Three-quarter view of a flat panel pre-filter for HVAC intake-air filtration

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フラットパネルプレフィルター

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

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商品紹介

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.

主要な特徴

A progressive fiber gradient distributes dust through the media depth instead of forming an immediate surface cake.

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.

お客様の製品に関する懸念事項

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.

典型的な用途

Fresh-air intake pre-filtrationAir-handling unit coil protectionFan-coil return-air sectionsPrefilters ahead of bag or compact filtersLight industrial ventilation systems

技術的なパラメータ

Typical construction ranges for a disposable flat panel pre-filter are listed below.

コア材料	Progressive-density glass fiber or bonded polyester coarse-filter pad
パネルの厚さ	25 or 50 mm nominal filter depth
有効幅	290-610 mm standard face width
最大長さ	Up to 610 mm standard face length; larger custom panels may use intermediate support
鋼鉄の厚さを直面する	0.30-0.45 mm optional galvanized-steel downstream support grid
コア密度	Approximately 25-40 kg/m³ nominal fiber-pad bulk density
熱伝導率	Approximately 0.035-0.045 W/(m·K) for the dry fiber pad
表面仕上げ	Natural white or tinted adhesive-treated fiber media in a moisture-resistant kraft frame
ジョイントタイプ	Flat media pad continuously bonded into a one-piece interlocking panel frame
カスタマイズ	意図したアプリケーションと動作環境に基づいて利用できます。

利用可能なオプション

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?

寸法、設置条件、性能目標、必要な表面仕上げをお送りください。

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