CWX plunger pump
CWX 18.10 N code 20473
Part number 20473
- 18Flow, l/min
- 100Pressure, bar
- 1200Speed, rpm
- 3.6Power, kW
60 Hz Rated at a motor speed for 60 Hz mains (North America, parts of South America and Asia).

Specification
- Flow
- 18 l/min
- Pressure
- 100 bar
- Speed
- 1200 rpm
- Absorbed power
- 3.6 kW
- Weight
- 16 kg
Kits
Plungers1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 2650 | Plunger kit, Ø20 mm |
Valves1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 2780 | Valve kit |
Water seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 2782 | Water seal kit, Ø20 mm |
Other kits1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 2784 | Plunger guide kit, Ø20 mm |
Oil seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 2873 | Oil seal kit |
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 | 1941360 | Screw TCEI M10x80 | 8 | |
| 2 | 650530 | Washer | 8 | |
| 3 | 1941790 | Plug nickel-plated | 6 | |
| 4 | 1940150 | Ring | 6 | |
| 5 | 1140450 | O-ring Ø 20,24x2,62 | 12 | KIT 2780 |
| 6 | 1949050 | Complete valve | 6 | KIT 2780 |
| 7 | 1941770 | Head | 1 | |
| 8 | 550350 | O-ring Ø 23,81x2,62 | 1 | |
| 9 | 1140480 | Plug 3/4” G nickel-plated | 1 | |
| 10 | 1981180 | Plug 3/8" G nickel-plated | 3 | |
| 11 | 740290 | O-ring Ø 14x1,78 | 3 | |
| 12 | 1940440 | Gasket Ø 20 | 3 | KIT 2782 |
| 13 | 1940430 | Piston guide Ø 20 | 3 | KIT 2784 |
| 14 | 1941220 | Gasket Ø 22 | 3 | KIT 2782 |
| 15 | 1940470 | Gasket Ø 20 | 3 | KIT 2782 |
| 16 | 1940450 | Piston guide Ø 20 | 3 | KIT 2784 |
| 17 | 820490 | O-ring Ø 34,65x1,78 | 3 | KIT 2782 |
| 18 | 1940560 | Ring | 3 | KIT 2873 |
| 19 | 1941330 | Pump body | 1 | |
| 20 | 1140370 | Plug | 1 | |
| 21 | 650250 | Key | 1 | |
| 22 | 1940180 | Shaft | 1 | |
| 23 | 1940051 | Connecting-rod | 3 | |
| 24 | 1940060 | Pin | 3 | |
| 25 | 1140410 | Bearing | 2 | |
| 26 | 1941380 | O-ring Ø 66,34x2,62 | 2 | KIT 2873 |
| 27 | 1941390 | Shim 0.05 mm | ||
| 27 | 1941400 | Shim 0.10 mm | ||
| 27 | 1941410 | Shim 0.19 mm | ||
| 27 | 1941420 | Shim 0.25 mm | ||
| 28 | 1941290 | Ring | 1 | |
| 29 | 1941260 | Plate | 1 | |
| 30 | 1941270 | Level gauge | 1 | |
| 31 | 100410 | O-ring Ø 34,6x2,62 | 1 | |
| 32 | 1949011 | Cover | 1 | |
| 33 | 850370 | Screw TCEI M8x16 | 8 | |
| 34 | 1940070 | Piston | 3 | |
| 35 | 1940120 | Ring | 3 | |
| 36 | 880840 | O-ring Ø 9,25x1,78 | 3 | |
| 37 | 960460 | Plate | 3 | |
| 38 | 1420430 | Piston Ø 20 | 3 | KIT 2650 |
| 39 | 1940580 | Washer | 3 | |
| 40 | 1940570 | Nut | 3 | |
| 41 | 1940410 | O-ring Ø 132x3 | 1 | KIT 2873 |
| 42 | 1260430 | Ring | 1 | |
| 43 | 1780690 | Plate | 1 | |
| 44 | 1260250 | Level gauge | 1 | |
| 45 | 1140450 | O-ring Ø 20,24x2,62 | 1 | |
| 46 | 1949010 | Cover | 1 | |
| 47 | 1200430 | Screw TCEI M6x16 | 6 | |
| 48 | 1940370 | Foot | 2 | |
| 49 | 200231 | Washer | 4 | |
| 50 | 1940380 | Screw TCEI 10x18 | 4 | |
| 51 | 1941240 | Support | 1 | |
| 52 | 820680 | Ring | 1 | KIT 2873 |
| 53 | 1949206 | Head assembly | 1 |
Motor
Rated at 1200 rpm, the speed of a 6-pole motor on a 60 Hz supply. The motors below are listed with their 50 Hz figures and are at least 3.6 kW. Order the one you pick wound for 60 Hz and your supply voltage.
| Motor | kW | rpm | Frame | Class | A at 400 V | Suppliers |
|---|---|---|---|---|---|---|
| RN 132Ma6 | 4 | 950 | IEC 132M | IE1 | 9.7 |
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 (RN 132Ma6) 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.