RX plunger pump
RX 2340
Part number 18.2003.97.3
- 22Flow, l/min
- 400Pressure, bar
- 1450Speed, rpm
- 17.4Power, kW
50 Hz Rated at a motor speed for 50 Hz mains (UK, Europe, Africa, Australia, most of Asia).

Specification
- Flow
- 22 l/min
- Pressure
- 400 bar
- Speed
- 1450 rpm
- Absorbed power
- 17.4 kW
- Max water temperature
- 74 °C
- Plunger
- 22 mm
- Shaft
- Solid, Ø30 mm
- Inlet
- 1” BSP
- Outlet
- 1/2 BSP
- Weight
- 23 kg
- Oil
- 1.5 litres, SAE 75 - W 90
Kits
Oil seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 089816973 | Radial ring kit 146 |
Water seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 189813973 | Seal kit 337, Ø22 mm plungers |
Valves1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 189817973 | Valve kit 363 |
Parts list
For parts not covered by the kits above, ask a supplier and quote the model RX 2340 and part number 18.2003.97.3.
Motor
A 4-pole motor of at least 17.4 kW drives this pump at 1450 rpm.
| Motor | kW | rpm | Frame | Class | A at 400 V | Suppliers |
|---|---|---|---|---|---|---|
| RN 180Ma4 | 18.5 | 1465 | IEC 180M | IE1 | 37 | |
| RN 160Lb4 uprated | 18.5 | 1420 | IEC 160L | IE1 | 38 |
The contactor and overload relay for each motor are on the motor's page.
Flange
The flange bolts the pump to the face of the motor. It depends on the motor's IEC frame.
- IEC 160, 42 mm shaft (RN 160Lb4) No Bertolini flange listed for this motor.
- IEC 180, 48 mm shaft (RN 180Ma4) No Bertolini flange listed for this motor.
Coupling
The flexible coupling joins the motor shaft to the pump shaft inside the flange.
- IEC 160, 42 mm motor shaft No Bertolini coupling listed: you need one for a 42 mm motor shaft to 30 mm pump shaft.
- IEC 180, 48 mm motor shaft No Bertolini coupling listed: you need one for a 48 mm motor shaft to 30 mm pump shaft.