婷婷伊人久久大香线蕉av-国产日韩欧美在线综合网-精品亚洲国产成人蜜臀优播av-五月亚洲丁香激情综合

Why doesn't the pump absorb water?

Date of issue:[2020-08-17]     Click through rate:    

First of all, why to exhaust air, the principle of water pump suction is the rotation of the impeller to throw out the water inside the pump, and then let the water inlet pipe into a vacuum. Then under the action of atmospheric pressure, the water pressure into the pump. Therefore, if it is not filled with water, the sealing of the pump is impossible to empty the air inside the pump and form a high vacuum. That is to say, if you don't fill water, you can't suck water. You will hear a hollow sound inside the pump (the bubble burst sound produced when absorbing water under the bottom vacuum).

The reason why the water can't go up is that there is not enough vacuum inside!

reason:

1. Because it wasn't filled with water.

2. Because the vertical height of your pump and water is higher than the suction head of the pump itself.

3. The resistance of pipeline is too large (including too small pipe diameter and too many elbows).

Technology Department


Address:576 Wuding Road, Jing'an District, Shanghai

E-mail:info@xinguangminggroup.com

91九色在线免费观看| 国产极品美女高潮抽搐| 国内精品av在线观看| 国产精品亚洲国产精品| 91嫩草中文字幕在线| 国产成人+亚洲欧洲综合| 亚洲激情粉嫩中文字幕| 少妇的诱惑免费在线播放| 门国产av一区二区三区| 日本在线视频精品一区| 综合激情四射亚洲激情| 亚洲日本av一区二区| 蜜桃久久国产精品一区二区| 日韩精品一区二区视频| 高清区一区二区在线播放| 97热久久精品中文字幕一区| 国产三级在线观看视频| 真实国产熟女一区二区三区| 亚洲一区二区三区熟女少妇 | 夫妻性生活视频一级片| 欧美高清一区二区在线观看| 综合激情丁香久久狠狠| av天堂资源地址在线观看| 亚洲黄色手机在线网站| 国产91极品尤物白丝美女| 精品人妻一区二区三区蜜桃电| 99久久热这里只有精品| 日本成人午夜福利在线观看| 性生活真实视频免费看| 快播av手机在线播放| 亚洲精品麻豆一区二区| 精品人妻va人妻中文字幕麻豆| 日韩午夜电影一区二区三区| 黄色录像日本黄色录像| 国产欧美日韩另类在线| av资源在线观看少妇丰满| 国家成人午夜在线观看| 国产午夜亚洲精品羞羞网站| 成人性生活视频免费中文版| 国产精品日产三级在线观看| 日本一区二区三区高清不卡|