The Dreno VT 100/4/240 C.370 400/690V-50Hz EX is a high-performance submersible pump engineered for efficient handling of wastewater containing heavy suspended solids. Ideal for industrial applications such as tanneries and farms, this pump excels in environments where water is contaminated with soil or large solid particles. **Key Features:** - **Vortex Impeller Design:** Equipped with a vortex impeller, the pump effectively manages wastewater with substantial suspended solids, ensuring smooth operation without clogging. - **Robust Construction:** Constructed with GG25 grey cast iron, the pump offers exceptional durability and resistance to wear, extending its operational lifespan. - **Dual Mechanical Seals:** Features two separate mechanical seals—one on the motor side within the oil chamber and another on the impeller side in contact with the liquid—enhancing reliability and minimizing maintenance needs. - **Explosion-Proof Certification:** Designed with explosion-proof features, the pump is suitable for hazardous environments, meeting the EX db IIB T4 Gb standard. **Motor Specifications:** - **Type:** 4-pole squirrel cage motor. - **Insulation:** Class F (155°C). - **Protection:** IP68, ensuring reliable operation in submerged conditions. - **Cooling:** The motor is cooled by the liquid in which the pump is immersed, enhancing efficiency and longevity. **Operational Parameters:** - **Maximum Liquid Temperature:** 40°C with the pump fully submerged; special versions can handle temperatures up to 60°C. - **Maximum Immersion Depth:** 20 meters. - **Permissible pH Range:** 6-10. - **Suitable Liquid Density:** Less than 1.1 kg/dm³. - **Voltage and Frequency:** Operates at 400/690V ±5% and 50Hz ±2%. **Applications:** The Dreno VT 100/4/240 C.370 400/690V-50Hz EX is ideal for transporting water with heavy suspended solids, making it suitable for: - **Industrial Use:** Tanneries, farms, and other industries dealing with wastewater containing large solid particles. - **Sewage Management:** Efficiently handles sewage with suspended solids, ensuring effective wastewater treatment. For comprehensive technical details and specifications, refer to the Dreno V4 series catalog.