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Воздушные фильтры и химическая фильтрация
Фильтры HEPA с ножным краем
A mini-pleat HEPA panel with an integral perimeter blade that enters the gel channel built into a ceiling grid or terminal housing.
- Integral Aluminum Knife Edge
- Gel-Grid Compatibility
- Common-Plenum Installation
- Positive Perimeter Engagement
Введение продукции
The knife-edge HEPA filter incorporates a thin continuous blade into the extruded-aluminum frame rather than carrying the gel on the filter itself. When the panel is lowered into a cleanroom ceiling grid or terminal housing, this blade enters the receiving gel trough and forms a fluid seal around all four sides. The mini-pleat media pack is potted within a separate frame cavity, and protective faceguards shield the filter during common-plenum installation. This configuration is especially useful where the ceiling grid retains the reusable gel channel and filter weight assists the sealing engagement.
Основные характеристики
The blade engages the reusable gel channel built into compatible ceiling grids or equipment.
Filter weight and optional retainers maintain consistent penetration without crushing a foam gasket.
The sealing blade is physically separated from the potted mini-pleat pack to protect media integrity.
Обеспокоенность клиентов продуктами
Knife-edge filters require precise blade geometry and careful alignment so the complete perimeter enters the receiving gel without damaging the trough.
A replacement filter does not align with the reusable ceiling-grid gel trough.A dimensionally controlled extruded blade follows the modular frame perimeter and enters the specified channel centerline.
Sharp or rough blade joints tear the gel surface during installation.Smooth mitered corners and deburred continuous edges allow clean penetration around the full frame.
A shallow blade disengages when the ceiling grid deflects.The blade projection is matched to the gel-trough depth with sufficient engagement allowance.
Installers press on the media face while seating the perimeter blade.A rigid aluminum frame and protective faceguard provide safe load-bearing handling points.
Типичные приложения
Common-plenum cleanroom ceilingsGel-channel fan filter unitsPharmaceutical production suitesЧистые комнаты для микроэлектроникиTerminal housings with reusable fluid troughs
Технические параметры
Typical construction ranges for an integral knife-edge mini-pleat HEPA filter are shown below.
| Основной материал | Low-pressure-drop microglass or expanded-fluororesin membrane media in a separatorless mini-pleat pack |
|---|---|
| Толщина панели | 70-100 mm media frame plus 20-40 mm integral knife-edge projection |
| эффективная ширина | 305-610 mm ceiling-module width |
| Максимальная длина | Up to 1220 mm panel length |
| Толщина линий стали | 0.45-0.65 mm optional epoxy-coated steel upstream and downstream faceguard |
| Плотность ядра | Approximately 88-148 kg/m³ nominal knife-edge mini-pleat pack density |
| Теплопроводимость | Approximately 0.030-0.038 W/(m·K) for dry microglass or membrane media |
| Поверхностная отделка | Clear anodized-aluminum frame with a smooth deburred perimeter knife edge |
| Объединенный тип | Integral perimeter knife edge inserted into the gel channel of the matching ceiling grid or housing |
| Customization | Доступно в зависимости от предполагаемого применения и операционной среды. |
Доступные варианты
H13, H14 or ULPA media20 mm or 40 mm blade projectionUpstream or downstream knife-edge orientationSingle-piece or reinforced long-format aluminum frame
Planning a Knife-Edge HEPA Filter specification?
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