If you need an enclosed and controlled environment for clean zones, a clean room may be your good choice. A clean room is a local air purification equipment, which can provide an environment at a higher cleanliness class. It is good at dust control, sound control and safety. It can be built and install quickly.
As we know, the laminar flow cabinet is a device to keep the material in the cabinet away from all kinds of contamination, or keep the laboratory worker and laboratory environment away from the infectious or other hazardous materials. The air streams usually blow at the same speed and in the same direction. There are two kinds of the laminar flow cabinet, one is horizontal laminar flow cabinet and the other one is vertical laminar flow cabinet. For a horizontal flow hood, the air moves from the back of the unit through HEPA or ULPA filters to the front of the work surface, it is in a horizontal direction. And for a vertical laminar flow cabinet, the air moves from the top of the unit through filters down to the work surface, it is in a vertical direction. But how to choose a laminar flow cabinet? Which direction is better, the vertical one or the horizontal one? For the vertical laminar flow cabinet, it takes up less space than the horizontal one, and the filter can be fitted on the top of the cabinet which is very easy to install. In addition, the operator will not be blown by the air as the air direction. What is more, the cabinet will be cleaned thoroughly and it
If you are new to cleanroom equipment, you may be confused by cleanroom fan filter units and air handling units. Here in this article, we would like to talk about the details of cleanroom fan filter units and air handling units. Following is the details. For a cleanroom air handling unit, which is a part of a HVAC system, it plays an important role in temperature, humidity and pressurization in the controlled environment. A cleanroom air handling unit consist of primary filters, fan, cooling coils and a mixing chamber. The primary filters are installed in front of the HEPA filters to catch some larger particles and extend the working life of HEPA filters. And fan controls can be intergrated in to fan filter control system, it also can be placed in control panels. And for cleanroom fan filter units, which will be used much better in modular cleanroom than the air handling units. Fan filter units can be used in different sizes of spaces with different cleanliness rating. And the required number of fan filters is decided by the requirements on air change rates and cleanliness. For example, an ISO class 8 cleanroom ceiling just needs 5-15% of ceiling coverage,
When you are searching for issues about quality control, you may feel confused. Because sometimes you can see “quality assurance”. “quality control” and “quality assurance” sometimes are used in a mix. But actually, they are different and they shouldn’t be used with the same meaning. What is Quality Assurance (QA)? Quality assurance is to plan production activities & requirements and ensure these requirements will be fulfilled in the whole developing and manufacturing process. Take a new high-end watch production for example. QA has to do watch research, evaluate watch design, analyze watch sales and business, contact client’s specific requirements, etc. During these processes, QA can foresee the potential problems which haven’t yet happened to the watches. Then QA will pre-define the production processes and standards to prevent these problems. What is Quality Control (QC)? Quality control is a practical activity to inspect and test the products and the production process to ensure the finished products meet quality standards. Still take the new high-end watch production for example. QC inspect watches have been produced. QC finds and rejects defective products, like watches with scratches or painted the wrong color. These defective watches will be asked to rework to ensure the goods
When you are searching for issues about quality control, you may feel confused. Because sometimes you can see “quality assurance”. “quality control” and “quality assurance” sometimes are used in a mix. But actually, they are different and they shouldn’t be used with the same meaning. What is Quality Assurance (QA)? Quality assurance is to plan production activities & requirements and ensure these requirements will be fulfilled in the whole developing and manufacturing process. Take a new high-end watch production for example. QA has to do watch research, evaluate watch design, analyze watch sales and business, contact client’s specific requirements, etc. During these processes, QA can foresee the potential problems which haven’t yet happened to the watches. Then QA will pre-define the production processes and standards to prevent these problems. What is Quality Control (QC)? Quality control is a practical activity to inspect and test the products and the production process to ensure the finished products meet quality standards. Still take the new high-end watch production for example. QC inspect watches have been produced. QC finds and rejects defective products, like watches with scratches or painted the wrong color. These defective watches will be asked to rework to ensure the goods
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