TSURUMI Pump PN Series is a semi vortex pump, which is constructed of a vortex impeller and low height volute casing. The semi-vortex pump design with moderate solids passage provides efficient performance for versatile applications. Since the pump is made of special resin and stainless steel, it is corrosion-resistant and lightweight.

- Draining wastewater from residence, hotel, restaurant, etc.
- Pumping rainwater and springwater from basement
- Circulating water in waterscape garden ( e.g. waterfall, fountain, koi pond, etc )
Technical Specifications :
- Watertight Cable Entrance with Anti-wicking block.
- Permanently lubricated sealed ball bearings rated B-10 60,000 hours.
- Built in motor protection
- Continuous duty air filled copper wound highly efficient motor.
- Corrosion Resistant Stainless Steel Motor Casing
- Dual inside mechanical with Silicon Carbide vs. Ceramic bottom faces.
- Ball type air Relief valve
- Solids handling semi-vortex impeller
- 32Ft power cord
- Available in Automatic Operation (PNA) / Auto Alternating (PNW)
Major Components & Specifications
| Discharge Bore | mm | 40 | 50 | 80 | |
| Pumping Fluid | Type of Fluid | Wastewater and water carrying | |||
| Small Solid Matters | |||||
| Fluid Temperature | 0 to 400C | ||||
| Pump | Structure | Impeller | Vortex | ||
| Shaft Seal | Double Mechanical Seal ( with Oil Litter ) | ||||
| Bearing | Double-shielded Ball Bearing | ||||
| Materials | Casing | Glass-fiber Reinforced Resin | |||
| Shaft seal | Glass-fiber Reinforced Resin | ||||
| Silicon Carbide | |||||
| Motor | Type Pole | Dry-type Submersible | |||
| Induction motor, 2-pole | |||||
| Insulation | Class E | ||||
| Phase | Single-phase ( suffix “S” ) | ||||
| Three-phase | |||||
| Starting Method | Capacitor Run ( Single-phase only ) | ||||
| Direct on line | |||||
| Protection Device ( Built-in ) | Circle Thermal Protector | ||||
| Miniature Thermal Protector | |||||
| ( 40PN2.25S & 50PN2.4S only ) | |||||
| Lubricant | Liquid Paraffin ( ISO VG32 ) | ||||
| Materials | Frame | 304 Stainless Steel | |||
| 304 Stainless Steel | |||||
| Cable | PVC | ||||
| Discharge Connection | Screwed Flange |




