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Pass مربع الباب طوقا
A continuous rounded EPDM bulb gasket that restores controlled compression around a pass box door perimeter.
- Continuous Perimeter Seal
- Compressible Hollow Bulb
- Rounded Corner Geometry
- Cleanable EPDM Surface
مقدمة المنتج
The pass box door gasket forms the compressible perimeter interface between a transfer-chamber door and frame. Its hollow EPDM bulb deflects under latch pressure to accommodate small surface variation, while the carrier profile locates the seal along the mounting edge. Rounded corners reduce local stress and a single joined perimeter limits leakage paths. Replacement dimensions should match the existing groove or carrier, bulb height, compression allowance, corner radius and door closing force.
الخصائص الرئيسية
The continuous rectangular perimeter limits unnecessary joints in the sealing path.
Rounded corners avoid sharp folds that can restrict compression.
Dark EPDM provides a durable surface for routine cleanroom wipe-down.
مخاوف المنتج للعملاء
Seal performance depends on matching the profile and applying even compression around the complete door perimeter.
An undersized bulb leaves gaps where the door or frame is slightly uneven.Bulb height and compression range are selected to maintain contact around the full perimeter.
Excessive compression increases latch force and permanently deforms the seal.The installed gap is matched to the profile so the bulb works within its normal deflection range.
Poor corner forming causes kinks and localized leakage.Rounded corners preserve a consistent hollow section and smooth contact line.
An incompatible carrier profile will not remain seated during cleaning and door movement.The base geometry is matched to the existing groove, adhesive bed or mechanical retainer.
تطبيقات نموذجية
Static pass box doorsDynamic transfer chamber doorsMaterial hatch gasket replacementCleanroom cabinet perimeter sealing
المعلمات الفنية
Typical material and dimensional ranges for pass box EPDM bulb gaskets are shown below.
| المواد الأساسية | Closed-skin EPDM elastomer with hollow compressible bulb and integral carrier |
|---|---|
| سمك اللوحة | 2-6 mm nominal carrier-wall thickness |
| العرض الفعال | 10-35 mm nominal installed profile width |
| الحد الأقصى الطول | Up to 6000 mm continuous cut length before joining |
| الصلب يواجه سمك | 0.3-0.8 mm optional embedded steel carrier thickness |
| الكثافة الأساسية | 1050-1250 kg/m³ for solid EPDM profile sections |
| الموصلية الحرارية | 0.20-0.30 W/(m·K) for EPDM elastomer |
| إنهاء السطح | Smooth dark-charcoal non-marking extruded EPDM skin |
| نوع المشترك | Single joined rectangular loop with rounded corners and hollow bulb-on-carrier cross-section |
| التخصيص | متوفر على أساس التطبيق المقصود وبيئة التشغيل. |
الخيارات المتاحة
Alternative bulb diameterAdhesive-backed or push-fit carrierCustom corner radiusFactory-spliced perimeter loop
Planning a Pass Box Door Gasket specification?
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