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FFU ومعدات تنقية الهواء الطرفية
Aluzinc المغلفة الصلب مروحة وحدة تصفية
A durable FFU using spangled aluminium-zinc coated steel to combine the stiffness of formed sheet with better atmospheric corrosion resistance than untreated galvanized housing.
- Aluminium-Zinc Coated Housing
- Visible Protective Spangle
- Folded Lock-Seam Construction
- Cost-Effective Corrosion Resistance
مقدمة المنتج
The Aluzinc-coated steel fan filter unit uses aluminium-zinc metallic-coated sheet for the plenum, access covers and formed mounting edges. The characteristic crystalline spangle remains visible, making the housing easy to distinguish from brushed stainless steel. Folded lock seams create rigid edges without extensive welding, while zinc-compatible clips and passivated fasteners limit dissimilar-metal contact. The material is intended for clean ceiling voids where a natural metallic finish and improved atmospheric corrosion resistance are required without the mass and cost of an all-stainless enclosure.
الخصائص الرئيسية
A formed lock-seam casing gains stiffness from folded edges while keeping the module comparatively light.
The natural metallic surface eliminates a paint layer that could be scratched during overhead handling.
Compatible clips, screws and gasket retainers reduce avoidable galvanic contact at service points.
مخاوف المنتج للعملاء
A metallic FFU housing must resist routine plenum humidity and installation scratches without introducing unnecessary stainless-steel cost.
Paint damage during ceiling installation exposes ordinary steel edges before the room is commissioned.The metallic aluminium-zinc coating remains protective even where no decorative powder coating is applied.
A heavy stainless enclosure adds load to a lightweight modular ceiling grid.Formed Aluzinc sheet provides useful casing stiffness at a lower enclosure mass.
Condensation above the ceiling creates white rust and staining on basic galvanized panels.The aluminium-zinc coating improves atmospheric corrosion resistance in normal service conditions.
Mixed clips and fasteners leave localized corrosion marks around removable covers.Zinc-compatible hardware and isolating washers maintain a more consistent material interface.
تطبيقات نموذجية
General pharmaceutical cleanroom ceilingsElectronics production facilitiesHumid utility plenums above clean areasCost-sensitive modular cleanroomsIndustrial laboratories with metallic ceiling systems
المعلمات الفنية
Typical construction ranges for an Aluzinc-coated steel fan filter unit are listed below.
| المواد الأساسية | Aluminium-zinc coated steel plenum, centrifugal fan assembly and micro-glass HEPA or ULPA final-filter pack |
|---|---|
| سمك اللوحة | 300-400 mm overall module depth |
| العرض الفعال | 575-1170 mm nominal ceiling-grid width |
| الحد الأقصى الطول | Up to 1170 mm standard module length |
| الصلب يواجه سمك | 0.8-1.2 mm Aluzinc or Galvalume coated steel sheet |
| الكثافة الأساسية | Approximately 80-110 kg/m³ nominal compacted density of the micro-glass filter pack |
| الموصلية الحرارية | Approximately 0.035-0.045 W/(m·K) for the dry micro-glass pack inside the Aluzinc-coated FFU housing |
| إنهاء السطح | Natural passivated Aluzinc spangle with optional powder-coated cleanroom-side diffuser |
| نوع المشترك | Folded lock-seam plenum with gasketed ceiling flange and compression-sealed removable filter frame |
| التخصيص | متوفر على أساس التطبيق المقصود وبيئة التشغيل. |
الخيارات المتاحة
Natural spangled or white powder-coated exteriorAC or EC centrifugal fanGasketed HEPA or gel-seal ULPA filter optionTool-free upper access or clean-side filter replacement
Planning a Aluzinc-Coated Steel Fan Filter Unit specification?
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