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FFU ومعدات تنقية الهواء الطرفية
EC مروحة وحدة تصفية
An electronically commutated FFU that combines efficient variable-speed airflow, digital monitoring capability and a low-profile backward-curved impeller.
- Brushless EC Motor
- Continuous Airflow Adjustment
- 0–10 V or Network Control
- Low Electrical Heat Gain
مقدمة المنتج
The EC fan filter unit uses an electronically commutated brushless motor integrated with a backward-curved impeller. The motor electronics regulate speed efficiently across a broad operating range and can accept local, 0–10 V or network commands. An aluminium plenum reduces installed weight, while the sealed final-filter interface and uniform diffuser maintain the clean-air path. The architecture suits dense FFU ceilings where individual monitoring, coordinated airflow changes and reduced electrical heat are important.
الخصائص الرئيسية
A backward-curved impeller maintains useful efficiency as filter resistance increases through its service interval.
Low-voltage control ports support individual setpoints or coordinated adjustment from a cleanroom control panel.
A compact top controller exposes operating status without opening the filter compartment.
مخاوف المنتج للعملاء
Large FFU arrays need efficient part-load operation and repeatable control without adding excessive cabling or heat above the ceiling.
Hundreds of independently adjusted units drift to different airflow rates after filter loading.Addressable EC controllers allow setpoints and operating feedback to be managed by zone rather than only at each ceiling bay.
Reducing airflow with an induction-motor voltage controller wastes power and can increase motor temperature.Integrated electronic commutation regulates motor torque efficiently across the usable speed range.
A dense ceiling produces substantial sensible heat that must be removed by the cooling system.The efficient motor and backward-curved wheel reduce electrical input and associated heat rejection at the same operating point.
Technicians cannot identify a stalled unit until local cleanliness or pressure has already changed.Optional network status and alarm contacts expose motor operation to the supervisory control system.
تطبيقات نموذجية
Large unidirectional-flow cleanroom ceilingsSemiconductor and microelectronics productionBiotechnology processing areasFacilities with centralized airflow monitoringEnergy-sensitive recirculating cleanrooms
المعلمات الفنية
Typical construction ranges for a network-capable EC fan filter unit are provided below.
| المواد الأساسية | Anodized-aluminium plenum, backward-curved EC impeller and micro-glass HEPA or ULPA mini-pleat filter |
|---|---|
| سمك اللوحة | 230-440 mm overall module depth |
| العرض الفعال | 532-1132 mm manufactured module width |
| الحد الأقصى الطول | Up to 1132 mm standard module length |
| الصلب يواجه سمك | 0.8-1.0 mm optional powder-coated or stainless-steel access skin |
| الكثافة الأساسية | Approximately 90-120 kg/m³ nominal compacted density of the HEPA or ULPA micro-glass pack |
| الموصلية الحرارية | Approximately 0.035-0.043 W/(m·K) for the dry HEPA or ULPA pack fitted to the EC-driven FFU |
| إنهاء السطح | Natural anodized aluminium with a powder-coated diffuser and colored closed-cell perimeter gasket |
| نوع المشترك | Gasketed drop-in ceiling flange with gel-seal or compression-gasket final-filter interface |
| التخصيص | متوفر على أساس التطبيق المقصود وبيئة التشغيل. |
الخيارات المتاحة
200-240 V or multi-voltage EC motor0–10 V, Modbus or local handheld controlH14, U15 or U16 final filterTop-side or room-side replaceable fan and filter
Planning a EC Fan Filter Unit specification?
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