Grundfos SE1.80.100.265.2.52S.N.51D.A.T Cast Iron Sewage Pump for Wastewater Handling with S-Tube Impeller

Industrial wastewater handling and municipal sewage collection in large complexes require robust hydraulic units for deep-pit service. The Grundfos SE1.80.100.265.2.52S.N.51D.A.T Submersible Wastewater Pump addresses these demands by providing reliable effluent transfer and contaminated liquid movement. Operating at temperatures up to 40°C, the system ensures consistent throughput in drainage stations and lift stations. This unit is intended for civil infrastructure where reliable liquid movement is required for treatment plant duties and large-scale facility maintenance.

Technical capacity is provided by a 26.5 kW two-pole motor on a 415v three-phase supply, generating a maximum head of 52.4 m and a maximum flow of 3366 L/min. Operating with a rated current of 51 Amps at 2967 rpm, the unit maintains stable pressure for high-velocity discharge in pressurized sewer mains. A star-delta starting method is utilized to manage electrical loads during initial activation. Power is distributed through a 15-metre power cable to facilitate deployment in subsurface wastewater handling pits and municipal networks.

Internal fluid paths utilize a high-efficiency S-TUBE impeller configuration designed for the movement of solids up to 80 mm without internal contact. This setup allows for the passage of solids through the housing, preventing the blockages that compromise volumetric throughput over long-term service. By utilizing the S-TUBE impeller, the assembly provides superior clog resistance and ensures reliable wastewater transfer in intensive municipal service. This design is engineered for grey water and sewage collection where efficiency is a priority for infrastructure protection.

Mechanical integrity is reinforced by a heavy-duty cast iron housing and an IP68 protection rating for immersion up to 20 m. Motor protection is provided by a double mechanical shaft seal featuring silicon carbide faces in an oil bath for maximum durability. This model includes integrated thermistors and moisture sensors for proactive monitoring of the Class H insulated motor assembly. The unit features DN 100 inlet and outlet ports for high-capacity integration into standardized municipal wastewater and industrial drainage systems.

Features

• Cast iron S-TUBE impeller facilitates efficient liquid handling and prevents blockages in high-volume wastewater networks.
• Heavy-duty cast iron housing and motor shell provide the structural durability needed for permanent submerged installations.
• Double mechanical shaft seal in an oil bath with silicon carbide faces ensures the 26.5 kW motor remains shielded.
• Internal thermistors and moisture sensors provide real-time monitoring to protect the Class H insulated motor assembly.
• Two-pole motor operating at 2967 rpm provides the high-velocity discharge required for industrial sewage transfer.
• DN 100 inlet and outlet ports allow for standardized liquid transfer through municipal wastewater pipework.
• Integrated cooling jacket supports operational integrity in both dry and submerged mounting configurations.