, humidity and hydrogen peroxide concentration, with data recording and traceability
  • Catalytic decomposition reduces residual hydrogen peroxide to ≤1 ppm
  • H14 HEPA-filtered inlet and outlet air paths
  • Siemens PLC automatic control and cycle data recording

Technical Parameters

External dimensionsConfigured to project requirementsChamber materialSUS304
Internal pipingSUS316LBiodecontamination efficacy≥6-log reduction (subject to validation)
Process temperature25–35 °CProcess humidity40–60% RH
VHP concentration300–500 ppmPost-cycle residual≤1 ppm
Full cycle timeTo be confirmed for the validated cycleAeration timeTo be confirmed for the validated cycle
Door systemAutomatic, double-door interlockedAir filtrationH14 HEPA
Door type, chamber dimensions, load arrangement and cycle recipe are configured to the application. Final cycle performance must be confirmed during site-specific qualification and validation.

Applications

Sterile Material Transfer Pharmaceutical Production Biosafety Laboratories Healthcare Clean Areas High-Throughput Transfer

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Tell us your chamber size, door arrangement, load type and cycle requirements, and our engineers will recommend a configuration.

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Frequently Asked Questions

What is the advantage of an automatic-door VHP pass box?
Motorized double-door operation reduces manual contact and gives repeatable, hands-free transfer workflows, while an in-chamber VHP cycle surface-decontaminates materials between controlled environments.
What are the cycle parameters?
Process 25-35 C, 40-60% RH, VHP 300-500 ppm, with a residual of 1 ppm or less after aeration; full cycle time and aeration time are confirmed for the validated cycle; designed for a 6-log reduction (subject to validation).
Are the doors interlocked?
Yes. The automatic double doors are interlocked so both sides cannot open at once, maintaining the pressure and containment boundary. Air is H14 HEPA filtered.
Can it be customized?
Door type, chamber dimensions, load arrangement and cycle are configured to your materials and the grades of the connected rooms. Construction is SUS304 with SUS316L piping.
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