Insulated rectangular duct access door with cam latches and gasket

Sistem Distribusi Udara Cleanroom

Pintu Akses Duct Terisolasi

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

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Perkenalan produk

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.

Fitur utama:

Double-wall construction limits thermal bridging through insulated supply and return ductwork.

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.

Kekhawatiran produk pelanggan

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.

Aplikasi yang Tipis

Filter and damper inspectionCoil and humidifier accessDuct cleaning entry pointsFire and smoke damper serviceCleanroom exhaust inspection

Parameter teknis

Representative construction ranges for an insulated rectangular duct access door are shown below.

Bahan inti	Closed-cell elastomeric foam or non-shedding fiberglass insulation enclosed by metal skins
Ketebalan Panel (Panel Thickness)	25–50 mm double-wall door depth
Efektif lebar	150–650 mm clear opening width
Panjang maksimum	450 mm standard opening height; up to 650 mm by custom fabrication
Baja menghadap ketebalan	0.7–1.0 mm galvanized steel or 304 stainless steel skins
Kepadatan inti (core density)	32–48 kg/m³ enclosed insulation core
Konduktivitas Termal (Thermal Conductivity)	0.034–0.040 W/(m·K) for the insulated core
Permukaan selesai	Galvanized, powder-coated or brushed stainless steel with closed-cell gasket
Jenis Bersama	Hinged or lift-off frame with continuous gasket and adjustable cam latches
Customization (Kustomisasi)	Tersedia berdasarkan aplikasi yang dimaksudkan dan lingkungan operasi.

Pilihan yang tersedia

Galvanized or 304 stainless constructionHinged or lift-off doorRound-duct saddle frameTool-operated or hand cam latches

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