Unlock the realm of pass box accessories, demystifying their types, functionalities, and essential usage precautions.
VCR, a leading authority in cleanroom equipment, brings you an expert exploration.
Types of Pass Box Accessories
1. Static Pass Box Accessories:
- Mechanical/Electronic Interlock System
- Rubber Edge Trim
- Wires and Socket
- Door Handle
- UV Lamp/Lamp
- Hinge
2. Dynamic Pass Box Accessories:
In addition to static accessories, dynamic pass boxes include:
- Pre-filter
- HEPA Filter
- Differential Pressure Gauge
- Motor Blower
- DOP/PAO Test Port
Details on Key Accessories
1. Passbox Interlock System:
- Ensures doors don't open simultaneously, reducing cross-contamination risks.
- Mechanical system features internal interlock and sturdy external handle.
- Electronic system uses built-in circuits with indicator lights for door status.
2. Door Handle:
- Installed in electronic interlock system pass boxes.
- Not required in mechanical interlock systems, as interlock serves as the handle.
3. UV Lamp:
- Germicidal UV light enhances protection.
- Destroys DNA pathogens with short-wave ultraviolet radiation.
4. Hinge:
Stainless steel hinge is dust-free and easy to clean.
5. Rubber Edge Trim:
Door seals with rubber edge trim facilitate easy cleaning.
6. Pre-filter:
- Removes larger particles, extending the life of HEPA filters.
- Regular checks and replacement every one to six months recommended.
7. HEPA Filter:
- Filters particles of 0.3µm or larger, providing filtered and fresh air in cleanrooms.
- Replace following manufacturer's guidelines or at least every six months.
8. Differential Pressure Gauge:
- Monitors pressure across HEPA filter.
- Dynamic pass box gauges: 0-250 Pa and 0-500 Pa.
9. DOP/PAO Test Port:
Facilitates HEPA filter leak tests and particle count assessments.
See more: Pass box specifications
Usage Precautions
1. Interlock System:
Ensure doors are not open simultaneously during transfer.
2. UV Lamp:
- Close both doors before activating.
- Avoid direct hand contact.
- Replace lamp every 4000 hours following guidelines.
3. Pre-filter:
Check, clean, and replace every one to six months.
4. HEPA Filter:
Change according to manufacturer's instructions or at least every six months.
5. Differential Pressure Gauge:
Utilize gauges specific to dynamic pass boxes.
See more: 9 Considerations For Dynamic Pass Box
Conclusion:
This detailed guide on pass box accessories and their proper use aims to address your concerns. For replacement accessories or further inquiries, contact VCR - Vietnam Cleanroom Equipment at hotline 090 123 7008. Elevate your cleanroom standards with precision-engineered accessories.
