SAICI Bentonite Desanders - Double Passage
Updated: 26.05.2026
The HPD series of Bentonite desanders have been specifically developed for tunneling applications. The Bentonite mud is reliably seperated from all kinds of solids such as sand, clay, slims and other organic matters. The desander consists mainly of a setting tank, special centrifugal pumps, centrifugal seperators, vibration screens and a patented control system. All wear parts are made of top quality, highly resistant and long lasting materials for extended durability and easy maintenance.
Main advantages:
- High efficiency
- Heavy duty construction
- Easy assembly
- Little maintenance
- Great reliability
- Regulation of flow by integrated derivative compensation
- Patented control system
Main applications:
- For medium to large foundation projects with bored piles or diaphragm walls
- Reverse mud circulation
- Milling applications
- Microtunnelling and tunnelling projects
| Model | Output | Cut point d50 | Installed power | Tank capacity | Main screen | Secondary screen | Hydrociclone | Length | Width | Height | Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|
| m³/h | µm | kW | m³ | m² | m² | m | m | m | kg | ||
| 2500 HPD | 200 / 250 | 30 | 45 + 45 | 4 | 4.5 | 4.8 | 2 x 420 + 8 x 125 | 6,500 | 2,400 | 2,800 | 6,600 |
| 4000 HPD | 300 / 350 | 30 | 55 + 55 | 5 | 5 | 6 | 2 x 500 + 12 x 150 | 8,000 | 2,400 | 3,500 | 7,800 |