{"provider_name":"Hatena Blog","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcoatingmachine.hateblo.jp%2Fentry%2F2022%2F08%2F08%2F181524\" title=\" Self priming sewage pump maintenance skills - vacuum pump\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://coatingmachine.hateblo.jp/entry/2022/08/08/181524","categories":[],"title":" Self priming sewage pump maintenance skills","published":"2022-08-08 18:15:24","width":"100%","blog_title":"vacuum pump","author_url":"https://blog.hatena.ne.jp/jinzhenrongs/","type":"rich","description":"The self-priming sewage pump mainly includes inlet connecting pipe, one-way valve, outlet connecting pipe, pump body, impeller, mechanical seal, bearing seat and pump shaft. Double blade impeller structure is adopted to improve the dirt passing capacity. The mechanical seal adopts a new friction pai\u2026","version":"1.0","author_name":"jinzhenrongs","blog_url":"https://coatingmachine.hateblo.jp/","provider_url":"https://hatena.blog","height":"190"}