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Pre-filtro FFU por
A shallow coarse-media intake panel that captures fibers and large dust before they reach the FFU fan and final HEPA filter.
- Low-Resistance Coarse Media
- Shallow FFU Profile
- Rigid Aluminum Frame
- Easy Service Pull Tabs
Introducción del producto
The FFU pre-filter installs at the fan intake to intercept lint, fibers and coarse particles before they load the impeller or final filter. A shallow aluminum frame holds synthetic media against an expanded-metal support grid, preserving open area under fan suction. Service tabs allow the panel to be removed from a restricted ceiling plenum without disturbing the HEPA filter. Face dimensions, thickness, media grade and airflow direction must match the FFU intake rack.
Características clave
A rigid shallow frame remains square in the intake track during repeated service.
Expanded-metal support prevents media movement toward the rotating fan.
Pull tabs provide a defined grip point for overhead removal and replacement.
Preocupaciones del producto del cliente
An FFU intake filter must protect the fan without consuming the pressure reserve needed by the final filter.
Coarse debris accumulates on the impeller and changes fan balance.The upstream synthetic layer captures fibers and large particles before they enter the wheel.
A restrictive prefilter reduces airflow through the cleanroom HEPA filter.A shallow, open coarse-media structure preserves a broad effective flow area.
Unsupported media bows inward under fan suction.An expanded-metal grid stabilizes the media across the full panel face.
Flush panels are difficult to remove in a shallow ceiling plenum.Flexible pull tabs provide accessible service grips without adding significant depth.
Aplicaciones típicas
Cleanroom fan filter unit intakesLaminar-flow module prefiltrationMini-environment circulation unitsFFU fan and HEPA protection
Parámetros técnicos
Typical construction ranges for FFU intake pre-filters are shown below.
| Materiales Core | Bonded polyester or washable synthetic coarse-filter media with expanded-metal support |
|---|---|
| Panel de espesor | 10-30 mm nominal filter depth |
| Ancho efectivo | 300-610 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 expanded-metal support grid |
| Densidad Core | Approximately 20-45 kg/m³ nominal synthetic-media bulk density |
| Conductividad térmica | Approximately 0.035-0.045 W/(m·K) for dry polyester media |
| Superficie acabada | Natural silver aluminum frame with clean white synthetic media and pull tabs |
| Tipo conjunto | Media retained in a mitered shallow frame with bonded or mechanically fixed support grid |
| Customization | Disponible según la aplicación prevista y el entorno operativo. |
Opciones disponibles
Disposable or washable mediaCustom FFU face dimensionsUpstream or downstream support gridPull-tab location and quantity
Planning a FFU Pre-Filter specification?
Envíenos sus dimensiones, condiciones de instalación, objetivos de rendimiento y acabado superficial requerido.
