<html><head></head><body><div class="ydpd946651eyahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><div></div>
<div>Brian,</div><div>Mine are made by Quantum I think, made in California. They are 138 lbs each empty.</div><div>Hank</div><div><br></div>
</div><div id="yahoo_quoted_0088305860" class="yahoo_quoted">
<div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;">
<div>
On Tuesday, May 28, 2019, 6:50:11 PM MDT, Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id="yiv2041653620"><div><div style="font-family:Arial, sans-serif;font-size:10pt;"><font size="2" style=""><font face="Arial, sans-serif">This tank it seems was shipped with a fair amount of gas in it ! I've been draining it for a while now. This tank has an electrical valve on it. Also has a pressure relief valve . Once I'm done draining it ( by unscrewing slightly the PR valve) I'm going to take off the pressure relief valve and see if I can match up the threads at a hydraulic place. I tried a 3/8" thread but it would not thread. We have a type 3 manufacturer very close by and he gave me some info on the various threads that are used. </font></font><div><font face="Arial, sans-serif" size="2"><br clear="none"></font></div><div><font face="Arial, sans-serif" size="2">Hank , who is the manufacturer of your tank? <br clear="none"></font><div><font face="Arial, sans-serif" size="2"><br clear="none"></font></div><div><font face="Arial, sans-serif" size="2">Brian</font></div><div><font face="Arial, sans-serif" size="2"><br clear="none"></font></div><div><font face="Arial, sans-serif" size="2"><br clear="none"></font><br clear="none"><span style="font-family:Arial, sans-serif;font-size:10pt;">--- personal_submersibles@psubs.org wrote:</span><br clear="none"><br clear="none"><span style="font-family:Arial, sans-serif;font-size:10pt;">From: hank pronk via Personal_Submersibles <personal_submersibles@psubs.org></span><br clear="none"><span style="font-family:Arial, sans-serif;font-size:10pt;">To: Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org></span><br clear="none"><span style="font-family:Arial, sans-serif;font-size:10pt;">Subject: Re: [PSUBS-MAILIST] CNG tank</span><br clear="none"><span style="font-family:Arial, sans-serif;font-size:10pt;">Date: Wed, 29 May 2019 00:14:42 +0000 (UTC)</span><br clear="none"><br clear="none"><div style=""><div></div>
<div>Brian, </div><div>I have no idea what pressure it can take with no air in it. It should be a reasonable amount given the thickness of the shell. My tanks have a strait thread with an o-ring. It makes no sense to have a taper thread with an o-ring. The taper thread (pipe thread) seals on its own. I have steel CNG tanks with a pipe thread valve but I am sure the type 4 carbon </div><div> fibre tanks are not pipe thread</div><div>Hank</div><div><br clear="none"></div>
</div><div style="font-family:Arial, sans-serif;font-size:10pt;">
<div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;">
<div class="yiv2041653620yqt9194151813" id="yiv2041653620yqt20804"><div>
On Tuesday, May 28, 2019, 5:51:48 PM MDT, Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
</div>
<div><br clear="none"></div>
<div><br clear="none"></div>
<div><div><div><div style="font-family:Arial, sans-serif;font-size:10pt;"><font size="2">Hank , Any idea what pressure those tanks would take with no internal pressure ?</font><div><font size="2"><br clear="none"></font></div><div><font size="2">Brian</font></div><div><font size="2"><br clear="none"></font></div><div><font size="2"><br clear="none"></font><br clear="none"><span style="font-size:10pt;">--- personal_submersibles@psubs.org wrote:</span><br clear="none"><br clear="none"><span style="font-size:10pt;">From: hank pronk via Personal_Submersibles <personal_submersibles@psubs.org></span><br clear="none"><span style="font-size:10pt;">To: Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org></span><br clear="none"><span style="font-size:10pt;">Subject: Re: [PSUBS-MAILIST] CNG tank</span><br clear="none"><span style="font-size:10pt;">Date: Tue, 28 May 2019 22:11:48 +0000 (UTC)</span><br clear="none"><br clear="none"><div style="font-size:13px;"><div></div>
<div>Not on mine, all right hand thread</div><div>Hank</div><div><br clear="none"></div>
</div><div style="font-size:10pt;">
<div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;">
<div><div>
On Tuesday, May 28, 2019, 3:48:21 PM MDT, Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
</div>
<div><br clear="none"></div>
<div><br clear="none"></div>
<div><div><div><div style="font-family:Arial, sans-serif;font-size:10pt;"><font size="2">There is a fill fitting on this tank that seems like it is reverse thread</font><div><font size="2"><br clear="none"></font></div><div><font size="2"><br clear="none"></font><br clear="none"><span style="font-size:10pt;">--- personal_submersibles@psubs.org wrote:</span><br clear="none"><br clear="none"><span style="font-size:10pt;">From: hank pronk via Personal_Submersibles <personal_submersibles@psubs.org></span><br clear="none"><span style="font-size:10pt;">To: Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org></span><br clear="none"><span style="font-size:10pt;">Subject: Re: [PSUBS-MAILIST] CNG tank</span><br clear="none"><span style="font-size:10pt;">Date: Tue, 28 May 2019 21:40:58 +0000 (UTC)</span><br clear="none"><br clear="none"><div style="font-size:13px;"><div></div>
<div>Brian,</div><div>The fittings are no problem, I just went to the hydraulic shop and got new ones.</div><div>Hank</div><div><br clear="none"></div>
</div><div style="font-size:10pt;">
<div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;">
<div><div>
On Tuesday, May 28, 2019, 2:48:18 PM MDT, Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
</div>
<div><br clear="none"></div>
<div><br clear="none"></div>
<div><div><div style="font-family:Arial, sans-serif;font-size:10pt;"><font size="2">My CNG tank finally got here ! Very impressive tank, looks like there are standard fittings on it , so shouldn't be much trouble putting the appropriate valves on. </font><div><font size="2"><br clear="none"></font></div><div><font size="2">Brian</font></div><div><font size="2"><br clear="none"></font></div><div><font size="2"><br clear="none"></font></div></div>
</div>_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a rel="nofollow" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" target="_blank" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div></div>
</div>
</div><span style="font-size:10pt;">_______________________________________________
Personal_Submersibles mailing list
</span><a rel="nofollow" shape="rect" style="font-size:10pt;">Personal_Submersibles@psubs.org</a>
<a rel="nofollow" shape="rect" target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" style="font-size:10pt;">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a>
</div></div>
</div></div><div>_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a rel="nofollow" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" target="_blank" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div></div></div>
</div>
</div><span style="font-size:10pt;">_______________________________________________
Personal_Submersibles mailing list
</span><a rel="nofollow" shape="rect" style="font-size:10pt;">Personal_Submersibles@psubs.org</a>
<a rel="nofollow" shape="rect" target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" style="font-size:10pt;">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a>
</div></div>
</div></div><div>_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a rel="nofollow" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" target="_blank" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div></div></div>
</div>
</div><span style="font-family:Arial, sans-serif;font-size:10pt;">_______________________________________________
Personal_Submersibles mailing list
</span><a rel="nofollow" shape="rect" style="font-family:Arial, sans-serif;font-size:10pt;">Personal_Submersibles@psubs.org</a>
<a rel="nofollow" shape="rect" target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" style="font-family:Arial, sans-serif;font-size:10pt;">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a>
</div></div></div></div></div><div class="yqt9194151813" id="yqt20965">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div></div>
</div>
</div></body></html>