MSP521T SALES PAGE

Lubi (MSP521T) 0.25 HP MSP Series Submersible Drainage Pumps With 1 Year Warranty

📝 Short Description:
Compact and efficient corrosion-proof submersible drainage pump, designed for domestic and light industrial applications. Available in 0.25 HP and 0.5 HP variants, the MSP Series ensures reliable performance with energy-efficient motor and wide-angle float switch options.

✅ Point Are Point Summary
• Model: MSP521T / MSP551T
• Motor: 0.18 kW (0.25 HP) / 0.37 kW (0.5 HP)
• Voltage: 230 V, 1 Phase, 50 Hz
• Max. Flow: 20,900 l/h
• Max. Head: 13 meters
• Discharge: 1½"
• Cord Length: 4.6 m
• Shaft & Fasteners: Stainless Steel
• Float Switch: Wide Angle (Optional)

Technical Specifications
• Model No. : MSP521T
• Product Type: cast iron submersible drainage pump
• Brand: Lubi Pump
• Motor Power: 0.25 HP (0.18 KW)
• Speed: 2850 (Synchronous)
• Electricity Connection: Single Phase
• Max Head Range: 6-32 Feet (2-10 Meters)
• Discharge Rate: 166-34 LPM
• Discharge Rate: 10000 –2000 LPH
• Pipe Size (Outlet): 50 X 50 mm
• Impeller: Cast Iron / Stainless Steel / Bronze
• Delivery Casting: Cast Iron
• Motor Body: Cast Iron
• Pump Shaft: Carbon Steel / Stainless Steel
• Sealing: Mechanical Seal / Gland Packed
• Solid Handling Capacity: 10 mm
• Product Dimensions: L 320 X W 241 X H 241 MM
• Weight (Approx) : 8 Kg
• Liquid: Dewatering Water
• Warranty: 1 Year warranty on manufacturing defects only
Datasheet Download

📌 Note
• Optional SiC/SiC mechanical shaft seal for sandy water.
• Provided with flexible hose connection and clamp.
• Clockwise motor rotation (viewed from rear).
• Minimum sump pit diameters: 381 mm / 432 mm.

▶️ How to Operate
1. Submerge the pump fully for continuous operation (S1).
2. Use partially submerged for intermittent duty (S3).
3. Ensure clean power supply and avoid dry running.
4. Connect flexible hose and secure with provided clamp.
5. Monitor float switch for automatic start/stop (if equipped).

🌟 Key Features
• Corrosion-resistant composite construction.
• Stainless steel shaft & fasteners.
• Oil-filled motor for superior cooling.
• Thermally protected, energy-efficient motor.
• Permanently lubricated ball bearings.
• Extended 4.6 m power cord for convenience.
• Wide-angle float switch (optional).
• Suitable for pumping water with solids up to 10 mm.

🚧 Applications
This pump is suitable for a wide range of applications, such as:
• Sewage & Effluent Handling
• Construction Site Dewatering
• Ash Water and Slurry Handling
• Flood Water Management
• Basement and Parking Drainage
• Chemical and Industrial Fluid Transfer
• Ports, Marine & Cooling Water Supply
• Malls, Warehouses & Multi-storey Buildings

• Handling chemicals, effluents, sewage, ash-water
• Dewatering foundation, trenches and pits
• Flood water handling
• Pumping water from docks, ports, vessels
• Cooling water for marine engines and shovels
• Dewatering from basements, multi-storeys, shopping malls, godowns

🔍 Overview
The MSP Series Submersible Drainage Pump offers robust performance in a corrosion-proof design. Ideal for clean water applications where reliability and efficiency matter. Whether used for emergency drainage or routine sump pumping, this pump delivers dependable, maintenance-friendly service with the added safety of thermal protection and durable build.