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Thiết bị lọc không khí FFU và thiết bị đầu cuối
Bộ lọc quạt áp suất cao tĩnh
A deep-plenum FFU for cleanroom duties with added air-path resistance, combining a backward-curved EC fan, reinforced casing and pressure-test access.
- Deep Reinforced Pressure Plenum
- Backward-Curved EC Impeller
- Accessible Pressure-Test Port
- Variable-Speed Fan Adjustment
Giới thiệu Sản phẩm
The high-static-pressure fan filter unit combines a backward-curved EC impeller, deep inlet arrangement and reinforced plenum. Formed ribs and corner reinforcement support the casing, while a capped test connection provides access for pressure measurements. The unit is intended for cleanroom selections in which inlet losses or final-filter resistance are important parts of the airflow duty. Pressure capability is evaluated at the required flow, not from the motor size or housing depth alone.
Các tính năng chính
Formed ribs and reinforced corners limit casing deflection when the plenum operates at elevated static pressure.
A capped pressure port provides a repeatable connection point for commissioning and maintenance measurements.
Variable EC fan speed provides an adjustment range for balancing the selected fan and filter combination.
Các giải pháp cho ứng dụng của bạn
A high-resistance duty needs an airflow-and-pressure selection for the complete installation rather than a maximum-pressure figure in isolation.
An added duct collar changes the inlet condition assumed for an open-plenum selection.Include the actual duct and fitting losses when selecting the operating point.
Available airflow can fall as final-filter resistance increases.Check the loaded-filter duty against the fan curve and permitted operating range, rather than assuming the controller can always restore flow.
Higher internal pressure places additional demand on casing joints and filter seals.Pair the reinforced housing with the specified filter interface and inspect the assembled seals during commissioning.
A pressure reading alone cannot identify every cause of low airflow.Record inlet pressure, filter differential pressure and delivered airflow together to separate air-supply, filter and fan-setting issues.
Các ứng dụng điển hình
Duct-connected cleanroom ceiling systemsTerminal ULPA filtrationRecirculation systems with added inlet resistanceHigh-resistance clean-air modulesProcess areas with variable air-path resistance
Thông số kỹ thuật
Common reference configuration choices for a pressure-duty ceiling FFU.
| Module-Format Option | Common nominal format: 2 x 4 ft |
|---|---|
| Fan and Drive | Backward-curved centrifugal impeller with variable-speed EC drive |
| Pressure-Plenum Construction | Deep reinforced casing around the fan and final-filter support |
| Vận tốc mặt tham chiếu | Typical selection target: 0.45 m/s through the final-filter face |
| Air-Inlet Options | Open-plenum inlet or duct-collar connection |
| Pressure-Test Connection | Capped static-pressure tapping on the fan plenum |
| Electrical Option | Common supply option: 230 V AC |
| Control-Interface Options | Local speed setting, 0-10 V analogue reference or compatible network controller |
| Final-Filter Configuration | HEPA or ULPA panel selected with the fan duty |
| Perimeter-Seal Options | Dry-gasket compression or matched gel-seal construction |
| Tùy chỉnh | Có sẵn dựa trên ứng dụng dự định và môi trường hoạt động. |
Các tùy chọn có sẵn
Duct collar or open top intakeHigh-pressure EC motor and impeller selectionFilter differential-pressure portDeep-pack HEPA or ULPA filter with gel interface
Pressure-Duty Selection and Installation
Define the full resistance path
For a quotation, state the required airflow and external losses at that airflow, including inlet ductwork, fittings and any prefilter. List the final-filter resistance separately so that internal filter pressure drop is not counted twice. The selected fan curve must cover both the clean-filter duty and the intended loaded-filter limit.
Match the inlet and control arrangement
Choose an open intake or a dimensioned duct collar, the final-filter grade, and the gasket or gel-seal construction. An EC motor does not by itself establish constant-airflow operation. Where an upstream air-control device is used, select compatible control behaviour rather than allowing two independent controllers to regulate the same airflow.
Install for measurement and service
Allow access to the test connection, motor controls and filter removal path. Use the specified ceiling support layout and electrical rating, and measure delivered airflow as well as pressure during balancing. Disconnect power before filter or fan maintenance.
A standard fan filter unit may suit a lower-resistance ceiling duty. If the main requirement is increased total volume across a broad outlet, compare the high-airflow fan filter unit.
Planning a High-Static-Pressure Fan Filter Unit specification?
Gửi cho chúng tôi kích thước của bạn, điều kiện lắp đặt, mục tiêu hiệu suất và bề mặt yêu cầu hoàn thiện.
