欧美乱码精品一区二区三区-99精品久久-天天激情-日韩色区-国产黄在线观看-在线观看视频国产-色婷婷六月-小辣椒导航-亚洲天堂v-欧美日韩亚-中文字幕无线码一区-久久精品偷拍视频-永久免费毛片-久久黄色视屏-国产美女极度色诱视频www

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%