亚洲日本在线视频观看I国产高清久久久久I日本论理电影I国产亚洲精品久久久久久I日韩一二三I国内久久久久I午夜av网站I日韩精品免费在线观看

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%