valve stem location

From: <qayamhadi>
Date: Tue Dec 04 2007 - 23:45:00 EST

Hi All,
Can anyody please help me on valve stem location. I have read that when we have a valve at elevation it is not reccommended to place the the stem of valve below horizontal level . WHY? what is the reason for this ?
  Also can some one tell me how we determinr the Valve Stem height ? Waiting for a reply
Many Thanks,
Qayam Received on Tue Dec 04 23:45:00 2007

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