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FFU ختم هلام
A refillable fluid-gel trough that forms a conformable low-bypass seal around an FFU HEPA filter knife-edge interface.
- Continuous Fluid-Gel Barrier
- Knife-Edge Interface
- Refillable Aluminum Trough
- Conformable Low-Bypass Seal
مقدمة المنتج
The FFU gel seal uses a continuous channel of stable silicone gel to receive the projecting knife edge of a mating HEPA filter or housing. As the knife edge enters the gel, the fluid conforms around minor dimensional variation without the compression load required by a foam gasket. An aluminum trough retains the gel around the full perimeter, with sealed corners and an optional fill port for controlled service. Trough dimensions, gel depth, viscosity and knife-edge immersion must match the installed filter system.
الخصائص الرئيسية
A rigid aluminum trough controls gel depth and prevents migration from the sealing path.
Mitered or welded corner construction maintains channel continuity at perimeter turns.
A capped fill port supports controlled topping-up or replacement of compatible gel.
مخاوف المنتج للعملاء
A fluid seal only performs reliably when the trough remains continuous and the mating knife edge reaches the correct gel depth.
Insufficient gel depth leaves sections of the knife edge unsealed.Trough volume and fill level are matched to the knife-edge height and intended immersion.
Corner discontinuities become bypass paths around an otherwise sealed perimeter.Sealed corner joints maintain one uninterrupted gel channel around the frame.
Incompatible gel hardens, flows or contaminates the mating surface.Gel chemistry and consistency are selected for the operating temperature and filter interface materials.
Overfilling causes gel displacement during filter installation.A defined trough profile and controlled refill quantity keep the gel below its retention lips.
تطبيقات نموذجية
Gel-seal FFU HEPA interfacesCleanroom terminal filter housingsPharmaceutical ceiling filter modulesLow-bypass filter replacement systems
المعلمات الفنية
Typical construction ranges for FFU fluid-gel seal troughs are shown below.
| المواد الأساسية | Non-curing silicone sealing gel retained in an aluminum perimeter trough |
|---|---|
| سمك اللوحة | 15-40 mm nominal trough depth |
| العرض الفعال | 300-610 mm nominal frame width |
| الحد الأقصى الطول | Up to 1220 mm nominal frame length |
| الصلب يواجه سمك | 0.8-1.5 mm optional stainless-steel cover or retaining component |
| الكثافة الأساسية | Approximately 950-1050 kg/m³ for the silicone gel |
| الموصلية الحرارية | Approximately 0.15-0.25 W/(m·K) for silicone sealing gel |
| إنهاء السطح | Natural silver aluminum trough with translucent blue or clear silicone gel |
| نوع المشترك | Continuous U-channel trough with sealed mitered corners and optional capped fill port |
| التخصيص | متوفر على أساس التطبيق المقصود وبيئة التشغيل. |
الخيارات المتاحة
Blue or clear compatible gelCustom trough dimensionsCapped fill and drain portsMatched knife-edge immersion depth
Planning a FFU Gel Seal specification?
أرسل لنا الأبعاد الخاصة بك، شروط التثبيت، أهداف الأداء والتشطيب السطحي المطلوب.
