CE Standard Clean Room HEPA FFU Fan Filter Unit

FFU fan filter unit is a terminal air supply device with its own power and filtering function. It is a very popular clean room equipment in current clean room industry.

 The following is the details of the components of the FFU fan filter unit.

1. Outer shell: The main materials of the outer shell include stainless steel, aluminum-zinc plate, etc. Different usage environments have different options. It has two shapes, one has a sloped upper part, and the slope mainly plays a diversion role, which is conducive to the flow and uniform distribution of the intake airflow; the other is a rectangular parallelepiped, which is beautiful and can allow air to enter the shell. The maximum space is positive pressure to the filter surface.

2. Metal protective net

Most metal protective nets are anti-static and mainly protect the safety of maintenance personnel.

Pre-filter

The pre-filter is mainly used to prevent damage to the hepa filter caused by debris caused by construction, maintenance or other external circumstances.

4. Motor

The motors used in FFU fan filter units including AC motor and EC motor, and they have their own strengths. AC motors are small in size, low in investment, require corresponding technology for control, and have low energy consumption. EC motors are large in size, high in investment, easy to control, and consume high energy.

5. Impeller

There are two types of impellers, forward tilt and backward tilt. The forward tilt is beneficial to increase the sagittal flow of the airflow organization and enhance the ability to remove dust. Rear tilt helps reduce energy consumption and noise.

6. Air flow balancing device

With the wide application of FFU fan filter units in various fields, most manufacturers choose to install air flow balancing devices to adjust the outlet air flow of FFU and improve the air flow distribution in clean room. At present, it is divided into three types: one is an orifice plate, which mainly adjusts the airflow at the FFU port through the density distribution of the holes on the plate. One is the grid, which mainly adjusts the airflow of the FFU through the density of the grid.

7. Air duct connecting parts:

In situations where the cleanliness level is low, there is no static plenum box on the upper part of the ceiling, and the FFU with air duct connecting parts makes the connection between air duct and FFU very convenient.

8. Mini pleat hepa filter

Hepa filters are mainly used to capture 0.1-0.3um particle dust and various suspended solids. Filtration efficiency 99.95%, 99.995%, 99.9997%, 99.99995%, 99.99999%.

9. Control unit

The control of FFU can be roughly divided into multi-speed control and stepless control. At the same time, functions such as single unit control, multiple unit control, partition control, fault alarm, and historical recording are realized.

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