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VHP Pass-Through Chamber with Vaporized Hydrogen Peroxide Sterilization and Stainless Steel Construction for Cleanrooms ISO CE UL RoHS Certified
VHP Pass-Through Chamber with Vaporized Hydrogen Peroxide Sterilization and Stainless Steel Construction for Cleanrooms ISO CE UL RoHS Certified
VHP Pass-Through Chamber with Vaporized Hydrogen Peroxide Sterilization and Stainless Steel Construction for Cleanrooms ISO CE UL RoHS Certified
VHP Pass-Through Chamber with Vaporized Hydrogen Peroxide Sterilization and Stainless Steel Construction for Cleanrooms ISO CE UL RoHS Certified
VHP Pass-Through Chamber with Vaporized Hydrogen Peroxide Sterilization and Stainless Steel Construction for Cleanrooms ISO CE UL RoHS Certified
VHP Pass-Through Chamber with Vaporized Hydrogen Peroxide Sterilization and Stainless Steel Construction for Cleanrooms ISO CE UL RoHS Certified
Specifications
Air Shower Area :
W600 × D800 × H600 (mm)
custom made :
support
External Dimensions :
W1200 × D800 × H2000 (mm)
Brand Name :
MRJH
Model Number :
MRJH - CLCDCQ304
Certification :
ISO,CE,UL,RoHS
Place of Origin :
Guangdong, China
MOQ :
1
Price :
Contact Us
Delivery Time :
7-15 working days
Packaging Details :
Wooden frame
Description
VHP Transfer Window/Pass Box | Sterilization for Cleanrooms & Labs
VHP Pass-Through Chamber with Vaporized Hydrogen Peroxide Sterilization and Stainless Steel Construction for Cleanrooms ISO CE UL RoHS Certified
VHP Pass-Through Chamber Overview

A VHP (Vaporized Hydrogen Peroxide) pass-through chamber is an essential auxiliary device used in cleanrooms and sterile environments. Its primary function is to minimize cross-contamination when transferring items between areas of different cleanliness classifications. The chamber achieves this through advanced vaporized hydrogen peroxide (VHP) technology that effectively decontaminates item surfaces, ensuring that materials entering high-cleanliness zones do not introduce contaminants.

Working Principle

The operation of a VHP pass-through chamber leverages the potent sterilizing capability of vaporized hydrogen peroxide. When items are placed inside the chamber, a specialized vaporization unit converts liquid hydrogen peroxide into a gaseous state and introduces it into the chamber cavity. This process consists of three distinct phases:

  • Conditioning Phase: Rapidly increases hydrogen peroxide vapor concentration within the chamber until stabilization at target levels
  • Sterilization (Dwell) Phase: Maintains required hydrogen peroxide vapor concentration for the necessary duration to achieve complete sterilization
  • Aeration (De-gassing) Phase: Reduces hydrogen peroxide vapor concentration to safe levels (typically below 1 ppm) before inner door opening for item removal
Structural Features

VHP pass-through chambers are constructed from high-grade stainless steel, providing excellent corrosion resistance and ease of cleaning. Key design features include:

Enclosure & Doors

Stainless steel construction through bending, welding, and assembly processes. Interior features rounded corners at the base for simplified cleaning and maintenance.

Interlock System

Mechanical or electromagnetic interlocks prevent simultaneous door opening, ensuring no direct air exchange between different cleanliness level areas.

Sealing Technology

Continuous inflatable (pneumatic) seals installed around door perimeter enhance sealing performance and prevent gas leakage during operation.

UV Lamp (Optional)

Some models include integrated UV lamps for supplementary disinfection capabilities.

VHP Pass-Through Chamber with Vaporized Hydrogen Peroxide Sterilization and Stainless Steel Construction for Cleanrooms ISO CE UL RoHS Certified
Key Advantages

Compared to traditional UV sterilization methods, VHP pass-through chambers offer significant operational benefits:

High Efficiency

Shorter sterilization cycles typically completed within 1-4 hours, significantly faster than traditional methods.

