原帖由 <I>科鑫</I> 于 2007-4-18 23:12 发表 <A href="http://cnccpumpscom/redirectphp?goto=findpost&pid=20791&ptid=3350" target=_blank><IMG onmousewheel="return imgzoom(this);" onmouseover="if(thiswidth>screenwidth*07) {thisresized=true; thiswidth=screenwidth*07; thisstylecursor='hand'; thisalt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" onclick="if(!thisresized) {return true;} else {windowopen(thissrc);}" alt="" src="http://cnccpumpscom/images/common/backgif" onload="if(thiswidth>screenwidth*07) {thisresized=true; thiswidth=screenwidth*07; thisalt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" border=0></A> 泵类的机封最高是7MPa的,你的问题我也遇到过,如果你要选耐高压的机封恐怕比你的泵还要贵,我解决的方案是11+52方案,波纹管密封,串联的,我想你明白11自冲洗方案,52我就不用解释了吧