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FFU dan Peralatan Pemurnian Udara Terminal
Unit Filter Fan Low-Noise
A quiet EC-powered FFU that combines motor isolation, a rounded inlet and an acoustic-lined plenum to reduce tonal noise above occupied cleanroom work areas.
- Acoustic-Lined Pressure Plenum
- Elastomeric Motor Isolation
- Low-Turbulence Inlet Bell
- Quiet Variable-Speed EC Drive
Perkenalan produk
The low-noise fan filter unit controls airborne and structure-borne sound at their main sources. A backward-curved EC fan sits on elastomeric isolators, while a smooth inlet bell reduces separation noise entering the wheel. Selected interior surfaces carry cleanable encapsulated acoustic lining, and the outlet baffle moderates local velocity peaks before the final filter. The result is intended for continuously occupied rooms where speech, concentration and operator comfort matter alongside particulate control.
Fitur utama:
A radiused intake bell lowers inlet turbulence and the broadband noise associated with a sharp-edged opening.
Encapsulated acoustic lining absorbs internal fan noise without exposing loose fibers to the clean-air path.
Continuous EC speed control allows the unit to operate at the lowest practical rotational speed for the required airflow.
Kekhawatiran produk pelanggan
A quiet FFU must reduce fan and vibration noise without placing porous or shedding materials in the downstream clean-air path.
A tonal motor sound becomes tiring when operators work directly below FFUs for a full shift.The EC motor, rounded inlet and optimized backward-curved wheel reduce the dominant rotating and inlet tones.
Fan vibration travels through a rigid casing and turns the suspended ceiling into a sounding board.Elastomeric mounts interrupt the structural transmission path between the fan and the module frame.
Unprotected fibrous acoustic foam could shed particles into the clean airflow.The selected sound-absorbing liner is sealed behind a cleanable perforated facing on the upstream plenum surfaces.
A unit selected at maximum speed remains unnecessarily loud after room balancing.Variable EC control lets each module run only fast enough to meet the measured airflow setpoint.
Aplikasi yang Tipis
Pharmaceutical inspection roomsClean laboratories with seated operatorsMedical-device assembly areasHospital pharmacy cleanroomsMetrology and optical inspection spaces
Parameter teknis
Typical materials and dimensional ranges for an acoustically treated low-noise fan filter unit are shown below.
| Bahan inti | Powder-coated steel plenum, isolated EC centrifugal fan, encapsulated acoustic liner and HEPA or ULPA filter pack |
|---|---|
| Ketebalan Panel (Panel Thickness) | 300-420 mm overall module depth |
| Efektif lebar | 575-1170 mm nominal ceiling-grid width |
| Panjang maksimum | Up to 1170 mm standard module length |
| Baja menghadap ketebalan | 0.8-1.2 mm formed steel housing and perforated acoustic-liner facing |
| Kepadatan inti (core density) | Approximately 24-40 kg/m³ nominal density of the encapsulated acoustic liner |
| Konduktivitas Termal (Thermal Conductivity) | Approximately 0.032-0.040 W/(m·K) for the dry acoustic-liner material |
| Permukaan selesai | White low-gloss powder coating with sealed dark acoustic lining confined to the upstream plenum |
| Jenis Bersama | Vibration-isolated drop-in flange with closed-cell ceiling gasket and compression-sealed filter frame |
| Customization (Kustomisasi) | Tersedia berdasarkan aplikasi yang dimaksudkan dan lingkungan operasi. |
Pilihan yang tersedia
Acoustic-lined or standard plenumLow-sound EC motor selectionRemote speed controller or network interfaceLow-resistance final filter sized for reduced fan speed
Planning a Low-Noise Fan Filter Unit specification?
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