Description
Sulzer Centrifugal Submersible dewatering pumps Submersible drainage pump J 12 -Low-weight and compact design
Key Technical Specifications:
50hz:
| Electric submersible pump | J 12 |
| Maximum submergence | 20 m |
| Protection class | IP 68 |
| Max. temperature of pumped medium at max. power input and continuous duty | 40ºC |
| Max. media density | 1,100 kg/m3 |
| pH of the pumped medium | 5-8 |
| Strainer hole | 6.5 x 22 mm |
| Max number of starts | 30/hour |
| Motor rating P2 | 0.9 kW, 1.4 kW (110 V) |
| Speed | 2,770 rpm, 2,825 rpm (110 V) |
| Power cable | 20 m type H07RN8-F |
60hz:
| Electric submersible pump | J 12 |
| Maximum submergence | 20 m |
| Protection class | IP 68 |
| Max. temperature of pumped medium at max. power input and continuous duty | 40ºC |
| Max. media density | 1,100 kg/m3 |
| pH of the pumped medium | 5-8 |
| Strainer hole | 6.5 x 22 mm |
| Max number of starts | 30/hour |
| Motor rating P2 | 1.1 kW |
| Speed | 3,360 rpm (1~), 3,380 rpm (3~) |
| Power cable | 20 m type H07RN8-F |
Why Choose the Sulzer J 12 Submersible Drainage Pump?
The J 12 is a powerful and lightweight submersible pump designed for tough dewatering tasks in construction , mining , and emergency flood control. It delivers reliable performance in dirty water with sand or silt—without clogging or slowing down.
Key Technical Specs
Power Rating: 1.5 kW
Max Flow Rate: Up to 9.5 l/s
Max Head: Approx. 18–20 m
Solids Handling: Up to 7 mm
Weight: ~20 kg
Discharge Connection: 2″ hose/BSP/NPT options
What Makes It Stand Out
High-performance motor with built-in thermal protection
Slim , portable design fits tight spaces
Robust double mechanical seals extend lifespan
Corrosion- and abrasion-resistant components
Plug-and-play operation , no special tools needed
Typical Applications
Construction site drainage
Tunneling and mining dewatering
Emergency response and flood recovery
Drainage pits , manholes , and basements
Extra Features
Built-in air valve to prevent dry running
Continuous-duty rated
Optional float switch for automatic operation
Easy-to-carry handle and simple service design
