日韩精品一区二区亚洲av_ass少妇jus鲜嫩bbw_涩涩导航_视色在线_天天干天天操天天操_涩视频网站_免费在线观看黄网_黄色视屏软件_91视频合集_国产乱妇无乱码大黄aa片_精品日韩中文字幕_久久黄色一级视频_亚洲永久免费av_久久新视频_www.777色

Operation manual for pipeline connection of frequency conversion water supply equipment

One, win the negative pressure water supply equipment docking operation example
1, the equipment for the inlet and outlet flange, the municipal water inlet pipe and main pipe underground are also used to facilitate the flange, flange to flange connection.
2, water: non negative pressure water supply equipment inlet at non negative pressure steady flow tank, so in the docking, docking to the municipal network over the non negative pressure steady flow tank flange can be.
3, water: the main pipe flange butt joint equipment outlet flange can be.

Two, win the frequency constant pressure water supply equipment docking operation
1, the equipment into the water: stainless steel water tank or self built pool of water outlet flange butt frequency conversion constant pressure water supply equipment inlet flange.
2, equipment water: constant pressure equipment outlet flange butt cell pipeline blue method.