SXW plunger pump
SXW 21.35 N code 20808
Part number 20808
- 21Flow, l/min
- 350Pressure, bar
- 1450Speed, rpm
- 18Power, kW
50 Hz Rated at a motor speed for 50 Hz mains (UK, Europe, Africa, Australia, most of Asia).

Specification
- Flow
- 21 l/min
- Pressure
- 350 bar
- Speed
- 1450 rpm
- Absorbed power
- 18 kW
- Weight
- 16 kg
Kits
No kits are listed for this model. A supplier can look them up from the model SXW 21.35 N code 20808.
Parts list
For parts not covered by the kits above, ask a supplier and quote the model SXW 21.35 N code 20808 and part number 20808.
Motor
A 4-pole motor of at least 18 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 Annovi Reverberi flange listed for this motor.
- IEC 180, 48 mm shaft (RN 180Ma4) No Annovi Reverberi 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 Annovi Reverberi coupling listed: you need one for a 42 mm motor shaft to the pump shaft.
- IEC 180, 48 mm motor shaft No Annovi Reverberi coupling listed: you need one for a 48 mm motor shaft to the pump shaft.
Other Annovi Reverberi SXW pumps
SXW 15.35 N code 20807SXW 17.35 NSXW 19.30 NSXW 21.28 N code 20930SXW 21.35 N+F60