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Laminar Flow Pass Box with Automatic Doors

Pass Box
August 09, 2025
Category Connection: Clean Room Pass Box
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Tags:
#Air Shower Pass Box #Lab Pass Through Box #Clean Room Pass Thru Box
Brief: Discover the Auto-Door Laminar Flow Pass Box, designed for contamination-free transfer between critical zones. Featuring H14 HEPA filtration, motorized sliding doors, and ISO Class 5 air purity, this pass box ensures zero-human-intervention material movement with adaptive airflow control and 316L stainless steel construction.
Related Product Features:
  • Vertical unidirectional airflow (0.45±0.05m/s) ensures consistent particle removal.
  • H14 HEPA filtration (99.995% @ 0.3μm) with G4 pre-filter for superior air purity.
  • Motorized sliding doors with infrared sensors for touchless operation (open/close ≤3s).
  • 316L stainless steel construction (Ra≤0.6μm) meets cGMP sanitization requirements.
  • PLC control with infrared sensor activation for automated, reliable operation.
  • Obstacle detection and emergency manual override enhance safety during use.
  • Maintains ISO Class 3-5 cleanliness per ISO 14644 standards.
  • Low noise level (≤55 dB(A) at 1m distance) ensures a quiet working environment.
Faqs:
  • How does laminar flow prevent contamination during door opening?
    The system uses a 3-stage protection: pre-purge cycle for chamber cleaning, an air curtain (0.55m/s downward flow) as a particle barrier, and a step-over design (80mm raised sill) to block floor contaminants.
  • What happens if power fails during operation?
    Fail-safe protocols activate: doors auto-lock in closed position, UPS backup maintains HEPA airflow for 15 minutes, and a mechanical release lever is accessible externally.
  • Can the pass box handle heavy items like media tanks?
    Yes, with optional upgrades: load capacity up to 50kg (standard 20kg), conveyor roller track integration, and floor-embedded installation for trolleys.
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