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Filtros de ar e filtragem química
Pré - filtro de painel plano
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
Introdução do produto
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.
Características-chave
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.
Preocupações do produto do cliente
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.
Aplicações típicas
Fresh-air intake pre-filtrationAir-handling unit coil protectionFan-coil return-air sectionsPrefilters ahead of bag or compact filtersLight industrial ventilation systems
Parâmetros técnicos
Typical construction ranges for a disposable flat panel pre-filter are listed below.
| Material principal | Progressive-density glass fiber or bonded polyester coarse-filter pad |
|---|---|
| Painel de espessura | 25 or 50 mm nominal filter depth |
| Largura efetiva | 290-610 mm standard face width |
| Comprimento máximo | Up to 610 mm standard face length; larger custom panels may use intermediate support |
| Aço enfrentando espessura | 0.30-0.45 mm optional galvanized-steel downstream support grid |
| Densidade Core | Approximately 25-40 kg/m³ nominal fiber-pad bulk density |
| Condutividade térmica | Approximately 0.035-0.045 W/(m·K) for the dry fiber pad |
| Superfície acabado | Natural white or tinted adhesive-treated fiber media in a moisture-resistant kraft frame |
| Tipo conjunto | Flat media pad continuously bonded into a one-piece interlocking panel frame |
| Customização | Disponível com base na aplicação pretendida e no ambiente operacional. |
Opções disponíveis
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?
Envie-nos as suas dimensões, condições de instalação, metas de desempenho e acabamento de superfície necessário.
