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مرشحات الهواء والترشيح الكيميائي
Gel-ختم مرشح ULPA
A U-class mini-pleat panel with a continuous polyurethane or silicone gel channel that forms a compliant seal around a cleanroom terminal knife edge.
- Continuous Fluid-Gel Seal
- Knife-Edge Housing Interface
- U15 Media Option
- Cleanroom Terminal Format
مقدمة المنتج
The gel-seal ULPA filter combines a high-efficiency mini-pleat microglass pack with a continuous fluid-gel trough in the aluminium frame. When the terminal housing's knife edge enters the gel, the compliant material surrounds small surface variations and forms a reusable sealing path without high gasket compression. The media pack is separately bonded into the frame with polyurethane, and protective grids shield both filter faces. This arrangement is widely used in cleanroom ceilings and fan filter units where a consistent perimeter seal must be achieved during repeated filter changes.
الخصائص الرئيسية
The perimeter seal requires less compression force than a conventional dry gasket on a large panel.
Separate media-pack potting isolates the filtration seal from the serviceable gel channel.
Rounded aluminium corners and uninterrupted gel continuity reduce vulnerable transitions at frame joints.
مخاوف المنتج للعملاء
A very high-efficiency terminal filter can still fail its purpose if the large perimeter seal is uneven or difficult to reproduce after replacement.
A dry gasket needs excessive clamping pressure to seal a large ceiling panel.The knife edge displaces compliant gel and forms a continuous seal with low closure force.
Small housing flange irregularities create isolated bypass paths.Fluid gel flows locally around the knife edge and fills minor surface variations.
Gel migration contaminates the visible filter face.A correctly sized enclosed trough retains the selected polyurethane or silicone gel within the frame perimeter.
The seal is broken when the panel is removed for service.The gel can close around the knife-edge withdrawal path when handled within its service limits.
تطبيقات نموذجية
أشباه الموصلات غرف الأبحاث السقوفPharmaceutical unidirectional-flow zonesFan filter units with knife-edge housingsSterile compounding areasUltra-clean process-tool enclosures
المعلمات الفنية
Typical construction ranges for a knife-edge gel-seal ULPA panel are listed below.
| المواد الأساسية | Ultra-fine glass-microfibre ULPA media with thermoplastic mini-pleat separators |
|---|---|
| سمك اللوحة | 80–150 mm overall frame depth including gel channel |
| العرض الفعال | 305-610 مم عرض الوجه الاسمي |
| الحد الأقصى الطول | ما يصل إلى 1220 مم طول الوجه الاسمي |
| الصلب يواجه سمك | 0.4–0.6 mm coated-steel or stainless-steel protective faceguard |
| الكثافة الأساسية | Approximately 35–55 kg/m³ equivalent ULPA media-pack density |
| الموصلية الحرارية | Approximately 0.035–0.045 W/(m·K) for the dry microglass pack |
| إنهاء السطح | Natural anodized aluminium with clean white or stainless protective grids |
| نوع المشترك | Continuous polyurethane or silicone gel channel for a mating terminal knife edge |
| التخصيص | متوفر على أساس التطبيق المقصود وبيئة التشغيل. |
الخيارات المتاحة
U15 or U16 filtration classPolyurethane or silicone gelUpstream or downstream gel-trough orientationSingle-face or dual-face protective grid
Planning a Gel-Seal ULPA Filter specification?
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