|
High efficiency air filter is generally used as the filter end, so the requirements for high efficiency filters are also the most stringent. High efficiency filters are the most critical level of filter at all levels and require additional "viewing". The most fundamental way to extend the life of an efficient filter is to keep the dust in the prefilter. The replacement of pre-filtration usually does not need to be discontinued, without debugging, so experienced owners will put their attention and money on the prefilters. For the 10,000 and 100,000 clean plants. Prefiltration can be used with F8 filter, which can last up to five years. F8 filters are the most common prefilters in foreign projects and domestic new projects. For chip plant 100, level 10 or higher, the common efficiency level of prefilters is H10, and many new items are selected for HEPA. In the design of clean room air conditioning system in the past, the filter is commonly configured as: effective and efficient. At that time, the life of high efficiency filters was only 1--3 years, and the worst was months. Therefore, the efficiency of the prefilter determines the life span of the end-filter
This year, Oscar-winning actor Colin Firth was rewarded a CBE (Commander from the Order from the British Empire), giving him a golden possibility to personally ask the Queen by what she considered his performance as her father King George VI in 'The King's Speech'. Just months after Firth, 50, took home the Academy Award, he enjoyed the regal pomp and pageantry of Buckingham Palace legitimate.
New Car Buying Tips--
2010 mercedes sprinter 3500
2014 mercedes c63 amg
mercedes c class repair costs
mercedes program
mercedes c 400
Copyright ?1998-2017 Technews Corp, All rights reserved
|
