Dynamic Pass box is used to transfer the materials from one side to other side through a controlled environment in order to avoid cross contamination of airborne particles. It is fixed between two cleanroom areas having different grade/class of air, though we can also use for the same grade/class of air. It prevents the entrance of contaminants in the sterile area from non sterile area. Door Interlocking is the primary feature of a pass box, when one side door is open the other side door remains closed.
It consists a HEPA Filter which is used to provide 0.3 micron air in the intenal working area (ISO 5 – Class 100) with Grill Protection. Differential Pressure Gauge is mounted to monitor the Diff. Pressure across HEPA Filter. There is also recirculatory system with Pre filter for the longer life of HEPA Filter. It is also known as Active Pass box equipped with UV light. It is popular with other names such as cleanroom pass through box, hatch box, transfer hatch, clean transfer window and transfer hatch; in addition, it is widely used in microbiology laboratories in food, pharmaceutical, laboratories, life science, electronics and chemical industries.
V-Mac Engineers is a Leading Dynamic Pass Box manufacturer in India. We supply to all over India as well as abroad. Our pass boxes deliver low noise and easy to use operation, rugged construction promises long service life. we make standard and customized pass through boxes to any customer provided size. Every box is made to comply international standards and supplied at industry leading price in India.
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Technical Specifications
| Parameter | Specification |
| Air Flow | Vertical Down Flow (Recirculated) |
| Air Cleanliness | Dust counts exceeds Class 100 requirements as per ISO 14644 & IEST-RP-CC001.3 |
| Air Velocity | 90 ± 20 FPM at 150 mm From HEPA Filter Face, (0.45 ± 0.05 m/s) |
| Material Thickness | 1 mm / 1.2 mm |
| Surface Finish | Matte Finish No. 4 |
| Material Grade | SS 304 / SS 316 / SS 316L / In Combination |
| Construction | Double Skin Body Construction, Recirculatory Plenum on Both Sides |
| Internal Coving | Pencil Coving in Internal Working Area for Easy Cleaning |
| HEPA Filter | 0.3 Micron, H14 Grade with Efficiency 99.999%, Supply Minipleat HEPA Filter |
| Pre-Filter | 5 Micron, EU5 grade with Efficiency 95% – Washable (For Fresh Air & Recirculation) |
| Motor Blower | Statically & Dynamically Balanced Single/Double Inlet Centrifugal Type Motor Blower |
| Magnehelic Gauge | 0 to 25 MM, To measure differential pressure across HEPA Filter |
| Speed Variable | To adjust the speed of Motor Blower and maintain the required velocity. |
| Display | Two Line Digital Display with ON/OFF Buttons with LED Indication |
| Controller | Electromagnetic Door Interlocking (Allows to open one door at a time) |
| LED Light | Diffused Fluorescent Lighting to provide an intensity of 300 LUX |
| UV Light | 8W-11W |
| Hour Meter | UV Burning Hour Meter (Inbuilt in Controller) |
| Alarm System | Door Open / Close Delay Audio Visual Alarm |
| System Protection | Password Protected System |
| Door Type | SS Sandwich Door with View Panel |
| View Panel | Double Side 4 mm Toughened Glass |
| Door Handle | SS 304 |
| Door Hinges | SS 304 |
| DOP/PAO Test Port | SS 304 (For HEPA Filter Testing) |
| Atmospheric Nozzle | SS 304 |
| Noise Level | Less than 65 DB on scale |
| Power Supply | 230V ± 10V, 50 Hz, Single Phase (Also Available in 3 Phase) |
| Documentation | DQ, IQ and OQ Documents along with all Necessary Test Certificates |
GA Diagram / Drawing of Dynamic Pass Box
Standard Size of Dynamic Pass Box
| Model Number | Internal Size in MM (W X D X H) |
Internal Size in Feet (W X D X H) |
| DPB-450 | 450 X 450 X 450 mm | 1.5 X 1.5 X 1.5 Feet |
| DPB-600 | 600 X 600 X 600 mm | 2 X 2 X 2 Feet |
| DPB-750 | 750 X 750 X 750 mm | 2.5 X 2.5 X 2.5 Feet |
| DPB-900 | 900 X 900 X 900 mm | 3 X 3 X 3 Feet |
| *We also manufacture dynamic pass box size as per customer’s requirement | ||
Warranty and Service Support
We provide 1 year manufacturing warranty from the date of dispatch, We believe in best of the quality and after-sales service support.
Key Features and Specifications
- Design according to WHO, GMP Guidelines ISO 14644-3:2018 [IEST-RP-CC001.3] Compliance
- Electromagnetic Door Interlocking System with Process Lock Timer (Inbuilt)
- 0.3 Micron HEPA Filter with 99.999% Efficiency down to 0.3 Micron [99.995% @ 0.3 MPPS] with Make AAF (American Air Filter).
- 5 Micron Pre Filter with 90% Efficiency down to 5 Micron.
- Centrifugal Forward Curved / Backward Curved Motor blower with speed variable.
- Digital or Analog differential pressure gauge with range 0 to 25 mm of WC.
- Advanced airtight Sturdy Built Doubled Skin Body with No Sharp Edges
- Pencil Coving for Internal Working Area for Easy Cleaning
- Fluorescent Illumination LED Light and UV Light for Disinfection with UV Hour Meter (Inbuilt)
- Door Open / Close Delay Alarm (Inbuilt)
- 30 MM Double Skin Doors with View Panel 5 MM Toughened Glass as View Panel
Optional Features & Accessories
- Flame Proof Design & Construction
- Three Way Dynamic Pass Box
- L Type Construction
- Support Stand for Pass Box Mounting
- UV Hour Meter (External)
- Digital Differential Pressure Gauge with Alarm Hour Meter
- Extra UV Light and Fluorescent LED Light
- Spare HEPA Filters, Pre and Fine Filters
- eFRM / PTFE Media HEPA Filter for Velocity at working height as per latest guidelines.
- EC Series Backward curved motor blower for Energy efficient solution.
Validation of Dynamic Pass Box
- Velocity Measurement [90 ± 20 FPM at 150 mm From HEPA Filter Face, (0.45 ± 0.05 m/s)]
- HEPA Filter Leak Test / Integrity Test
- Particle Count Test [As per Class 100 / ISO 5]
- Air Flow Pattern Test [Smoke Study]
- Recovery Test
Mounting Arrangements
- Wall Mounting
- Stand Mounting
- Floor Mounting
Documentation
- Design Qualification
- Installation Qualification
- Operational Qualification
Certificates
- M.O.C. Certificate
- Test Certificate for Controller
- HEPA Filter Test Certificate
- Motor Blower Test Certificate
- Pre Filter and Fine Filter Test Certificate
- Differential Pressure Gauge Calibration Test Certificate
- Microcontroller with Digital Display Test Certificate
Areas of Application
- Pharmaceutical Industries
- Hospitals and Medial
- Microbiology Laboratories
- Chemical Research Laboratories
- Food Processing Industries
- Electronics Industries
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