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Systèmes de contrôle des salles blanches et de surveillance environnementale
Système de verrouillage Pass Box par
A compact paired-door interlock that keeps opposite pass box doors mutually exclusive and gives operators clear release, locked and door-open feedback.
- Mutually Exclusive Doors
- Compact Embedded Controller
- Door-Open Alarm
- Timed Opposite-Door Release
Introduction de produit
The pass box interlock system is designed for two closely coupled transfer-hatch doors. Magnetic contacts confirm the actual door position, while compact electric strikes or electromagnetic locks enforce the interlock. Stainless pushbutton indicators on each side show whether the local door is available, occupied or locked. A release delay can be added after closure, and optional germicidal-cycle or purge-ready inputs can hold both doors locked while the pass box completes its internal sequence.
Key Features
Door contacts verify physical closure instead of relying only on the lock command.
Illuminated stainless buttons communicate local request and availability at both sides.
Optional cycle input keeps both doors secured during purge or internal treatment operation.
Préoccupations du client produit
A pass box interlock must fit a compact enclosure and tolerate frequent door cycles while protecting the transfer boundary.
One door appears closed but the latch has not fully seated.A dedicated magnetic contact confirms actual closure before the opposite lock releases.
Operators on opposite sides cannot see which door is being used.Local illuminated indicators show available, occupied and alarm states on both faces.
Door slamming causes contacts to bounce and the opposite lock to chatter.Input debounce and a short release delay stabilize the sequence after closure.
A purge or treatment cycle is interrupted by an early door request.A cycle-hold input locks both doors until the pass box confirms completion.
Les applications typiques
Static transfer hatchesDynamic pass boxesSterile material transferLaboratory specimen pass-throughs
Paramètres techniques
Typical materials and dimensions for a compact pass box door interlock controller are shown below.
| Matériaux de base | Stainless steel faceplates with FR-4 interlock board, copper relays and flame-retardant polymer terminals |
|---|---|
| Panneau épaisseur | 35-90 mm embedded controller depth |
| Largeur effective | 100-250 mm controller or faceplate width |
| Longueur maximale | Up to 350 mm controller enclosure length |
| Acier face épaisseur | 1.0-1.5 mm 304 stainless steel faceplates |
| Densité Core | 7900-8030 kg/m³ for 304 stainless steel parts |
| Conductivité thermique | 14-17 W/(m·K) for 304 stainless steel faceplates |
| surface finie | Brushed 304 stainless steel with green request and red locked indicators |
| Type joint | Embedded two-door controller with quick-connect lock, contact, lamp and cycle terminals |
| Customisation | Disponible en fonction de l'application prévue et de l'environnement d'exploitation. |
Options disponibles
Electric strike or magnetic lockPurge-cycle lock inputDoor-open buzzerFlush stainless indicator plates
Planning a Pass Box Interlock System specification?
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