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Portes de salle blanche, fenêtres et systèmes de verrouillage
Automatique Drop Seal
A concealed door-bottom mechanism that lowers a resilient seal onto the floor only when the door reaches the frame.
- Automatic Lowering Action
- Retracts During Opening
- Even Floor Contact
- Cut-to-Length Carrier
Introduction de produit
The automatic door drop seal fits into a mortised channel along the bottom of the cleanroom leaf. As the door closes, a frame-side plunger drives an internal linkage that lowers the silicone or EPDM sealing element evenly toward the floor. Opening releases the plunger and retracts the gasket into its aluminum carrier, reducing drag, wear and contamination pickup compared with a permanently rubbing sweep.
Key Features
The gasket retracts inside the carrier whenever the door opens, limiting abrasion and damage.
An adjustable plunger sets the release point and compensates for installation tolerance.
The aluminum carrier can be trimmed within its permitted range to match the door width.
Préoccupations du client produit
The door bottom must seal pressure leakage without creating continuous friction against a smooth cleanroom floor.
A fixed rubber sweep drags during every cycle and leaves wear marks on the floor.The sealing blade stays retracted until the leaf reaches the closing frame.
Uneven thresholds leave leakage at one end of a rigid bottom seal.The internal mechanism lowers the resilient gasket progressively along the opening.
An exposed surface strip creates a visible ledge along the clean face.The carrier is mortised into the door bottom with only the gasket outlet exposed.
Les applications typiques
Airtight cleanroom swing doorsPersonnel airlock doorsLaboratory pressure-control doorsAcoustic controlled-area entrances
Paramètres techniques
Typical section dimensions and material data for a compact cleanroom automatic drop seal are provided below.
| Matériaux de base | Extruded aluminum carrier with silicone or EPDM drop gasket and steel linkage |
|---|---|
| Panneau épaisseur | Approximately 14–16 mm carrier thickness |
| Largeur effective | Approximately 14–20 mm mortise width |
| Longueur maximale | Up to 1200 mm for common single-door sizes |
| Acier face épaisseur | 0.8–1.2 mm stainless-steel end plates and actuating components |
| Densité Core | Approximately 1100–1300 kg/m³ for the resilient EPDM sealing element |
| Conductivité thermique | Approximately 0.20–0.30 W/(m·K) for the elastomer gasket |
| surface finie | Natural or clear-anodized aluminum carrier with smooth black or gray gasket |
| Type joint | Mortised door-bottom carrier with frame-activated plunger and parallel drop blade |
| Customisation | Disponible en fonction de l'application prévue et de l'environnement d'exploitation. |
Options disponibles
Silicone or EPDM gasket335–1200 mm cut-to-length rangeSingle- or double-actuation mechanismMortised or slim surface-mounted carrier
Planning a Automatic Door Drop Seal specification?
Envoyez-nous vos dimensions, conditions d'installation, objectifs de performance et finition de surface requise.
