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Date: Fri, 21 Feb 2003 11:13:14 -0500
To: Techdiver <techdiver@aquanaut.com>
From: Steven Lindblom <s_lindblom@co*.co*>
Subject: P-valve plans update
Had a bunch of requests to CC any info I received on DIY p-valves so 
figured I'd post it:

Never found a copy of any of the old plans, so we reconstructed them 
after a visit to a hardware store, and have posted them on the 
website at

http://www.airspeedpress.com/pvalvepage.html

The check valves, for those who must have balanced, come with a lot 
of end fitting options. Easiest is to use a 304/304PPB-3" (barbs on 
both ends) cut into the line as shown but you can streamline things a 
bit by using a street elbow, and a 304/314PPB-3" screwed directly 
into it. Valves are about $5 each ,and Smart Products sells in any 
quantity. Those numbers are for the 1/4" version.

See the Halcyon or DiveRite manuals, on their respective websites, 
for info on how to locate and install, and 
http://www.diveoz.com.au/discussion_forums/topic.asp?ARCHIVE=true&TOPIC_ID=2466
for installation tips.
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