Grundfos SE1.80.100.240.2.52S.N.51D.A.T Cast Iron Sewage Pump for Effluent Handling with S-Tube Impeller

Civil infrastructure maintenance and wastewater treatment require heavy-duty subsurface assets capable of handling aggressive liquid ingress in large collection pits. The Grundfos SE1.80.100.240.2.52S.N.51D.A.T Submersible Wastewater Pump ensures reliable performance for effluent and sewage transfer duties. Operating within a temperature range of 10 to 40°C, the system maintains consistent throughput in drainage stations and municipal networks. This cast iron unit is built for intensive duty cycles in subsurface environments prone to varying liquid levels and heavy flow.

Hydraulic capacity is driven by a 24 kW two-pole motor on a 415v three-phase supply, generating a maximum head of 48.5 m and a maximum flow of 3366 L/min. Operating with a rated current of 47 Amps at 2971 rpm, the pump maintains stable pressure for high-velocity wastewater discharge. A star-delta starting method is utilized to manage peak electrical loads and ensure consistent torque during initial activation. Power is distributed through a 15-metre S1BN8-F power cable to support integration into deep-pit wastewater handling infrastructure.

Internal fluid pathways utilize an S-TUBE impeller configuration to facilitate the passage of solids up to 80 mm without internal clogging. This hydraulic design ensures high efficiency and reliable wastewater transfer, reducing the risk of internal blockages during continuous duty in municipal networks. The S-TUBE impeller is engineered for durability, maintaining volumetric efficiency throughout thousands of operating hours in aggressive fluids. This configuration is specifically intended for grey water and sewage handling where system reliability is critical for facility protection.

Mechanical construction features a heavy-duty cast iron body and motor shell with an IP68 protection rating for depths up to 20 m. Reliability is supported by a double mechanical shaft seal with silicon carbide faces in an oil bath to protect the motor from ingress. This model includes integrated thermistors and moisture sensors for proactive monitoring of the Class H insulated motor assembly. Standard DN 100 inlet and outlet connections allow for standardized integration into municipal wastewater and civil drainage pipework.

Features

• S-TUBE impeller design enables the passage of solids up to 80 mm with significant resistance to internal clogging.
• Heavy-duty cast iron housing and motor shell provide the structural durability required for submerged installations.
• Double mechanical shaft seal utilizing silicon carbide faces ensures the motor remains shielded from liquid ingress.
• Internal moisture sensors and thermistors provide monitoring to safeguard the Class H insulated motor assembly.
• Two-pole 24 kW motor configuration operating at 2971 rpm provides the high-velocity discharge needed for sewage transfer.
• Standardized DN 100 inlet and outlet connections allow for seamless integration into municipal pipework.
• IP68 enclosure rating confirms the system is suitable for permanent immersion in aggressive submerged environments.