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The Benenv MDS404 is a multi-disk screw press dewatering machine designed for continuous solid-liquid separation in wastewater treatment. It operates with low energy consumption and low noise, suitable for low to high concentration sludge. The machine is fully automatic and can run 24/7. It is widely used in municipal, industrial, and food processing wastewater treatment, including chemical, textile, paper, pharmaceutical, and agricultural industries. The MDS404 model offers a capacity range of 13.6–200 m³/h and a dry solids throughput of 400–680 kg/h.
| Parameter | Value |
|---|---|
| Model | MDS404 |
| Type | Multi-Disk Screw Press |
| Power | 8.2 kW |
| Capacity | 13.6–200 m³/h |
| Dry Solids (DS) | 400–680 kg/h |
| Weight | 6550 kg |
| Water Consumption | 320 L/h |
| Material | SS304 / SS316L |
This product is available in model MDS404. The wetted parts can be manufactured in either SS304 or SS316L stainless steel depending on the corrosiveness of the sludge and site requirements. Please contact our sales team to confirm material selection and any additional configuration needs.
The MDS404 is constructed from SS304 or SS316L stainless steel for superior corrosion resistance. The multi-disk screw press structure provides continuous self-cleaning and efficient dewatering. The design includes a sludge feed pump (screw pump), polymer dosing system (PAM), electrical control system (PLC control cabinet), and cake conveying system (belt conveyor or screw conveyor) as part of the typical setup.
This dewatering machine is suitable for a wide range of industries:
It is designed for sludge dewatering projects, reducing sludge moisture content, volume, and disposal costs. The machine can handle low to high concentration sludge and is suitable for continuous operation systems requiring low energy consumption and low noise.
We offer customization to meet specific project requirements. The material grade (SS304 or SS316L), as well as optional auxiliary systems such as sludge feed pump, polymer dosing system, PLC control cabinet, and cake conveying system (belt or screw conveyor), can be configured according to your site conditions. The machine supports stable flocculation performance with proper chemical selection and corrosion-resistant materials.
For more details or to request a quote, please contact:
Name: Roman
Email: manager@benenv.com
Tel: +86 18921318788
WhatsApp: +86 12138541513
Address: Xieqiao Industry Park, No.28 Yuedong Rd, Yixing (China)

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Alt text: Benenv MDS404 screw press sludge dewatering machine