[] _ The latest Weifang Weifang clean room clean room _ provided by Weifang Weifang Dongye Dongye Steel Steel. Weifang Dongye Steel Structure Engineering Co., Ltd. (www.sdjinquan.com) had been "Business League certification", please rest assured purchase through the entire network, click on the page check "Business League certification icon," the company authentication information. You can also click on the "Business League Service Icons" on this page directly contact our customer service! For most of the clean room clean room construction Weifang, in order to prevent outside contamination intrusion, you need to keep the pressure inside the pressure (static pressure) is higher than the external (hydrostatic). Maintaining the pressure differential should meet the following general principles: 1. Clean space pressure is higher than the pressure of non-clean space. 2 high pressure cleanliness level is higher than the adjacent space cleanliness level low pressure space. Pressure differential is maintained rely on fresh air, fresh air to be able to compensate for the pressure difference in the leakage out of the air flow from the gap. The physical meaning of the pressure difference so that leakage (or permeate) through the air flow resistance of the clean room for all the time slot. Vertical Laminar Flow: Room ceiling completely covered with ULPA filters, air blown from the top down, you can get the latest Weifang higher clean room cleanliness, dust in the manufacturing process or generated by the staff quickly exhausted to the outside without affect the other work areas. Advantages: easy to manage Weifang clean room, to reach steady state operation began a short time, the impact is not easy job status or operating personnel. Disadvantages: higher cost structure, flexibility in the use of space problems, rather ceiling hanger space, maintenance and replacement filters more trouble.