Special Design for 20 Inch Box Fan Hepa Filter - ISO 5 GMP Laminar Flow Dynamic Pass Box – Qianqin

Basic performance requirements

1. Cleanliness requirements in the laminar flow pass box: Class B;

2. The inner and outer double-layer shells are treated with arcs around the interior to ensure seamless connection;

3. The laminar flow design is adopted, the airflow direction adopts the upper and lower return mode, and the bottom adopts the punching design of 304 stainless steel cold-rolled plate, and sets up reinforcing ribs;

4. Filter: G4 is used for the primary filter, and H14 is used for the high-efficiency filter;

5. Wind speed: After passing through the high-efficiency filter, the outlet wind speed is controlled at 0.38-0.57m/s (tested at 150mm below the high-efficiency outlet air flow plate);

6. Differential pressure function: display the differential pressure of the filter (high-efficiency range 0-500Pa/medium-efficiency 0-250Pa), accuracy ±5Pa;

7. Control function: fan start/stop button, equipped with built-in electronic door interlock; set ultraviolet light, design a separate switch, when the two doors are closed, the ultraviolet light should be in the on state; set the lighting, design a separate switch ;

8. The high-efficiency filter can be disassembled and installed separately from the upper box, which is convenient for maintenance and filter replacement;

9. An inspection port is set at the lower part of the transfer window for the maintenance of the fan;

10. Noise: noise <65db during normal operation of the transmission window;

11. Efficient air distribution plate: 304 stainless steel mesh plate.

Product Parameters

Customers can choose our standard sizes or we can design it according to customers’ requirements because we have professional design team with over ten years.

Details show

Products plate workshop and filter workshop, our new factory has over 20000sqm, it improves Completely our productive ability and delivery time.

Qianqin Products Warranty:

Our equipment is warranty for 1 year excluding consumable parts and accessories.

All equipment is shipped with a comprehensive use’s manual complete with a report documenting all test procedures.

Additional IO/OQ/GMP document is available upon request.

Contact our sales representative for specific warranty details or document request.

Consumable parts illustration:

1: Pre-filter: each one should be replacement in each 6 month, but it can refresh no more three times.

2: HEPA air filter: each one should be replacement in each half and one years.

Standard export packing:

Stretch film strapped whole cabinet,

Foam inside protected,

Plywood case solid fixed

European standard bottom tray

We already exported this item to Middle,America, Europe and North America.