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معدات تهوية وتكييف ومعالجة الهواء في الغرف النظيفة
الطرد المركزي غرف الأبحاث العادم الهواء مروحة وحدة
A sealed inline cabinet fan that uses a backward-curved centrifugal wheel to maintain exhaust flow and negative pressure for controlled cleanroom processes.
- Stable Negative-Pressure Exhaust
- Sealed Service Cabinet
- Backward-Curved Centrifugal Wheel
- Isolated Inline Installation
مقدمة المنتج
The cleanroom exhaust-air fan unit encloses a centrifugal wheel, motor, isolation base and pressure connections in a gasketed steel cabinet. Its backward-curved impeller develops the static pressure needed for terminal filters, control dampers and long duct routes while keeping the motor accessible from the side. A direct-drive EC or belt-drive arrangement can be selected to match airflow range, service policy and discharge temperature.
الخصائص الرئيسية
Gasketed access panels limit uncontrolled air leakage that would otherwise reduce extraction at the room terminal.
An isolated motor and wheel assembly prevents rotating vibration from entering the exhaust duct and building structure.
Pressure taps and speed control allow the fan to maintain duct suction as filters or dampers change resistance.
مخاوف المنتج للعملاء
Containment exhaust must maintain reliable suction through changing filter resistance without leaking contaminated air into the technical space.
Exhaust flow falls as a terminal filter loads, weakening the room pressure cascade.A duct-pressure controller increases fan speed within the available motor and wheel operating envelope.
A poorly sealed cabinet draws plantroom air into the duct and masks low capture at the room inlet.Continuous panel gaskets and sealed cable penetrations keep measured fan flow representative of actual room extraction.
Deposits on the wheel cannot be inspected without removing connected ductwork.A full-height side door exposes the wheel, inlet cone and motor while the inlet and discharge collars remain connected.
Fan vibration creates nuisance noise and can loosen nearby duct joints.Internal isolation mounts and external flexible connectors decouple the rotating assembly from the casing and duct.
تطبيقات نموذجية
Negative-pressure pharmaceutical processing roomsLaboratory extract and containment branchesCleanroom equipment and enclosure exhaustMedical isolation support ventilationFiltered exhaust from powder-handling areas
المعلمات الفنية
Typical structural ranges for an insulated centrifugal cleanroom exhaust-air fan cabinet are listed below.
| المواد الأساسية | Backward-curved aluminum or coated-steel wheel in a mineral-wool-lined galvanized steel exhaust cabinet |
|---|---|
| سمك اللوحة | 25-50 mm insulated double-skin cabinet panel thickness |
| العرض الفعال | 500-1800 mm nominal exhaust-fan cabinet width |
| الحد الأقصى الطول | Up to 2400 mm overall cabinet length including inlet and discharge collars |
| الصلب يواجه سمك | 0.8-1.5 mm galvanized or coated steel casing sheet |
| الكثافة الأساسية | 40-80 kg/m³ typical mineral-wool acoustic and thermal lining density |
| الموصلية الحرارية | Approximately 0.035-0.045 W/(m·K) for mineral-wool cabinet lining |
| إنهاء السطح | White powder-coated exterior with blue gasketed service door and corrosion-resistant internal surfaces |
| نوع المشترك | Bolted sealed cabinet with flanged duct collars, flexible connectors and vibration-isolated fan base |
| التخصيص | متوفر على أساس التطبيق المقصود وبيئة التشغيل. |
الخيارات المتاحة
Direct-drive EC or belt-drive centrifugal fanCoated aluminum all-stainless or FRP-contact constructionConstant-suction control and remote run-fault contactsUpstream filter housing and duty-standby fan arrangement
Planning a Centrifugal Cleanroom Exhaust-Air Fan Unit specification?
أرسل لنا الأبعاد الخاصة بك، شروط التثبيت، أهداف الأداء والتشطيب السطحي المطلوب.
