影音先锋在线视频-久久久久久电影-国产毛片毛片-琪琪在线视频-亚洲欧美网站-观看av-美女网站全黄-玖草在线视频-成人欧美精品一区二区-人妻夜夜爽天天爽-日本黄色大片免费-亚洲最大av网-性欧美在线观看-天天操天天爽天天干-亚洲在线综合

Scope of use: 

1. Basement kitchen and bathroom discharge 

2. Sewage discharge in underground shopping malls, restaurants, bathrooms and other service places 

3. Sewage discharge in underground stations, underground aisles, etc. 

4. Urban, small unmanned sewage transfer pumping stations

Conditions of use:

1. Power frequency of 50HZ, three-phase AC 380V, single-phase 220V

2. Sewage debris (including flexible debris and solid particles) must Self-flowing in the pipeline

3. Sewage temperature does not exceed 40 ℃, PH value of 4-10, sewage density ≤ 1200 kg/m3

4. Control cabinet environment humidity does not exceed 80%