Enhanced Safety

Vaporized hydrogen peroxide breaks down into water vapor and oxygen, leaving no toxic residues. Non-toxic to humans at residual levels after aeration.

Material Compatibility

Suitable for sterilization under various temperature conditions and gentle on sensitive materials, minimizing damage to treated items.

Extended Lifespan

Operation at ambient temperature and pressure reduces stress on chamber structure and internal components, extending service life.

VHP Pass-Through Chamber with Vaporized Hydrogen Peroxide Sterilization and Stainless Steel Construction for Cleanrooms ISO CE UL RoHS Certified
Application Areas

Due to their efficiency, environmental friendliness, and safety, VHP pass-through chambers are widely used across multiple industries:

  • Healthcare Facilities: Hospitals, operating rooms, and medical centers to protect patients from infection risks
  • Biological Laboratories: Provides researchers with sterile transfer environments, safeguarding experimental integrity
  • Pharmaceutical Manufacturing: Ensures sterility requirements are met during production processes, enhancing product quality
  • Food Processing Plants: Maintains food safety standards by preventing bacterial contamination during material transfers
VHP Pass-Through Chamber with Vaporized Hydrogen Peroxide Sterilization and Stainless Steel Construction for Cleanrooms ISO CE UL RoHS Certified
Frequently Asked Questions
How long does a full VHP sterilization cycle take?

Typical VHP pass-through chamber cycles complete sterilization in 1-4 hours, significantly faster than traditional methods. The process includes three phases:

  • Conditioning (5-15 min): Rapid vapor concentration buildup
  • Sterilization (30-90 min): Microbial kill phase at controlled H₂O₂ levels
  • Aeration (45-120 min): Safe decomposition to <1ppm residual

Exact duration depends on chamber size, load configuration, and validation requirements.

Is vaporized hydrogen peroxide safe for sensitive equipment?

Yes. VHP technology is non-corrosive and material-compatible with most cleanroom items when properly validated. Unlike heat or radiation methods, it:

  • ✓ Leaves no residue (decomposes to H₂O + O₂)
  • ✓ Operates at ambient temperatures
  • ✓ Penetrates complex geometries without damage

Critical note: Always test compatibility with polymers/electronics using ISO 22441:2022 protocols.

Why choose VHP over UV pass-through chambers?

VHP chambers provide superior sterilization reliability versus UV alternatives:

ParameterVHP ChamberUV Chamber
Shadow Areas360° gas penetrationLine-of-sight only
Cycle Efficacy6-log spore reduction3-4 log reduction
ValidationISO 14937 compliantLimited documentation
Material StressZero UV degradationPolymer aging risk
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VHP Pass-Through Chamber with Vaporized Hydrogen Peroxide Sterilization and Stainless Steel Construction for Cleanrooms ISO CE UL RoHS Certified

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Product Detail
Air Shower Area :
W600 × D800 × H600 (mm)
custom made :
support
External Dimensions :
W1200 × D800 × H2000 (mm)
Brand Name :
MRJH
Model Number :
MRJH - CLCDCQ304
Certification :
ISO,CE,UL,RoHS
Contact Supplier
VHP Pass-Through Chamber with Vaporized Hydrogen Peroxide Sterilization and Stainless Steel Construction for Cleanrooms ISO CE UL RoHS Certified
VHP Pass-Through Chamber with Vaporized Hydrogen Peroxide Sterilization and Stainless Steel Construction for Cleanrooms ISO CE UL RoHS Certified
VHP Pass-Through Chamber with Vaporized Hydrogen Peroxide Sterilization and Stainless Steel Construction for Cleanrooms ISO CE UL RoHS Certified

Shenzhen Meiri Purification Technology Co., Ltd.

Verified Supplier
3 Years
guangdong, shenzhen
Since 2012
Business Type :
Manufacturer, Exporter
Main Products :
FFU Cleanroom, Air Shower Room, Clean Room Pass Box
Total Annual :
1500000-2000000
Employee Number :
100~200
Certification Level :
Verified Supplier
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