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Mains Units

XWA plunger pump

XWA 4G20 N code 20781

Part number 20781

  • 15.1Flow, l/min
  • 140Pressure, bar
  • 1750Speed, rpm
  • 4Power, kW

60 Hz Rated at a motor speed for 60 Hz mains (North America, parts of South America and Asia).

Annovi Reverberi XWA pump

Specification

Flow
15.1 l/min
Pressure
140 bar
Speed
1750 rpm
Absorbed power
4 kW
Weight
16 kg

Exploded view (PDF, Annovi Reverberi)

Kits

Plungers1

Part numberDescriptionPer pumpSuppliers
KIT 2650Plunger kit, Ø20 mm 

Valves1

Part numberDescriptionPer pumpSuppliers
KIT 2780Valve kit 

Water seals1

Part numberDescriptionPer pumpSuppliers
KIT 2782Water seal kit, Ø20 mm 

Other kits1

Part numberDescriptionPer pumpSuppliers
KIT 2784Plunger guide kit, Ø20 mm 

Oil seals1

Part numberDescriptionPer pumpSuppliers
KIT 2873Oil seal kit 

Exploded view

Annovi Reverberi exploded view of the XWA pump, with position numbers
Annovi Reverberi's drawing. The numbers match the positions in the parts list below. Open the picture to zoom in.

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.

PosPart numberDescriptionQtyIn kit
1 1940260 Screw TCEI M10x808
2 650530 Washer8
3 1940140 Plug6
4 1940150 Ring6
5 1140450 O-ring Ø 20,24x2,6212 KIT 2780
6 1949050 Complete valve6 KIT 2780
7 1940021 Head1
8 550350 O-ring Ø 23,811
9 1140300 Plug 3/4" G1
10 1980740 Plug 3/8" G brass3
11 740290 O-ring Ø 14x1,783
12 1940440 Gasket Ø 203 KIT 2782
13 1940430 Piston guide Ø 203 KIT 2784
14 1940470 Gasket Ø 203 KIT 2782
15 1940450 Piston guide Ø 203 KIT 2784
16 820490 O-ring Ø 34,65x1,783 KIT 2782
17 1940570 Nut3
18 1940580 Washer3
19 1420430 Piston Ø 203 KIT 2650
20 880840 O-ring Ø 9,25x1,783
21 960460 Plate3
22 1940120 Ring3
23 1940070 Piston3
24 1940060 Hub pin3
25 1941380 O-ring Ø 66,34x2,622 KIT 2873
26 1941390 Shim 0.05 mm
26 1941400 Shim 0.10 mm
26 1941410 Shim 0.19 mm
26 1941420 Shim 0.25 mm
27 1949011 Cover1
28 850370 Screw TCEI M8x168
29 1140410 Bearing2
30 1940051 Connecting-rod3
32 650250 Key1
33 1941330 Pump body1
34 1140370 Plug1
35 1260250 Level gauge1
36 1260430 Ring1
37 1940410 O-ring Ø 132x31 KIT 2873
38 1200430 Screw TCEI M6x166
39 1949010 Cover1
40 1780690 Plate1
41 1140450 O-ring Ø 20,24x2,621
42 820680 Ring1 KIT 2873
43 1940560 Ring3 KIT 2873
44 1940370 Foot2
45 1940380 Screw TCEI 10x184
46 200231 Washer4
47 1941240 Support1
51 1941220 Gasket Ø 223 KIT 2782
60 1949202 Head assembly1
75 1941270 Level gauge1
76 100410 O-ring Ø 34,6x2,621
77 1941260 Plate1
78 1941290 Ring1
82 1980740 Plug 3/8" G brass2
82 20781 20182 cod.
82 20354 20063 cod.

Motor

Rated at 1750 rpm, the speed of a 4-pole motor on a 60 Hz supply. The motors below are listed with their 50 Hz figures and are at least 4 kW. Order the one you pick wound for 60 Hz and your supply voltage.

MotorkWrpmFrameClassA at 400 VSuppliers
RNE 112a4 41450IEC 112IE38.2  
RN 112a4 41430IEC 112IE18.5  
RN 100c4 uprated 41405IEC 100IE19.1  
RNM 112d4 41400IEC 112Single-phase22 at 230 V  

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 100, 28 mm shaft (RN 100c4) No Annovi Reverberi flange listed for this motor.
  • IEC 112, 28 mm shaft (RNE 112a4, RN 112a4, RNM 112d4) No Annovi Reverberi flange listed for this motor.

Coupling

The flexible coupling joins the motor shaft to the pump shaft inside the flange.

  • IEC 100, 28 mm motor shaft No Annovi Reverberi coupling listed: you need one for a 28 mm motor shaft to the pump shaft.
  • IEC 112, 28 mm motor shaft No Annovi Reverberi coupling listed: you need one for a 28 mm motor shaft to the pump shaft.

Other Annovi Reverberi XWA pumps

XWA 4G30 NXWA 5.5G22 N code 20180XWA 5.5G30 N code 20061XWA 5.5G40 N code 21138XWA 7G22 NXWA 7G32 N code 20062XWA 7G35 N code 21139XWA 7G40 N code 21140XWA 8G19 N code 20182XWA 8G29 N code 20063XWA 8G35 N code 21141XWA 9G16 NXWA 9G24 N code 20064XWA 9G30 N