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أنظمة توزيع الهواء في الغرف النظيفة
غرفة نظيفة توزيع الهواء المكتملة مربع
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
مقدمة المنتج
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.
الخصائص الرئيسية
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.
مخاوف المنتج للعملاء
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.
تطبيقات نموذجية
Ceiling diffuser connection boxesLinear slot diffuser plenumsReturn and exhaust grille transitionsCleanroom wall outlet branchesLow-turbulence perforated diffuser housings
المعلمات الفنية
Typical materials and dimensional ranges for a cleanroom diffuser or grille plenum box are listed below.
| المواد الأساسية | Galvanized-steel or 304 stainless-steel box with optional faced polyester-fibre sound attenuation |
|---|---|
| سمك اللوحة | 0.8–1.2 mm folded and sealed plenum panels |
| العرض الفعال | 200–1200 mm terminal connection width |
| الحد الأقصى الطول | Up to 2000 mm per linear plenum section |
| الصلب يواجه سمك | 0.8–1.2 mm galvanized or stainless plenum sheet |
| الكثافة الأساسية | Approximately 7850 kg/m³ for the steel plenum casing |
| الموصلية الحرارية | Approximately 45–60 W/(m·K) for the steel plenum casing |
| إنهاء السطح | Clean galvanized finish, white powder coat or brushed 304 stainless steel |
| نوع المشترك | Folded sealed box seams with gasketed round spigot and flanged terminal connection |
| التخصيص | متوفر على أساس التطبيق المقصود وبيئة التشغيل. |
الخيارات المتاحة
Top, side or multiple duct spigotsAirflow measuring and balancing moduleFaced polyester acoustic attenuationSquare, rectangular or continuous linear construction
Planning a Cleanroom Air Distribution Plenum Box specification?
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