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FFU y equipos de purificación de aire terminal
Habitación terminal HEPA
A fanless welded ceiling filter box that connects the supply duct to a sealed HEPA or ULPA panel and cleanroom diffuser with room-side service access.
- Fully Welded Fanless Housing
- Top or Side Duct Collar
- Gel-Seal Filter Option
- Interchangeable Diffuser Face
Introducción del producto
The cleanroom HEPA terminal housing forms the final sealed transition between a central air-supply duct and the cleanroom. Its fully welded steel plenum accepts a top or side collar, while an internal clamping frame holds a HEPA or ULPA panel against a gasket or gel knife edge. A hinged or quick-release room-side diffuser provides access to the filter, pressure port and upstream challenge connection. Because the module contains no fan, airflow is governed by the upstream air-handling system and an optional inlet damper, making it well suited to ducted pharmaceutical, laboratory and healthcare ceilings.
Características clave
Top, side-round or side-rectangular inlet positions accommodate different ceiling-clearance conditions.
Room-side clamps retain the filter evenly and allow replacement without removing the terminal box.
Interchangeable perforated, swirl or adjustable-nozzle faces adapt the discharge pattern to the room layout.
Preocupaciones del producto del cliente
A terminal filter box must prevent bypass leakage, fit restricted ceiling space and remain serviceable without disturbing the supply duct.
Folded or spot-welded plenum seams can leak unfiltered supply air around the final filter.Continuous welded seams maintain a sealed pressure path from the duct inlet to the filter seat.
A centred top collar conflicts with structural members or shallow ceiling services.Alternative top, side-round and side-rectangular connections allow the plenum to fit the available space.
Uneven filter clamping leaves local gaps around a gasket or gel channel.Multiple room-side retaining points apply balanced compression around the complete frame.
One fixed diffuser pattern causes draughts or poor room mixing after a layout change.Replaceable front plates provide perforated vertical, swirl or adjustable radial discharge patterns.
Aplicaciones típicas
Pharmaceutical cleanroom ceilingsHospital isolation and procedure roomsBiotechnology laboratoriesFood and beverage controlled areasDucted microelectronics clean zones
Parámetros técnicos
Typical material and size ranges for a ducted cleanroom HEPA terminal housing are listed below.
| Materiales Core | Fanless welded steel plenum with aluminium-frame micro-glass HEPA or ULPA mini-pleat filter |
|---|---|
| Panel de espesor | 250-500 mm housing depth excluding duct collar |
| Ancho efectivo | 305-1220 mm nominal filter and diffuser width |
| Longitud máxima | Up to 1220 mm standard terminal housing length |
| Acero frente a espesor | 1.0-1.5 mm fully welded powder-coated or stainless-steel plenum |
| Densidad Core | Approximately 90-120 kg/m³ compacted density of the HEPA or ULPA pack seated in the terminal housing |
| Conductividad térmica | Approximately 0.035-0.043 W/(m·K) for the final-filter pack seated in the cleanroom terminal housing |
| Superficie acabada | White epoxy-polyester powder coat or brushed 304 stainless steel |
| Tipo conjunto | Welded duct plenum with room-side compression gasket or knife-edge gel-seal filter clamp |
| Customization | Disponible según la aplicación prevista y el entorno operativo. |
Opciones disponibles
Top-round, side-round or side-rectangular inletHEPA H13-H14 or ULPA filterPerforated, swirl or adjustable-nozzle diffuserRoom-side pressure and aerosol test ports
Planning a Cleanroom HEPA Terminal Housing specification?
Envíenos sus dimensiones, condiciones de instalación, objetivos de rendimiento y acabado superficial requerido.
