<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1412548186794_3348" dir="ltr"><span id="yui_3_16_0_1_1412548186794_3354">Sending this one again as I didn't recieve it.</span></div><div dir="ltr" id="yiv4775779505yui_3_16_0_1_1412543413274_7726" class="" style=""><span id="yiv4775779505yui_3_16_0_1_1412543413274_7763" class="" style="">Hank,</span></div><div dir="ltr" id="yiv4775779505yui_3_16_0_1_1412543413274_7726" class="" style=""><span id="yiv4775779505yui_3_16_0_1_1412543413274_7761" class="" style="">glad you posted, I thought I wasn't getting any mail.</span></div><div dir="ltr" id="yiv4775779505yui_3_16_0_1_1412543413274_7726" class="" style=""><span id="yiv4775779505yui_3_16_0_1_1412543413274_7730" class="" style="">From memory G.L. require a bilge pump with an ability to pump out</span></div><div dir="ltr" id="yiv4775779505yui_3_16_0_1_1412543413274_7726" class="" style=""><span id="yiv4775779505yui_3_16_0_1_1412543413274_7767" class="" style="">all spaces in the sub.</span></div><div dir="ltr" id="yiv4775779505yui_3_16_0_1_1412543413274_7726" class="" style=""><span id="yiv4775779505yui_3_16_0_1_1412543413274_7766" class="" style="">I don't think they require </span>high pressure pumps for pumping out at depth as </div><div dir="ltr" id="yiv4775779505yui_3_16_0_1_1412543413274_7726" class="" style="">they talk about allowing an interconectability between the bilge pump &</div><div dir="ltr" id="yiv4775779505yui_3_16_0_1_1412543413274_7726" class="" style=""><span id="yiv4775779505yui_3_16_0_1_1412543413274_7732" class="" style="">trim tank system. So this implies you can have one pump for the trim tanks & </span></div><div dir="ltr" id="yiv4775779505yui_3_16_0_1_1412543413274_7726" class="" style=""><span class="" id="yiv4775779505yui_3_16_0_1_1412543413274_7776" style="">a valve system from it to</span> pump out the bilge.</div><div dir="ltr" id="yiv4775779505yui_3_16_0_1_1412543413274_7726" class="" style="">I would guess you would need a one way valve & a stop valve on the through hull.</div><div dir="ltr" id="yiv4775779505yui_3_16_0_1_1412543413274_7726" class="" style="">If you had large enough trim tanks you could use them as a ballast tank as well.</div><div dir="ltr" id="yiv4775779505yui_3_16_0_1_1412543413274_7726" class="" style="">Alan</div><div class="" style="" id="yui_3_16_0_1_1412548186794_3386"><br class="" style=""></div><br> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1412548186794_3357"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1412548186794_3356"> <div dir="ltr" id="yui_3_16_0_1_1412548186794_3355"> <hr size="1"> <font size="2" face="Arial" id="yui_3_16_0_1_1412548186794_3361"> <b><span style="font-weight:bold;">From:</span></b> hank pronk via Personal_Submersibles <personal_submersibles@psubs.org><br> <b><span style="font-weight: bold;">To:</span></b> personal_submersibles@psubs.org <br> <b><span style="font-weight: bold;">Sent:</span></b> Monday, October 6, 2014 6:54 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> [PSUBS-MAILIST] bilge pump<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_1_1412548186794_3358"><br>Are bilge pumps common or required by ABS, if so are they high pressure or low pressure for the surface only.<br>Hank<br>_______________________________________________<br>Personal_Submersibles mailing list<br><a ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org" id="yui_3_16_0_1_1412548186794_3360">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" id="yui_3_16_0_1_1412548186794_3359">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br><br><br></div> </div> </div> </div></body></html>