Vaporized Hydrogen Peroxide · Design · Cycle Development · Validation Support

VHP bio-decontamination, engineered around your process — not a catalogue.

From pass boxes to whole HVAC-connected cleanroom suites, we help pharmaceutical and biotech teams choose, size and validate the right VHP approach, then build the equipment to match.

Fenggu recirculating VHP generator FG-VHP-GLFG-VHP-GL · Recirculating VHP Generator
Phase 1DehumidifyLower RH so vapour stays in the gas phase
Phase 2ConditionBuild H₂O₂ concentration to target
Phase 3DecontaminateHold concentration for the validated dwell
Phase 4AerateCatalytically reduce residue to a safe level
VHP Knowledge Library

Engineering guides, written for QA and process teams

Fundamentals
The four phases of a VHP cycle

What happens in each phase and which parameters you control.

Validation
Biological indicators and the 6-log reduction

D-values, BI placement and how cycles are qualified.

Cycle design
Developing a VHP cycle for a new room

Volume, temperature, humidity, load and air distribution.

Materials
Material compatibility with H₂O₂ vapour

Which materials absorb or degrade, and how to plan around them.

Safety
Aeration and residual H₂O₂ limits

Getting back to safe exposure levels before re-entry.

Regulation
EU GMP Annex 1 and VHP

What the 2022 revision expects from decontamination processes.

Engineering Services

Support beyond the equipment

Buying a generator is the easy part. Getting a repeatable, documented cycle is where most projects need help.

Request a Free Application Review

  • Application reviewWe assess your space, materials and goals and recommend a configuration. Free.
  • Cycle development supportParameter set-up and trial cycles on site.
  • Validation documentation supportIQ/OQ document packages and BI/CI test support for your PQ.
  • Retrofit & integrationAdd VHP to existing pass boxes, isolators or HVAC systems.
Free application review

Tell us about your space

Room or enclosure volume, materials inside, target cycle time and your validation requirements. An engineer reviews it and replies with a recommended setup.

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