RW plunger pump
RW 18.20H N
Part number 22587
- 18Flow, l/min
- 200Pressure, bar
- 1450Speed, rpm
- 7.5Power, kW
50 Hz Rated at a motor speed for 50 Hz mains (UK, Europe, Africa, Australia, most of Asia).

Specification
- Flow
- 18 l/min
- Pressure
- 200 bar
- Speed
- 1450 rpm
- Absorbed power
- 7.5 kW
- Weight
- 14.5 kg
Kits
Plungers1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 2872 | Plunger kit, Ø18 mm |
Valves1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 42169 | Valve kit |
Oil seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 42170 | Oil seal kit |
Water seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 42171 | Water seal kit, Ø18 mm |
Other kits1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 42172 | Plunger guide kit, Ø18 mm |
Exploded view
Parts list
Positions are the balloon numbers on Annovi Reverberi's exploded view. A part with no number of its own comes in the kit shown beside it.
| Pos | Part number | Description | Qty | In kit |
|---|---|---|---|---|
| 1 | 2980100 | Screw TCEI M10x70 | 8 | |
| 2 | 650530 | Washer | 8 | |
| 3 | 2980020 | Head | 1 | |
| 3 | 2980110 | Head nickel-plated | 1 | |
| 4 | 180101 | O-ring Ø 17,5x2 | 1 | |
| 5 | 820361 | Plug 1/2" G brass | 1 | |
| 5 | 960870 | Plug 1/2" G nickel-plated | 1 | |
| 6 | 880830 | O-ring Ø 15,54x2,62 | 6 | KIT 42169 |
| 7 | 1389051 | Complete valve | 6 | KIT 42169 |
| 8 | 960160 | O-ring Ø 17,86x2,62 | 6 | |
| 9 | 960090 | Plug | 6 | |
| 9 | 1380740 | Plug | 6 | |
| 10 | 960110 | Ring Ø 18 | 3 | KIT 42171 |
| 11 | 1382740 | Water seal Ø 18 | 3 | KIT 42171 |
| 12 | 2340310 | Ring | 3 | KIT 42171 |
| 13 | 2980070 | Piston guide Ø 18 | 3 | KIT 42172 |
| 14 | 1942690 | Water seal | 3 | KIT 42171 |
| 15 | 1942480 | Piston guide Ø 18 | 3 | KIT 42172 |
| 16 | 820490 | O-ring Ø 34,65x1,78 | 3 | KIT 42171 |
| 17 | 1940560 | Ring | 3 | KIT 42170 |
| 18 | 1940370 | Foot | 2 | |
| 19 | 200231 | Washer | 4 | |
| 20 | 1940380 | Screw TCEI 10x18 | 4 | |
| 21 | 2989200 | Head assembly | 1 | |
| 21 | 2989201 | Head assembly nickel-plated | 1 | |
| 23 | 1941330 | Pump body | 1 | |
| 24 | 740290 | O-ring Ø 14x1,78 | 3 | |
| 25 | 1980740 | Plug 3/8" G brass | 2 | |
| 26 | 1941370 | Bearing | 1 | |
| 27 | 1941380 | O-ring Ø 66,34x2,62 | 1 | KIT 42170 |
| 28 | 1941240 | Support | 1 | |
| 29 | 850370 | Screw TCEI M8x16 | 4 | |
| 30 | 820680 | Ring | 1 | KIT 42170 |
| 31 | 1200430 | Screw TCEI M6x16 | 6 | |
| 32 | 1949010 | Cover | 1 | |
| 33 | 1940410 | O-ring Ø 132x3 | 1 | KIT 42170 |
| 34 | 1140370 | Plug | 1 | |
| 35 | 650250 | Key | 1 | |
| 36 | 2980040 | Shaft | 1 | |
| 37 | 2980010 | Connecting-rod | 3 | |
| 38 | 1140420 | Bearing | 1 | |
| 39 | 1940060 | Hub pin | 3 | |
| 40 | 1941380 | O-ring Ø 66,34x2,62 | 1 | KIT 42170 |
| 41 | 1941390 | Shim 0.05 mm | ||
| 41 | 1941400 | Shim 0.10 mm | ||
| 41 | 1941410 | Shim 0.19 mm | ||
| 41 | 1941420 | Shim 0.25 mm | ||
| 42 | 1949011 | Cover | 1 | |
| 43 | 850370 | Screw TCEI M8x16 | 4 | |
| 44 | 1940960 | Piston | 3 | |
| 45 | 1383190 | Plate | 3 | |
| 46 | 1941020 | Piston Ø 18 | 3 | KIT 2872 |
| 47 | 1340600 | Washer | 3 | |
| 48 | 1941640 | Screw TE M6x60 | 3 | |
| 49 | 1260430 | Ring | 1 | |
| 50 | 1780690 | Plate | 1 | |
| 51 | 1260250 | Level gauge | 1 | |
| 52 | 1140450 | O-ring Ø 20,24x2,62 | 1 | |
| 53 | 100410 | O-ring Ø 34,6x2,62 | 1 | |
| 54 | 1941270 | Level gauge | 1 | |
| 55 | 1941260 | Plate | 1 | |
| 56 | 1941290 | Ring | 1 | |
| 57 | 1980740 | Plug 3/8" G brass | 1 | |
| 57 | 1981180 | Plug 3/8" G nickel-plated | 1 | |
| 58 | 880581 | Plug 1/4" G | 1 | |
| 58 | 1380690 | Plug 1/4" G nickel-plated | 1 | |
| 59 | 820510 | O-ring Ø 10,82x1,78 | 1 |
Motor
A 4-pole motor of at least 7.5 kW drives this pump at 1450 rpm.
| Motor | kW | rpm | Frame | Class | A at 400 V | Suppliers |
|---|---|---|---|---|---|---|
| RNE 132Ma4 | 7.5 | 1465 | IEC 132M | IE3 | 15.3 | |
| RN 132Ma4 | 7.5 | 1440 | IEC 132M | IE1 | 15.3 |
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 132, 38 mm shaft (RNE 132Ma4, RN 132Ma4) No Annovi Reverberi flange listed for this motor.
Coupling
The flexible coupling joins the motor shaft to the pump shaft inside the flange.
- IEC 132, 38 mm motor shaft No Annovi Reverberi coupling listed: you need one for a 38 mm motor shaft to the pump shaft.