<div dir="ltr"><div>what about something like this?  I only just googled it so would need research.  Don't quote me on it!</div><div> </div><div><a href="http://www.haitima.com.tw/valve/check-valve/check-valve-2026.htm">http://www.haitima.com.tw/valve/check-valve/check-valve-2026.htm</a></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 14 January 2015 at 15:55, Brian Cox via Personal_Submersibles <span dir="ltr"><<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="font-family:Arial,sans-serif;font-size:10pt"><div>Is there an off the shelf over pressure valve that I can get?</div><div> </div><div>Brian<br><br>--- <a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a> wrote:<br><br>From: James Frankland via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>><span><br>To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>><br></span>Subject: Re: [PSUBS-MAILIST] Snorkel<br>Date: Wed, 14 Jan 2015 13:58:24 +0000<br><br></div><div><div class="h5"><div dir="ltr">Yes, my OP valve does not have enough holes.  I have a job over the winter to add more or drill existing holes bigger.  </div><div><br><div>On 14 January 2015 at 13:04, Emile van Essen via Personal_Submersibles <span dir="ltr"><<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>></span> wrote:<br><blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid">Mark, All.<br>
<br>
Mind the area is big enough. The valve in the attachment is designed for a<br>
3000 Kg sub. But even then it is to small if you surface too quick in case<br>
of massive overpressure.<br>
Cracking pressure: 25-75 mBar.<br>
<br>
<br>
Best regards, Emile<br>
<br>
-----Oorspronkelijk bericht-----<br>
Van: Personal_Submersibles [mailto:<a href="mailto:personal_submersibles-bounces@psubs.org" target="_blank">personal_submersibles-bounces@psubs.org</a>]<br>
Namens Mark via Personal_Submersibles<br>
Verzonden: dinsdag 13 januari 2015 13:12<br>
Aan: Personal Submersibles General Discussion<br>
Onderwerp: Re: [PSUBS-MAILIST] Snorkel<br>
<div><div><br>
Since we are discussing over-pressure valves, can you recommend a make and<br>
model, or describe its specifications?<br>
<br>
Regards,<br>
<br>
Mark...<br>
<br>
Sent from iPhone.<br>
<br>
> On Jan 12, 2015, at 7:06 PM, Pete Niedermayr via Personal_Submersibles<br>
<<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br>
><br>
> Scott, I see you have an overpressure valve in place of the snorkel .<br>
Whats that on the other side ?<br>
><br>
> Pete ?<br>
> --------------------------------------------<br>
> On Mon, 1/12/15, via Personal_Submersibles<br>
<<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br>
><br>
> Subject: Re: [PSUBS-MAILIST] Snorkel<br>
> To: "Personal Submersibles General Discussion"<br>
<<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>><br>
> Date: Monday, January 12, 2015, 5:09 PM<br>
><br>
> I<br>
> would recommend a cabin overpressure valve instead. It is a<br>
> mushroom valve. You can see pics on my sub page. Alec<br>
> did the same thing.<br>
><br>
> Thanks,<br>
> Scott Waters<br>
><br>
><br>
> -------- Original<br>
> Message --------<br>
> Subject: [PSUBS-MAILIST] Snorkel<br>
> From: Pete Niedermayr via Personal_Submersibles<br>
> <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>><br>
> Date: Mon, January 12, 2015 3:58 pm<br>
> To: <a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a><br>
><br>
> I have a set of K 350 plans that I'm using as a<br>
> reference for my own design. I'm using the conning tower<br>
> plans pretty much as per. The question I do have is. Snorkel<br>
> or no snorkel ? On the one hand I can see how it would be<br>
> useful have. On the other hand no other design seems to have<br>
> one. What are your opinions? Snorkel or no snorkel?<br>
><br>
> Pete<br>
> _______________________________________________<br>
> Personal_Submersibles mailing list<br>
> <a href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a><br>
> <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br>
><br>
> -----Inline Attachment Follows-----<br>
><br>
> _______________________________________________<br>
> Personal_Submersibles mailing list<br>
> <a href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a><br>
> <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br>
> <1399517720.jpg><br>
> _______________________________________________<br>
> Personal_Submersibles mailing list<br>
> <a href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a><br>
> <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br>
<br>
_______________________________________________<br>
Personal_Submersibles mailing list<br>
<a href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a><br>
<a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br>
</div></div><br>_______________________________________________<br>
Personal_Submersibles mailing list<br>
<a href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a><br>
<a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br>
<br></blockquote></div><br></div>
_______________________________________________
Personal_Submersibles mailing list
<a href="http:///eonapps/ft/wm/page/compose?send_to=Personal_Submersibles%40psubs.org" target="_blank">Personal_Submersibles@psubs.org</a>
<a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a>
</div></div></div><br>_______________________________________________<br>
Personal_Submersibles mailing list<br>
<a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br>
<a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br>
<br></blockquote></div><br></div>