Congratulations – you are building a cleanroom. It is important to choose the correct quantity and type of cleanroom doors so your cleanroom will function well.
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Cleanroom Gown Room Doors
These cleanroom gown room doors will be the most used doors in the cleanroom. They are typically kept as small as possible (3 ft wide) to limit the amount of contaminated air that can enter the cleanroom. Swing doors should have door closers to make sure the doors close when not in use. The cleanroom gown room doors can be interlocked to electronically make sure that only one door can be open at a time. For high traffic cleanrooms motorized sliding doors are often used to provide hands free operation. However, the high cost of motorized sliding doors ($20k-$30k each) limit their usage.
Figure 2. Gownroom cleanroom door
Cleanroom Equipment Transfer Doors
Cleanroom equipment transfer doors are typically large doors that open directly to outside to allow large equipment to be brought directly into cleanrooms from the outside. Options for modular cleanrooms include manual cleanroom double swing doors varying from standard 6’x7’ to custom 8’x8’. For larger equipment motorized roll up doors as large as 16’x16’ can be installed in cleanrooms albeit at high cost.
Figure 3. Large custom cleanroom double door
Figure 4. Cleanroom roll up door
Cleanroom Sliding Doors
Manual Sliding doors are sometimes used in cleanrooms due to space restrictions. By installing a sliding door, we avoid using up space for the door swing. Disadvantages of manual sliding doors is they leak significantly more air than cleanroom swing doors and they do not last as long. There also needs to be space for the door to slide into when in open position. Motorized sliding doors are more durable but are very expensive.
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1.A perfectly flat surface
Choose a door that is completely flat on both sides. If no dust gets into the edges, it is very easy to clean and maintain good hygiene. The best option is a door with smooth embedded Windows that are flush with the clean room walls.
2.Easy to integrate
Note the system dependency of the cleanroom doors. Many manufacturers sell only doors integrated into their systems. This makes it difficult to change the parameters within the facility without affecting the integrity of the clean room door. However, a system-independent door can be installed in any clean room regardless of the manufacturer.
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3.Thick door plank
Choose doors that are resistant to bending and vibration. Cleanroom door suppliers recommend a thickness of 60 mm to provide strength and reliability in most industrial environments. Aluminum is an especially durable material.
4.High air tightness
What level of appropriate air tightness should the door have? The 3.5 m3 / hm2 measured at 200 Pa pressure is a reliable and good value. Some doors can be fitted with double gasket technology and integrated flume gasket to further improve air tightness.
5.Resistant cleaning products
The clean room receives a rigorous daily cleaning of various intensifiers to ensure a high level of hygiene. As with any other clean room surface, a clean room door must be resistant to the regular use of any cleaning product, and any reaction between the door and the chemical needs to be avoided.
6. Safety glass
In a clean room, safety is Paramount. Therefore, every part of the product should be designed to meet the highest safety requirements.
7. Anti-static surface
The anti-static surface ensures that the door does not attract dust and micro contaminants. To keep the clean room as clean as possible, all surfaces, including the door of the clean room, shall be antistatic.
8. Advanced hardware
It's not just the surface of the door that needs special attention. Smaller components such as locks, door handles and hinges should also be of the best quality to ensure durability and ease of maintenance.
9. Locking options
If there is a risk of power being cut off, mechanical locks will work just as well as electronic systems. If access levels are hierarchical, then it may work best to consider using a card system - so that you can grant different permissions to employees. Just press the button, the automatic door will automatically close, very convenient. Electronic locking systems ensure maximum security through interlock control and locking.
10. Guarantee conditions and after-sales service
After determining the clean room door specifications, it is time to select a supplier. Whether it's small or large, take a look at the services available. If problems arise in the future, ensure that all necessary accessories and parts can be ordered and delivered. This would avoid having to replace doors at a much higher cost. Also check the estimated lead time from the order to delivery. When there is a problem with the clean room, every minute counts.
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