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Cleanroom Utility Systems
BIBO Exhaust Filtration System
Gas-tight welded stainless single-cell exhaust housing with a ribbed safe-change port, retained PVC bag and positive filter seal for contained BIBO maintenance.
- Barrier-bag filter change at the service port
- Gas-tight welded single-cell containment housing
- Positive filter clamp with pressure and test interfaces
Product Introduction
The BIBO Exhaust Filtration System is a single-cell side-access housing designed to keep a contaminated exhaust filter separated from service personnel and the surrounding area during change-out. The welded stainless cabinet carries a compatible full-size filter in a positive clamping and sealing frame. At the service opening, a ribbed collar retains a flexible PVC change bag with a security strap; the used filter is moved into the bag, sealed and separated before the replacement is transferred through a new barrier. A removable outer door protects the stored bag during operation, while differential-pressure and test ports support monitoring and the selected in-place verification method. BIBO is a maintenance-containment feature, not a substitute for hazard assessment, decontamination, PPE or a validated waste procedure.
Key Features
Integrated glove sleeves allow the locking mechanism and filter to be handled through the barrier
The positive internal clamp loads a gasket or fluid-seal filter against its continuous sealing surface
A fully welded stainless pressure boundary limits leakage paths through the cabinet shell
The outer service door protects the folded change bag and collar during normal exhaust operation
Red and blue pressure taps provide designated upstream and downstream resistance connections
Capped aerosol and sampling ports can support the configured in-place filter test procedure
Opposed duct flanges simplify integration into a straight exhaust branch or modular filter train
A replaceable bag, security strap and sealing-band sequence supports planned safe-change consumables
Single-cell construction can be combined with separate prefilter, adsorber, damper or fan sections
Customer Product Concerns
Contained filter change succeeds only when the housing, bag, seals, service space and work procedure function as one verified barrier.
A punctured, aged or incorrectly seated bag can defeat the service barrierInspect bag material and seams before use, fit it over the correct collar ribs and secure the specified strap before opening the filter path.
Cutting the old bag without two independent seals can release contaminationUse the approved twist-and-seal or banding sequence so both the contaminated package and the housing stub remain closed before separation.
A filter may not seal if the locking mechanism is operated unevenly through the glove sleevesFollow the defined actuator sequence, confirm full travel and perform the selected housing/filter integrity test after installation.
Insufficient service space can force the used filter or bag against sharp nearby equipmentReserve door swing, bag extension, support-table and sealed-package handling space in front of the access port.
Assuming BIBO alone controls every hazard can leave decontamination and waste risks unmanagedIntegrate the change procedure with hazard-specific PPE, decontamination, isolation, labeling and approved waste disposition.
Pressure monitoring can indicate loading but cannot prove the filter perimeter is leak-freeUse differential pressure for condition trending and a separate defined aerosol or pressure-decay method for integrity verification.
Typical Applications
Biosafety and containment laboratory exhaustPharmaceutical potent-compound and biological-process ventilationHospital isolation and specialized diagnostic exhaust systemsChemical and battery-material processes with hazardous captured particulateAnimal facilities and research spaces requiring controlled filter serviceNuclear-support, radiological and other engineered containment ventilation
Technical Parameters
The displayed basis is a gas-tight welded 304 stainless single-cell BIBO housing for one nominal 610 x 610 x 292 mm filter, using a representative 730 mm width, 535 mm height and 815 mm cabinet depth. The shell is represented in 1.9 mm 14-gauge-class stainless. The site's fixed schema uses Maximum Length for the largest housing envelope and Steel Facing Thickness for the single metal pressure boundary. Filter efficiency, seal type, bag material, test method, pressure duty and airflow remain configuration-selected.
| Core Material | Gas-tight welded 304 stainless steel housing with stainless filter clamp, ribbed safe-change collar, flexible PVC barrier bag and selected gasket or fluid seal |
|---|---|
| Panel Thickness | Approximately 1.9 mm 14-gauge-class stainless housing wall for the selected single-cell display basis |
| Effective Width | 730 mm representative overall housing width for one full-size filter cell and side-access containment port |
| Maximum Length | 815 mm representative maximum cabinet depth, excluding extended change bag, open-door swing and duct transitions |
| Steel Facing Thickness | Approximately 1.9 mm 304 stainless pressure-boundary sheet with no separate decorative facing layer |
| Core Density | Approximately 8000 kg/m³ representative density for austenitic stainless steel sheet |
| Thermal Conductivity | Approximately 15 W/(m·K) near room temperature for representative austenitic stainless steel |
| Surface Finish | Natural-silver brushed or 2B stainless cabinet with translucent amber PVC bag, red security strap, black knobs and red/blue pressure caps |
| Joint Type | Continuous welded cabinet seams, gasketed bolted duct flanges, compression-sealed outer door, ribbed bagging collar and positive internal filter clamp |
| Customization | Available based on the intended application and operating environment. |
Available Options
304L or 316L stainless steel pressure-boundary constructionGasket-seal or gel/fluid-seal filter clamping arrangementSingle or multiple HEPA, prefilter and molecular-filter stagesPVC change bags in selected thicknesses with glove sleeves and security strapsBubble-tight isolation dampers and decontamination portsAerosol injection, sampling and manual or automated scan interfacesDifferential-pressure gauge, transmitter and local identification packageHorizontal, vertical-up or vertical-down airflow orientationSupport legs, lifting lugs, change-out shelf and modular fan section
Planning a BIBO Exhaust Filtration System specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
