<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div>Hank,</div><div>do you have any mesh around the valve to stop debri?</div><div>Alan</div><div><br></div><div><br>On 25/10/2020, at 4:57 AM, hank pronk via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div dir="ltr" data-setdir="false">Hi All, I am looking for a safety back up on my solenoid vent valve. I envision an upside down foot valve. I want a device that blocks the air flow from the MBT once submerged. This is in case the solenoid valve gets debris in the seat and fails to seat. I only need one auto blocker because I have two MBT's. I can make buoyancy adjustments with the second tank. A float that closes a valve sort of thing</div><div dir="ltr" data-setdir="false">Hank</div></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Personal_Submersibles mailing list</span><br><span><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></span><br><span><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br></div></blockquote></body></html>