Drainage
Raw water, drainage and untreated wastewater containing solids no larger than 12 mm from households, farms and small industry.
Example of drainage job
Houses built with a basement or cellar generally need an exterior drainage system to prevent moisture causing rot and other serious damage.
The drain pipes should be connected to a drain well or pump pit fitted with a drainage pump.
- A minimum free passage of 5-10 mm is recommended to prevent clogging. Ideally, the pump should be connected to a level switch or an external control system.
Grundfos recommends the following pumps for this application: Unilift CC, KP, AP12
Maximum particle size:
Unilift CC: 10 mm
Unilift KP: 10 mm
Unilift AP 12: 12 mm |