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مرشحات الهواء والترشيح الكيميائي
Gel-ختم فلتر HEPA
A cleanroom HEPA panel with an integral non-hardening gel trough that receives the housing knife edge to form a continuous fluid seal.
- Integral Gel Channel
- Continuous Fluid Seal
- Room-Side Replacement
- Low-Outgassing Gel Option
مقدمة المنتج
The gel-seal HEPA filter adds a continuous perimeter channel to its extruded-aluminum frame and fills it with non-flowing polyurethane or silicone gel. During installation, the terminal housing's matching knife edge penetrates the gel and creates a fluid barrier around the complete filter perimeter. The mini-pleat microglass pack is separately potted inside the frame, so media sealing and housing sealing remain distinct. Because the gel can conform around minor mating-edge irregularities, this design is widely used in bottom-loading and room-side replaceable cleanroom terminals.
الخصائص الرئيسية
The mating housing knife edge displaces gel locally to create a resilient fluid barrier.
Separate polyurethane pack potting protects filtration integrity independently of the external seal.
The room-side replaceable geometry reduces access requirements above sealed cleanroom ceilings.
مخاوف المنتج للعملاء
A cleanroom terminal seal must remain continuous even when the ceiling frame has small dimensional tolerances or the filter is replaced repeatedly.
Small irregularities in a rigid mating surface create bypass around a dry seal.Non-hardening gel conforms around the inserted knife edge and closes localized gaps.
Overtightened clamps distort thin aluminum filter frames.The fluid interface reaches sealing contact with controlled engagement rather than extreme compression.
Repeated room-side replacement tears or permanently crushes conventional foam gaskets.A stable gel channel can re-form around the knife edge after careful filter removal and installation.
Aggressive cleaning chemistry affects an unsuitable seal compound.Polyurethane, silicone or low-outgassing gel is selected to match the terminal environment.
تطبيقات نموذجية
Pharmaceutical aseptic suitesBiotechnology cleanroomsHospital operating-room ceilingsRoom-side replaceable HEPA housingsLaminar-flow terminal modules
المعلمات الفنية
Typical construction ranges for a mini-pleat gel-seal HEPA filter are shown below.
| المواد الأساسية | Water-resistant borosilicate microglass HEPA media formed into hot-melt-spaced mini-pleats |
|---|---|
| سمك اللوحة | 90, 100 or 120 mm overall frame depth including gel channel |
| العرض الفعال | 305-610 mm terminal-module width |
| الحد الأقصى الطول | Up to 1220 mm panel length |
| الصلب يواجه سمك | 0.50-0.70 mm optional perforated stainless-steel downstream faceguard |
| الكثافة الأساسية | Approximately 90-150 kg/m³ nominal gel-frame HEPA pack density |
| الموصلية الحرارية | Approximately 0.031-0.038 W/(m·K) for dry borosilicate microglass media |
| إنهاء السطح | Anodized-aluminum frame with clean white media and clear or blue non-hardening gel |
| نوع المشترك | Integral perimeter gel channel engaged by the matching knife edge of the terminal housing |
| التخصيص | متوفر على أساس التطبيق المقصود وبيئة التشغيل. |
الخيارات المتاحة
H13, H14 or ULPA mediaPolyurethane, silicone or low-outgassing gelUpstream or downstream gel-channel orientationStandard or reverse-gel aluminum extrusion
Planning a Gel-Seal HEPA Filter specification?
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