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مرشحات الهواء والترشيح الكيميائي
مرشح HEPA الطرفية
A low-profile final filter engineered for direct installation in cleanroom ceiling terminals, diffuser housings and laminar-flow supply modules.
- Ceiling-Terminal Format
- Uniform Downward Airflow
- Room-Side Service Option
- Protected Mini-Pleat Pack
مقدمة المنتج
The terminal HEPA filter packages a shallow mini-pleat media pack in a cleanroom-compatible anodized-aluminum frame sized for ceiling modules, fan filter units and laminar-flow diffusers. The downstream face is kept flat and protected so air can enter the occupied clean zone uniformly after the terminal screen or diffuser. A full perimeter seal interfaces with the terminal housing, and the low profile preserves plenum height above the ceiling grid. Optional scan-test and pressure-drop arrangements support routine in-place assessment without disturbing the upstream ductwork.
الخصائص الرئيسية
Uniform mini-pleat spacing supports even discharge across a perforated face or diffuser screen.
Anodized-aluminum perimeter framing withstands repeated room-side cleaning and filter replacement.
Selectable sealing edges match common room-side replaceable and top-loading terminal housings.
مخاوف المنتج للعملاء
Terminal filtration must provide a final leak-resistant barrier without creating uneven supply patterns or consuming excessive ceiling plenum space.
A full-depth HEPA cell conflicts with ducts and utilities above a low ceiling.The shallow mini-pleat panel preserves clearance within crowded service plenums.
Nonuniform filter resistance creates visible high-velocity spots at the diffuser face.Consistent pleat spacing and full perimeter potting distribute flow across the complete terminal area.
Filter replacement from above interrupts utilities and exposes the plenum.A compatible room-side retaining arrangement allows the panel to be removed from the clean space.
Ceiling-grid movement compromises the seal around the final filter.A rigid aluminum frame and purpose-selected gasket, gel channel or knife edge maintain a defined sealing interface.
تطبيقات نموذجية
Pharmaceutical cleanroom supply ceilingsHospital operating-room terminalsElectronics and semiconductor cleanroomsLaminar-flow canopiesRoom-side replaceable HEPA modules
المعلمات الفنية
Typical construction ranges for a cleanroom ceiling terminal HEPA filter are listed below.
| المواد الأساسية | Low-resistance microglass mini-pleat HEPA media with continuous glass-filament or thermoplastic separators |
|---|---|
| سمك اللوحة | 70, 90 or 100 mm terminal-filter depth |
| العرض الفعال | 305-610 mm ceiling-module width |
| الحد الأقصى الطول | Up to 1220 mm terminal panel length |
| الصلب يواجه سمك | 0.40-0.60 mm powder-coated steel or stainless-steel downstream faceguard |
| الكثافة الأساسية | Approximately 80-145 kg/m³ nominal mini-pleat pack density |
| الموصلية الحرارية | Approximately 0.033-0.039 W/(m·K) for dry low-resistance terminal-filter media |
| إنهاء السطح | Clear anodized or white powder-coated aluminum frame with clean white media |
| نوع المشترك | Potted mini-pleat panel with gasket, gel channel or knife-edge perimeter matched to the terminal housing |
| التخصيص | متوفر على أساس التطبيق المقصود وبيئة التشغيل. |
الخيارات المتاحة
H13, H14 or ULPA efficiencyRoom-side replaceable or top-loading frameGel seal, gasket seal or integral knife edgePressure-drop port and scan-test access compatibility
Planning a Terminal HEPA Filter specification?
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