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Воздушные фильтры и химическая фильтрация
Кожуш терминального фильтра HEPA
A welded ceiling terminal that seals a slim HEPA filter above an interchangeable diffuser and permits room-side servicing in controlled spaces.
- Room-Side Filter Access
- Welded Ceiling Plenum
- Gasket or Gel Seal
- Interchangeable Diffuser Face
Введение продукции
The terminal housing forms the final sealed transition from the branch duct to a cleanroom HEPA filter and diffuser. A top or side spigot feeds the welded plenum, where an internal knife edge or compression flange mates with the selected filter seal. Quarter-turn or swing clamps are accessible after the diffuser face is lowered, so the filter can be changed without opening the ceiling void. Upstream pressure and aerosol ports can also be reached from the room for balancing and integrity testing.
Основные характеристики
Fully welded plenum seams control leakage between the duct and filter face.
Gasket- and gel-seal variants match common slim HEPA frame constructions.
Detachable perforated or swirl diffusers allow the air pattern to be selected independently.
Обеспокоенность клиентов продуктами
The final HEPA interface must remain sealed while allowing testing and filter replacement from the clean side.
Above-ceiling services block access to the terminal filter.Room-side clamps and removable diffuser panels keep routine service below the ceiling.
A loose plenum seam bypasses the HEPA element.Continuous welding joins the duct spigot, box corners and sealing frame into one enclosure.
Filter testing requires temporary hoses through the ceiling.Integrated upstream pressure and aerosol ports terminate at the room-side face.
Different rooms need different supply patterns from the same filter size.Interchangeable perforated, swirl or four-way diffuser faces attach to a common terminal housing.
Типичные приложения
Pharmaceutical cleanroom ceilingsHospital operating roomsBiotechnology laboratoriesMedical-device productionFood aseptic filling zones
Технические параметры
Representative dimensions and materials for a cleanroom terminal HEPA housing are listed below.
| Основной материал | Fully welded steel plenum with room-side stainless filter clamps and diffuser frame |
|---|---|
| Толщина панели | 1.0–1.5 mm housing panels |
| эффективная ширина | 305–1220 mm terminal face width |
| Максимальная длина | Up to 1220 mm terminal face length |
| Толщина линий стали | 1.0–1.5 mm galvanized, stainless or powder-coated sheet steel |
| Плотность ядра | Approximately 7850 kg/m³ for steel housing and clamp components |
| Теплопроводимость | Approximately 45–60 W/(m·K) for the steel plenum |
| Поверхностная отделка | Smooth white RAL 9010 powder coat or brushed 304 stainless steel |
| Объединенный тип | Welded plenum with gasket-compression flange or gel-seal knife edge and removable diffuser |
| Customization | Доступно в зависимости от предполагаемого применения и операционной среды. |
Доступные варианты
Top or side circular duct inletGasket or gel filter sealPerforated, swirl or four-way diffuserRoom-side pressure and aerosol ports
Planning a Terminal HEPA Filter Housing specification?
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