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Focuses On Professional Cleanroom Project And Pharmaceutical Cleanroom Equipment.

FAQ Maintain a Constant Differential Pressure In The Clean Room


 

In practical engineering, there are many ways to control the pressure difference in the clean room:

 

Generally, there are many ways to adopt the constant air volume system, that is, first of all, to ensure that the clean room supply air volume is relatively constant, adjust the clean room return air volume or exhaust air volume, so as to control the clean room pressure difference air volume and maintain the clean room pressure difference; It is also possible to install manual split multi-leaf regulating valve or butterfly valve on the return (exhaust) air branch pipe of the clean room to regulate the return (exhaust) air volume and control the indoor pressure difference. Its advantages are simple and effective equipment.

 

The disadvantage of the method of adjusting the pressure difference in the clean room during the commissioning of the air conditioning system is that when the pressure difference in the clean room deviates from the set value during the operation of the air conditioning system, it is difficult to adjust. This method is used in combination with other methods, and is one of the common means to control the pressure difference of clean room in current engineering. The installation of damping layer (such as single-layer non-woven fabric, stainless steel filter screen, aluminum alloy filter screen, nylon filter screen, etc.) at the return (exhaust) outlet of the clean room can effectively ensure the positive pressure of the clean room, but the filter screen used as the damping layer should be replaced frequently to prevent the positive pressure in the clean room from being too high.

 

 

Suzhou Pharma Machinery Co.,Ltd.

2023/01/29

Birkey

 


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