Basic performance requirements for clean transfer window 1. Cleanliness requirements in laminar flow transfer window: Class B; 2. Inner and outer double-layer shell, internal arc treatment to ensure seamless connection; 3. The negative pressure laminar flow design is adopted, the air flow direction adopts the up supply and down return mode, the side return air adopts the punching design of 304 stainless steel cold rolled plate, and siffeners are set; 4. Filter: G4 is used as the primary effect filter and h14 is used as the high eficiency filter, with an eficiency of 9.999; 5. After the wind speed passes through the high efficiency filter, the outlet wind speed shall be controlled at 0.3-0.4m/s (tested at 150mm below the high efficiency outlet air equalizing plate). 6. Differential pressure function: display the accuracy of filter differential pressure (range 0-50opa)土5pa; 7. Control function: fan start and stop button, equipped with built-in electronic door interlock; Set ultraviolet lamp and design separate switch; 8. The high fficiency filter can be disassembled and installed separately from the upper box, which is convenient for maintenance and replacement of the filter; 9. An access hole is set at the upper part of the transfer window for fan maintenance; 10. Noise: noise < 65 dB during normal operation of transfer window; 11. High efficiency air outlet equalizing plate: 304 stainless steel mesh plate is adopted.
