thread407-270902
This was an older thread and I'm not sure if anyone is still being notified of responses but...
Based on the initial information provided on where the supply was located, has anyone entertained the thought of Vortices reaching the impeller? At a 5 foot height above and 4 feet...
Lets look at it from a certification point of view. When the project is complete there will probably be a team come in with documents for those lab areas. Probably called Lab Certification Manuals which will state the Gas (N2)Purity, Cleanliness requirements, lighting requirements at bench level...
Here's a couple of links, hope they give you a little more ammunition:
http://www.cnst.nist.gov/nanofab/pdf/cleanroom_safety_manual.pdf
http://www.iprocessmart.com/particlecounters/fs_209e_and_iso_14644_cleanroom.htm#ISO Cleanroom Standards
You need to clarify "Clean Room". If this is a class 100,000 room or workstation then you want no hydrocarbons to enter the room through the airlock (if there is one) or through the N2 piping. Is the N2 required to be water pumped and oil free? If so then you are probably dealing with an Oxygen...
