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AHU مرشح استبدال
A rigid-header six-pocket air filter for replacing an established particulate stage in cleanroom and process air-handling units without changing the filter housing.
- Six Tapered Filter Pockets
- Rigid Galvanized Header
- Extended Media Area
- Matched Gasket Options
مقدمة المنتج
The AHU replacement filter is an extended-surface pocket filter installed in a front- or side-access filter bank. Six tapered glass-fiber bags increase usable media area behind a standard square header while internal seams keep the pockets separated as airflow develops. A folded galvanized-steel frame holds the pocket mouths square, and a continuous perimeter gasket can seal the header against the retaining frame. Replacement selection must reproduce the existing face dimensions, pocket depth, filter stage, airflow direction and gasket location so the new filter seats correctly without bypass or interference inside the air-handling unit.
الخصائص الرئيسية
The folded galvanized-steel header resists handling distortion during removal, transport and clamping in the filter bank.
Separated pocket seams reduce crowding between adjacent bags and preserve open media area under operating airflow.
Optional flat perimeter gaskets support a continuous compression seal on the specified upstream or downstream header face.
مخاوف المنتج للعملاء
A pocket filter can fit the opening yet still perform poorly when its depth, pocket layout or sealing arrangement differs from the original module.
An incorrect face size or header depth prevents the replacement from seating beneath the existing clamps.Module width, height, header depth and retaining-frame clearance are matched to the removed filter before manufacture.
Bags that are too long can contact coils, dampers or the next filter stage inside a shallow AHU section.Pocket depth and installed airflow direction are selected to preserve the measured downstream service clearance.
A missing or misplaced gasket allows unfiltered air to bypass the media around the header.Gasket material, face location and continuity are configured for the actual sealing surface in the filter bank.
Poor pocket separation causes adjacent bags to crowd together and reduces effective media exposure.Tapered pocket geometry and continuous internal separators hold six flow paths open across the module.
تطبيقات نموذجية
Cleanroom make-up and recirculation AHUsProcess ventilation filter banksHEPA prefiltration stagesCommercial and industrial HVAC maintenance
المعلمات الفنية
The ranges below describe common rigid-header pocket filters used as replaceable AHU stages; final dimensions and media selection are matched to the installed filter bank.
| المواد الأساسية | Air-laid glass-fiber pocket media with galvanized-steel header and optional elastomer perimeter gasket |
|---|---|
| سمك اللوحة | 20-25 mm nominal folded header depth |
| العرض الفعال | 287-592 mm nominal filter module width |
| الحد الأقصى الطول | Up to 640 mm pocket depth |
| الصلب يواجه سمك | 0.5-0.8 mm nominal galvanized-steel header sheet |
| الكثافة الأساسية | 16-40 kg/m³ for representative low-density bonded glass-fiber media |
| الموصلية الحرارية | 0.032-0.046 W/(m·K) for representative low-density glass-fiber media |
| إنهاء السطح | Natural galvanized-silver header, clean white glass-fiber pockets and optional black flat gasket |
| نوع المشترك | Sealed six-pocket assembly retained in a folded double-U header with compression-gasket seating |
| التخصيص | متوفر على أساس التطبيق المقصود وبيئة التشغيل. |
الخيارات المتاحة
Matched full-size or half-size module370-640 mm pocket depthAlternative pocket count and media gradeUpstream, downstream or circumferential gasket
Planning a AHU Replacement Filter specification?
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