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Re: Aquatic Plants Digest V3 #703



At 03:48 PM 12/12/98 -0500, Paul Krombholz asked:
>I was wondering, if glass capillary tubing could be used to regulate the
>flow, instead of a needle valve. 

Actually, they make such things in brass.  I believe they are called
orifices and are available down into the thousandths of an inch range.
They are not cheap, however, and highly subject to getting plugged.

--
Dave Gomberg, San Francisco            mailto:gomberg at wcf_com
http://www.wcf.com/wcf
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