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Filtro FFU HEPA
A compact mini-pleat final filter that restores high-efficiency particle filtration in an existing cleanroom fan filter unit.
- Dense Mini-Pleat Media
- Low-Profile FFU Frame
- Sealed Perimeter Pack
- Matched Gasket Interface
Introducción del producto
The FFU HEPA filter is the final air-cleaning element installed beneath the fan section of a fan filter unit. Fine glass-fiber media is formed into closely spaced mini-pleats and stabilized with hot-melt separators to provide a large filtration area within a shallow frame. Perimeter potting prevents bypass between the media pack and aluminum frame, while a compression gasket seals the filter against its supporting surface. Replacement size, efficiency class, pressure drop, gasket side and airflow direction must match the original FFU design.
Características clave
Continuous perimeter potting closes the leakage path between media and frame.
A fitted compression gasket seals the filter to the FFU housing or ceiling interface.
Protective face grids reduce accidental pleat damage during handling and installation.
Preocupaciones del producto del cliente
A replacement HEPA panel must fit the FFU precisely while preserving airflow and eliminating bypass around the media pack.
A frame with incorrect dimensions leaves gaps or cannot enter the FFU housing.Face size, depth and corner tolerances are matched to the original filter envelope.
An unsuitable pressure drop reduces delivered cleanroom airflow.Media area and pleat geometry are selected for the FFU operating face velocity.
Air bypasses the media through an incompatible gasket arrangement.Gasket material, width, thickness and upstream or downstream position are matched to the sealing surface.
Pleats are damaged during overhead handling and replacement.Optional upstream and downstream protective grids shield the media without blocking its open area.
Aplicaciones típicas
Cleanroom fan filter unitsLaminar-flow ceiling modulesMini-environment final filtrationFFU filter replacement programs
Parámetros técnicos
Typical construction ranges for replacement FFU mini-pleat HEPA filters are shown below.
| Materiales Core | Water-resistant micro-glass-fiber HEPA media with hot-melt mini-pleat separators |
|---|---|
| Panel de espesor | 50-120 mm nominal filter depth |
| Ancho efectivo | 305-610 mm nominal face width |
| Longitud máxima | Hasta 1220 mm de longitud nominal de cara por |
| Acero frente a espesor | 0.4-0.8 mm optional galvanized-steel protective grid wire or sheet |
| Densidad Core | Approximately 80-150 kg/m³ nominal pleated media-pack bulk density |
| Conductividad térmica | Approximately 0.035-0.050 W/(m·K) for the dry glass-fiber media pack |
| Superficie acabada | Natural anodized-aluminum frame with white media and dark-gray closed-cell gasket |
| Tipo conjunto | Mini-pleat pack continuously potted into a mitered frame with compression-gasket seal |
| Customization | Disponible según la aplicación prevista y el entorno operativo. |
Opciones disponibles
Matched HEPA efficiency classUpstream or downstream gasketSingle or double protective gridCustom FFU face size and depth
Planning a FFU HEPA Filter specification?
Envíenos sus dimensiones, condiciones de instalación, objetivos de rendimiento y acabado superficial requerido.
