Valve opening and closing too quickly will cause near instantaneous fluid pressure fluctuations (water hammer), the peak is usually able to reach pipes more than six times the normal pressure, but also because the system water hammer wave reflection serious concussion;
2013年12月3日星期二
Stainless steel needle binding file for some exploring ways
Stainless steel needle binding file for some way to explore is to do a presentation, for reference. File binding job requirements. (1) integrity. Whether it is based on the volume or stapling finisher, make sure the file is complete full page binding. Security (2) file entity. Try not to ask the destruction of files
Instrument manifolds entity, an entity not to file damage, on the other hand to ensure the relative safety
Instrument valve and physical binding file. (3) To facilitate the use of the file. On the one hand to facilitate the use of archives staff provides file services, on the other hand facilitate the information needs of those who use the file archives information. High (4) efficiency. Archives staff to complete the work as much as possible in the shortest binding file. 2 Binding method currently used file exists insufficient.
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