檢視排空的原始碼

[[File:排空.jpg|缩略图|[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E6%8E%92%E7%A9%BA&step_word=&hs=0&pn=2&spn=0&di=8360&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=548308666%2C3775501796&os=2205165248%2C2918031255&simid=548308666%2C3775501796&adpicid=0&lpn=0&ln=1153&fr=&fmq=1632225105746_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fimages%2F20180126%2Fb2f19fb26c394bbe9809f170f43cf2df.jpeg%26refer%3Dhttp%3A%2F%2F5b0988e595225.cdn.sohucs.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Djpeg%3Fsec%3D1634817352%26t%3D4958503e86c0991b5be918b4ec0f32d8&fromurl=ippr_z2C%24qAzdH3FAzdH3F4p_z%26e3Bf5i7_z%26e3Bv54AzdH3Fda8ba8dmAzdH3Fgcdldma0am_z%26e3Bfip4s&gsm=3&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined 原图链接][https://www.sohu.com/a/219036556_364342 来自搜狐]]]
'''排空'''管路排空的原理即是将管路内的水通过各种方式使之与大气相通，形成一个[[连通器]]，水在自身重量的作用下就会从下面畅通的管道端流出。排空阀是一种管道排空装置，被人们理解与接受主要是使用在[[]太阳能热水器]]上，作用是解决输水管道因天气寒冷而发生冻堵。