Tsurumi 50PU2.75S Submersible Vortex Sewage Pump – 50PU2.75S
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The 50PU2.75S is a submersible vortex pump from Tsurumi's PU series, designed for raw sewage, wastewater, and liquids carrying solid matters. Rated at 0.75 kW with a 50 mm discharge bore, this single-phase model features a vortex impeller made of glass-fiber reinforced PPO providing practically unchokable operation in sewage pumping. The pump is constructed from resin and 304 stainless steel, offering excellent corrosion-resistance. Liquid paraffin is used as the lubricating oil, making it safe for use in fishponds, aquaculture, and other water-sensitive applications. The pump is equipped with a circle thermal protector built into the motor housing, dual mechanical seals (Upper: Ceramic + Carbon, Lower: SiC + Ceramic) with an oil lifter, and an anti-wicking cable entry system. The discharge connection is a threaded oval flange. This 50 Hz unit delivers dependable wastewater transfer for a wide range of applications.
Suitable Applications
- Equalization tanks
- Wastewater measuring tanks
- Septic tanks and sewage treatment plants
- Construction wastewater drainage
- Water transfer
- Waterscapes, ponds, aquariums, and fish farms
Key Specifications
| Product Name | Tsurumi 50PU2.75S |
| Product Number | 50PU2.75S |
| Pump Type | Submersible Vortex Sewage Pump |
| Discharge Bore | 50 mm |
| Connection | Threaded Oval Flange |
| Motor Power (P2) | 0.75 kW |
| Phase | Single-phase |
| Speed | 3000 min⁻¹ (50 Hz) |
| Starting Method | Capacitor Run |
| Solids Passage | 35 mm |
| Impeller Material | Glass-fiber reinforced PPO (vortex) |
| Shaft Material | 304 stainless steel |
| Shaft Seal | Dual mechanical seal (Upper: Ceramic + Carbon, Lower: SiC + Ceramic) with oil lifter |
| Lubricating Oil | Liquid Paraffin (ISO VG32), 240 ml |
| Motor Protection | Circle thermal protector (built in motor housing) |
| Insulation Class | E |
| Enclosure Class | IP68 |
| Voltage | 220-240 V |
| Frequency | 50 Hz |
| Rated Current | 5.3 – 5.5 A |
| Power Cable | PVC sheath, 1 × 3 × 1.25mm², O.D. 10.1mm, Length: 5m |
| Liquid Temperature Range | 0 to 40°C |
| Dry Weight (excluding cable) | 8.9 kg |
Documentation & Downloads
| VANCS PU / PN / TM Series Specification | Download |
| PU Series Product Guide | Download |