Design Pumps
Self-priming multistage centrifugal pumps
Application Pumps
- Pumping water from wells
- Filling, pumping empty, transferring by pumping, irrigation and sprinkling
- As emergency pumps for overflows
Type key Pumps
| Example: | WJ-203-X-EM |
| WJ | Wilo jet pumps |
| 2 | Nominal flow rate Q in m³/h at optimum efficiency |
| 03 | Index for pump pressure (02 < 03 < 04), version 03 with higher pressure than version 02 (no indication of number of impellers) |
| x | Version without carrying frame |
| [Space] | Portable version with carrying frame |
| EM | Single-phase current, 1~230 V, 50 Hz |
| DM | Three-phase current, 3~230/400 V, 50 Hz |
Special features/product advantages
- Ideal for portable outdoor applications (hobby, garden)
Technical data Pumps
- Mains connection 1~230 V, 50 Hz or 3~400 V, 50 Hz
- Inlet pressure max 2 bar
- Fluid temperature max. +5 °C to +35 °C
- Max. operating pressure 6 bar
- Protection class IP 44
- Suction- and pressure-side connection G 1
Equipment/function Pumps
- With or without carrying handle, depending on version
- For single-phase motor (1~230V): connecting cable with plug; On/Off switch; Thermal motor protection switch
Materials Pumps
- Pumps housing stainless steel 1.4301
- Impeller made of 1.4301 stainless steel
- Shaft made of 1.4005 stainless steel
- Mechanical seal made of ceramic/carbon
- Diffuser/injector made of Noryl
- Seals made of NBR
Scope of delivery Pumps
- Pump
- With or without carrying handle, depending on version
- Installation and operating instructions
Accessories Pumps
- Automatic pressure switching: Fluid control
- Suction/pressure hose 1″ (1.5 to 15 m version)
- Foot valve
