液化气专用阀 介绍

液化气专用阀门属于强制密封式阀门,所以在阀门关闭时,必须向阀瓣施加压力,以强制密封面不泄漏。当介质由阀瓣下方进入阀门时,操作力所需要克服的阻力,是阀杆和填料的磨擦力与由介质的压力所产生的推力,关阀门的力比开阀门的力大,所以阀杆的直径要大,否则会发生阀杆顶弯的故障。

技术知识

凯时kb88官方网站 http://doubletimeteam.com http://goldstarrubber.com http://www.babynight-light.com http://www.flcomputertech.com http://www.alex-gambal-wines.com http://www.cartletmall-best.com http://lifebaptistchurchmeridian.com http://www.masaratconsulting.com http://gunnerconsulting.com http://supermassiveblog.com http://www.masaratconsulting.com http://oaklandcountycarpetflooring.com http://deedachs.com http://www.emporiojuridico.com http://vincennes6thst.com http://crushtechmining.com http://www.taipeicourtreporting.com http://www.godsloveletters.com http://www.elyseeseyeproductions.com http://www.rentersecrets30.com http://www.transportelibertario.com http://www.paketbisnismilagros.com http://www.glass4ustorefronts.com http://www.godsloveletters.com http://www.estatesalenational.com http://www.buckhorneclipse2017.com http:// http://www.accountantsofselby.com http://www.peoriaillinoisclassifieds.com http://www.pmpcertificationwiki.com