Grundfos SE.100.130.2.52S.N.51D.A.T Cast Iron 2-Pole Sewage Pump for Wastewater with Open S-Tube Impeller

Large-scale municipal wastewater collection requires robust hydraulic infrastructure capable of handling high ingress rates in permanent submerged environments. The Grundfos SE.100.130.2.52S.N.51D.A.T ensures circulation stability for effluent management where fluid temperatures reach 40 degrees Celsius. Maintaining structural integrity during continuous duty is necessary for drainage stations and subsurface collection pits. This unit is intended for wastewater transfer and municipal networks where reliable liquid optimization is required for facility maintenance.

Hydraulic capacity is driven by a 13 kW motor operating on a 415v three-phase supply with a rated current of 26 Amps. This assembly generates a maximum flow of 4014 L/Min and reaches a maximum head of 35.6 m. The motor utilizes a star-delta starting method to manage peak electrical loads and maintain torque stability during initial activation cycles. Operating at a rated speed of 2973 rpm, the unit ensures consistent discharge behavior in deep-pit applications.

Internal centrifugal design utilizes a high-efficiency Open S-Tube impeller to facilitate the passage of solids in suspension without internal contact. This configuration handles particles through the housing, preventing the internal clogging that compromises volumetric efficiency over long-term service. By utilizing the Open S-Tube principle, the design reduces internal wear and vibration for the rotating assembly during high-head discharge. The Open S-Tube setup is intended for high-volume wastewater transfer in municipal and industrial collection systems.

Mechanical construction features a heavy-duty cast iron body and motor shell with an IP68 protection rating for depths up to 20 m. Longevity is anchored by a double mechanical shaft seal featuring silicon carbide faces in an oil bath for motor insulation. This model includes integrated thermistors and moisture sensors to facilitate proactive monitoring of the Class H insulation motor assembly. The architectural casting features a 311 kg net weight and DN 100 connections for integration into standardized wastewater infrastructure.

Features

• Open S-Tube impeller configuration facilitates high-efficiency liquid handling and prevents internal blockages in municipal networks.
• Heavy-duty cast iron housing and motor shell provide the structural durability needed for permanent submerged installations up to 20 m deep.
• Double mechanical shaft seal featuring silicon carbide faces in an oil bath ensures the motor remains shielded from liquid ingress.
• IP68 protection rating confirms the unit is suitable for continuous duty in submerged environments up to 20 m deep.
• Integrated thermistors and moisture sensors enable real-time monitoring to safeguard the Class H insulated motor assembly.
• Two-pole motor operating at 2973 rpm provides the high-velocity discharge required for wastewater collection systems.
• Standardized DN 100 inlet and DN 100 outlet connections allow for seamless integration into municipal wastewater pipework.
• Integral cooling jacket supports operational integrity in both dry and submerged installation environments.