Rectangular cleanroom air distribution plenum box with round side spigot

Системы распределения воздуха в чистых помещениях

Ящик распределения воздуха в чистых помещениях

A sealed duct-to-terminal transition box that converts inlet velocity into even static pressure across a cleanroom diffuser, grille or linear slot outlet.

Pressure Equalization
Gasketed Duct Spigot
Terminal-Wide Air Distribution
Accessible Balancing Module

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Введение продукции

The cleanroom air distribution plenum box sits between a branch duct and the larger face of a diffuser or grille. Its internal volume reduces inlet velocity and allows pressure to spread before air reaches the terminal, preventing concentrated discharge beneath the spigot. Galvanized or stainless sheet construction forms a sealed path with a gasketed round connection, and an optional removable measuring damper provides room-side balancing. Non-fibrous or faced acoustic lining can reduce duct noise where the material is isolated from the clean airstream.

Основные характеристики

The expanding chamber lowers dynamic pressure and distributes static pressure across the terminal face.

A rubber-sealed round spigot limits leakage at the branch duct connection.

Removable measurement and adjustment modules allow balancing through the diffuser opening.

Square, rectangular and full-length linear configurations match different cleanroom air terminals.

Решения для вашего приложения

A direct duct connection can leave a large diffuser face starved at the edges and noisy at the center unless velocity is equalized first.

Air exits only from the terminal area closest to the duct inlet.Adequate plenum depth and an internal distribution plate spread pressure across the complete outlet.

A balancing damper above the ceiling cannot be reached after handover.A removable control module is accessible through the diffuser or grille face from the room side.

Duct noise passes directly through a lightweight terminal outlet.Optional faced attenuation material and reduced internal velocity limit regenerated and transmitted sound.

Field-cut spigot joints leak into the ceiling void.Factory-formed beaded connections with integral rubber gaskets provide a repeatable sealed duct interface.

Типичные приложения

Ceiling diffuser connection boxesLinear slot diffuser plenumsReturn and exhaust grille transitionsCleanroom wall outlet branchesLow-turbulence perforated diffuser housings

Технические параметры

Typical materials and dimensional ranges for a cleanroom diffuser or grille plenum box are listed below.

Основной материал	Galvanized-steel or 304 stainless-steel box with optional faced polyester-fibre sound attenuation
Толщина панели	0.8–1.2 mm folded and sealed plenum panels
эффективная ширина	200–1200 mm terminal connection width
Максимальная длина	Up to 2000 mm per linear plenum section
Толщина линий стали	0.8–1.2 mm galvanized or stainless plenum sheet
Плотность ядра	Approximately 7850 kg/m³ for the steel plenum casing
Теплопроводимость	Approximately 45–60 W/(m·K) for the steel plenum casing
Поверхностная отделка	Clean galvanized finish, white powder coat or brushed 304 stainless steel
Объединенный тип	Folded sealed box seams with gasketed round spigot and flanged terminal connection
Customization	Доступно в зависимости от предполагаемого применения и операционной среды.

Доступные варианты

Top, side or multiple duct spigotsAirflow measuring and balancing moduleFaced polyester acoustic attenuationSquare, rectangular or continuous linear construction

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