How to choose a transfer window that suits you?

When choosing a transfer window that suits you, the following aspects need to be considered:
Cleanliness requirements
Cleanliness level of 10,000 grade and below: If the requirement for environmental cleanliness is not particularly high, ordinary transfer Windows can meet the needs. This type of transfer window has a relatively simple structure and is also quite affordable. It is usually equipped with ordinary filtering devices and ultraviolet disinfection lamps, which can effectively block dust and carry out initial sterilization and disinfection.
High cleanliness level of 1,000 grade and above: For places with high cleanliness requirements of 1,000 levels or more, such as aseptic production workshops in pharmaceutical factories and dust-free workshops in electronic chip manufacturing, it is necessary to choose to transfer Windows with high-efficiency filtration systems and stricter disinfection measures. For instance, if equipped with high-efficiency air filters (HEPA), they can filter out particles larger than 0.3 microns, with a filtration efficiency of over 99.97%. At the same time, it may also be necessary to have a wind shower function or a more powerful sterilization method, such as using hydrogen peroxide steam disinfection, etc.
Transfer the characteristics of items.
Size and weight: Select the specification of the transfer window based on the size and weight of the items frequently transferred. If the items being transferred are large or heavy, such as large-scale experimental equipment or entire boxes of raw materials, it is necessary to choose a transfer window with a spacious interior and strong load-bearing capacity to ensure that the items can be smoothly placed in and out without causing damage to the transfer window.
Material and shape: If the items being transferred are prone to corrosion or sensitive to chemicals, the inner wall material of the transfer window should be selected from corrosion-resistant and non-precipitating materials, such as high-quality stainless steel or specific plastic materials. For items with irregular shapes, it may be necessary to choose transfer Windows with adjustable internal structures or special designs to better adapt to the shapes of the items and improve space utilization.
Whether it is fragile or easily damaged: If the items being transferred are fragile, such as glassware, precision instruments, etc., the transfer window should have good buffering and protective measures, such as setting soft padding inside or using a smooth transfer mechanism to reduce the collision and vibration of the items during the transfer process.
Sterilization and disinfection methods
Ultraviolet disinfection: It is suitable for general sterilization needs and can effectively kill common bacteria and viruses. The price of ultraviolet disinfection transfer Windows is relatively low, and they are easy to operate. They are suitable for places where the control requirements for microorganisms on the surface of items are not extremely strict, such as ordinary laboratories and food processing workshops.
Ozone disinfection: It has strong oxidizing properties, a good sterilization effect, and can spread to every corner of the transfer window. It can also play a disinfection role in some areas that cannot be reached by ultraviolet rays. However, ozone has a certain pungent smell. After its use, ventilation treatment is required. It is suitable for some places that are not sensitive to odors, such as clean areas in industrial production.
Hydrogen peroxide steam disinfection: It has a strong bactericidal ability and can quickly and effectively kill various microorganisms, including bacterial spores and other microorganisms with strong resistance. It is often used in places with extremely high sterility requirements, such as aseptic filling workshops in pharmaceutical factories and biosafety laboratories, but the equipment cost and operating costs are relatively high.
Functional requirements
Ordinary transfer function: It only needs to achieve simple item transfer and basic disinfection functions, and is suitable for some places with low requirements for the transfer process, such as school laboratories, small food processing plants, etc.
Air shower function: When items entering the clean area need more thorough purification treatment, the air shower transfer window is a better choice. It removes dust and impurities on the surface of items through high-speed clean airflow and combined with sterilization and disinfection measures, it can effectively improve the cleanliness of items. It is often used in industries with strict cleanliness requirements such as electronics factories and pharmaceutical factories.
Interlocking function: To prevent the direct air circulation between the clean area and the non-clean area caused by the simultaneous opening of both sides of the door, which would affect the cleanliness, the interlocking function is an important feature of the transfer window. Whether it is mechanical interlocking or electronic interlocking, it can ensure that the other side door can only be opened after one side door is fully closed, guaranteeing the sealing and cleanliness requirements during the transfer process. It is suitable for all places that have cleanliness requirements.
Budget and cost
Equipment procurement cost: The prices of transfer Windows of different types and functions vary greatly. When the budget is limited, for places with low cleanliness requirements, ordinary ultraviolet disinfection transfer Windows can be given priority. If there are high requirements for cleanliness and functionality and the budget is sufficient, then air shower transfer Windows or transfer Windows with advanced disinfection functions can be chosen.
Operating and maintenance costs: including energy consumption, replacement of disinfection consumables, filter maintenance, and other expenses. For instance, the operation of the fan in the air shower transfer window consumes a considerable amount of electricity. The hydrogen peroxide steam disinfection transfer window needs to be regularly replenished with hydrogen peroxide solution, and the high-efficiency filter also needs to be replaced regularly. All these factors need to be taken into account within the operating cost. The appropriate transfer window should be comprehensively evaluated and selected based on the long-term usage cost to avoid increasing the burden due to excessively high operating costs in the later stage.