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Cleanroom Luftverteilungssysteme
Isolierte Duct Access Tür
A gasketed double-wall access door that provides repeatable entry for inspection, cleaning and servicing inside rectangular HVAC ducts.
- Double-Wall Insulated Panel
- Compression Cam Latches
- Continuous Perimeter Gasket
- Hinged or Lift-Off Design
Produkteinführung
The insulated duct access door mounts into a prepared rectangular opening and provides a rigid, reusable closure for internal inspection. A double-wall metal panel surrounds a non-shedding insulation core, while a continuous closed-cell gasket seals against the frame. Cam latches apply even compression and a piano hinge retains the door in overhead or vertical service positions. The frame edge is hemmed or flanged into the duct wall and sealed externally so cleaning liquids and air do not bypass the opening.
Key Features
Adjustable cam latches apply repeatable gasket compression after each inspection cycle.
A continuous closed-cell perimeter seal avoids open corners around the access opening.
Hinged and lift-off formats suit overhead, side-wall and restricted-service locations.
Kunden Produktbedenken
An access opening must be large enough for the intended task yet close with the same thermal and leakage integrity as the surrounding duct wall.
A cut sheet-metal cover distorts after repeated removal.A reinforced double-wall door and fixed frame preserve alignment through service cycles.
Warm humid air condenses on a single-skin access panel.Enclosed insulation reduces the temperature difference across the closure.
Uneven screw tightening leaves gaps along the gasket.Multiple cam latches distribute compression around the full perimeter.
Loose insulation fibers are exposed at the door edge.Metal skins and hemmed frame edges completely enclose the insulation core.
Typische Anwendungen
Filter and damper inspectionCoil and humidifier accessDuct cleaning entry pointsFire and smoke damper serviceCleanroom exhaust inspection
Technische Parameter
Representative construction ranges for an insulated rectangular duct access door are shown below.
| Core Material | Closed-cell elastomeric foam or non-shedding fiberglass insulation enclosed by metal skins |
|---|---|
| Panel Dicke | 25–50 mm double-wall door depth |
| Effektive Breite | 150–650 mm clear opening width |
| Maximale Länge | 450 mm standard opening height; up to 650 mm by custom fabrication |
| Stahl facing Dicke | 0.7–1.0 mm galvanized steel or 304 stainless steel skins |
| Kerndichte | 32–48 kg/m³ enclosed insulation core |
| Thermische Leitfähigkeit | 0.034–0.040 W/(m·K) for the insulated core |
| Oberfläche Finish | Galvanized, powder-coated or brushed stainless steel with closed-cell gasket |
| Gemeinsamer Typ | Hinged or lift-off frame with continuous gasket and adjustable cam latches |
| Customisierung | Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung. |
Verfügbare Optionen
Galvanized or 304 stainless constructionHinged or lift-off doorRound-duct saddle frameTool-operated or hand cam latches
Planning a Insulated Duct Access Door specification?
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