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Воздушные фильтры и химическая фильтрация
Предфильтр плоской панели
An economical flat-media first-stage filter that arrests lint, fibers and coarse dust before they load coils or higher-efficiency filters.
- Progressive-Density Media
- Low Initial Resistance
- Rigid Bonded Frame
- First-Stage Equipment Protection
Введение продукции
The flat panel pre-filter uses a flat pad of progressively dense glass or polyester fiber bonded into a moisture-resistant frame. Open fibers on the entering-air side accept large debris, while the denser downstream layer retains smaller coarse particles through the pad depth. Thermoplastic bonding around the perimeter closes bypass paths and keeps the media seated during normal fan cycling. The shallow construction fits standard prefilter tracks where low resistance and simple replacement are more important than fine-particle efficiency.
Основные характеристики
The shallow flat pad adds little resistance at normal air-handler face velocities.
Perimeter bonding prevents the media from lifting away from the frame as airflow changes.
A one-piece moisture-resistant frame keeps corners square during storage, handling and installation.
Обеспокоенность клиентов продуктами
A primary filter must capture bulky contamination without consuming the pressure budget needed by downstream fine filters.
Lint and insects accumulate on cooling coils and block heat-transfer surfaces.The open upstream fiber layer intercepts large debris before it reaches the coil face.
A coarse filter with excessive resistance reduces supply airflow from small fans.A shallow low-density media pad preserves a broad open area and low clean-filter pressure drop.
Media edges lift from weak frames and let unfiltered air bypass the pad.Continuous thermoplastic perimeter bonding secures the pad to the frame on all four sides.
Frequent handling crushes corners and prevents the panel from sealing in its track.A rigid interlocking frame and reinforced corners maintain the specified face dimensions.
Типичные приложения
Fresh-air intake pre-filtrationAir-handling unit coil protectionFan-coil return-air sectionsPrefilters ahead of bag or compact filtersLight industrial ventilation systems
Технические параметры
Typical construction ranges for a disposable flat panel pre-filter are listed below.
| Основной материал | Progressive-density glass fiber or bonded polyester coarse-filter pad |
|---|---|
| Толщина панели | 25 or 50 mm nominal filter depth |
| эффективная ширина | 290-610 mm standard face width |
| Максимальная длина | Up to 610 mm standard face length; larger custom panels may use intermediate support |
| Толщина линий стали | 0.30-0.45 mm optional galvanized-steel downstream support grid |
| Плотность ядра | Approximately 25-40 kg/m³ nominal fiber-pad bulk density |
| Теплопроводимость | Approximately 0.035-0.045 W/(m·K) for the dry fiber pad |
| Поверхностная отделка | Natural white or tinted adhesive-treated fiber media in a moisture-resistant kraft frame |
| Объединенный тип | Flat media pad continuously bonded into a one-piece interlocking panel frame |
| Customization | Доступно в зависимости от предполагаемого применения и операционной среды. |
Доступные варианты
Glass-fiber or polyester media25 mm or 50 mm depthMoisture-resistant board or metal frameDownstream wire support grid
Planning a Flat Panel Pre-Filter specification?
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