Grundfos SL1.85.150.130.4.52H.N.51D.A.T Cast Iron 4-Pole Sewage Pump for Car Parks with S-Tube Impeller

Premium EN 1561 EN-GJL-250 cast iron defines the impenetrable exterior of the SL1.85.150.130.4.52H.N.51D.A.T, delivering immense resistance against submersed wear. Incorporating a heavy-duty 150 mm outlet and a massive 150 mm inlet, this submersible pump locks in structural integrity for municipal treatment plants. Operating flawlessly within flooded pits, the asset manages severe fluid surges without compromising networks.

Buried inside this metallic housing lies a precision-cast S-Tube impeller governed to maintain a strict 85 mm free passage. This exact volumetric clearance proves critical for relocating solid-heavy municipal sewage without stalling. By neutralizing dense blockage risks at the transfer layer, the continuous circulation loop remains unobstructed, sparing public facilities from disastrous overflow events.

Supplying kinetic force is an efficient 13 kW Grundfos 4-pole motor wired into a 415v three-phase grid. This balanced assembly outputs an impressive maximum head of approximately 23 m, accompanied by huge capacities peaking at 4986 L/Min. The carefully structured fluid velocity paths efficiently harness this raw energy, manifesting profound thermodynamic stability and minimal vibration during extensive transfer cycles.

Solidifying its protective profile, the system houses sensitive moisture sensors and active motor-protection thermistors natively within the core. These reactive components constantly trace the sealed cavity, building a defensive wall against sudden submersed breaches or thermal overloads. This tracking grants operators peace of mind while significantly lowering scheduled maintenance.

Features

• Utilizes a state-of-the-art cable entry connector that allows the fifteen-meter heavy waterproof cord to be fully disconnected without removing the upper motor casing.
• Features an easily accessible double shaft seal configured in a dedicated cartridge design, permitting rapid maintenance interventions without heavy specialized equipment.
• Manufactured with a highly durable secondary shaft seal built from an ultra-tough silicon carbide and carbon friction material configuration to isolate the internal core.
• Built using premium EN 1561 EN-GJL-250 cast iron across the main pump housing and exterior motor shell to ensure maximum mechanical resilience in flooded environments.
• Designed to seamlessly process immense fluid loads continuously at dense temperature ranges from ten to forty degrees Celsius within permanent municipal networks.
• Engineered to safely endure a maximum continuous installation depth of twenty meters while preserving an absolute eight bar internal operating pressure tolerance.