Categories: Submersible Pumps

BJ4 Submersible Pump

Compact BJ4 series submersible pumps.

BJ4 multistage submersible electric pumps for boreholes and wells. Designed for pumping clean water in domestic, agricultural, and industrial applications. They feature floating impellers that ensure high resistance to sand and extended service life. Equipped with an integrated non-return valve in the discharge head.

Applications

  • Water abstraction from boreholes, reservoirs and water courses.
  • Domestic water supply.
  • Agricultural irrigation and gardens.
  • Hydropneumatic systems.

Technical Data

Type Multistage centrifugal pump
Material Noryl or Polycarbonate impellers
Installation Vertical / Horizontal
Diameter 4" (~98mm)
Sand Fighter® Up to 150g/m³

Voltage 230 V (1~) / 400 V (3~)
Max Temperature 35° C
Starts/Hour Maximum 20 starts per hour
Discharge 1" 1/4 - 2"

List of Materials
Pos. Description
1 Pin
2 Screw
3 Clamp
4 Cable guard
5 Protection rubber
6 Nut
7 Tie rod
8 Support hook
9 Upper support / Discharge head
10 Valve guide
11 Valve
12 O'ring
13 Valve seat
14 Circlip/Snap ring
15 Washer
16 Upper guide bushing
17 Upper guide
18 Upper guide ring
19 Diffuser
20 Diffuser ring
21 Impellers
22 Diffuser cover
23 Bushing
24 Central guide bushing
25 Central guide
26 Central guide ring
27 Lower bushing
28 Suction chamber
29 Coupling
30 Screw
31 Pump shaft

Model kW BJ (kg) FM (kg) FT (kg)
41 08 0.25 3.2 10.8
41 13 0.37 4.2 12.4 11.1
41 18 0.55 5.4 14.8 13.3
41 23 0.75 6.3 16.9 15.2
41 35 1.1 9 21 19.4
41 45 1.5 11.9 25.2 23.5
41 65 2.2 16.2 33.9 31.5

Model kW BJ (kg) FM (kg) FT (kg)
41.5 07 0.25 3.2 10.8
41.5 09 0.37 3.6 11.8 11
41.5 15 0.55 4.3 13.7 12.2
41.5 19 0.75 5.6 16.2 14.5
41.5 29 1.1 7.6 19.6 18
41.5 38 1.5 9.7 22.8 21.1
41.5 58 2.2 14.5 32.2 29.9
41.5 74 3 17.7 35.1

Model kW BJ (kg) FM (kg) FT (kg)
42 07 0.37 3.9 11.4 10.6
42 11 0.55 3.9 13.3 11.8
42 14 0.75 4.2 14.8 13.3
42 21 1.1 6.2 18.2 16.6
42 27 1.5 7.1 20.2 18.5
42 39 2.2 10 27.5 22.8
42 50 3 13 30.4
42 70 4 17.9 38.1

Model kW BJ (kg) FM (kg) FT (kg)
43 06 0.37 3.2 11.4 10.6
43 09 0.55 3.8 13.2 11.7
43 12 0.75 4.5 15.1 13.4
43 18 1.1 6 18 16.4
43 24 1.5 8.5 21.6 19.9
43 35 2.2 10 27.5 22.8
43 47 3 12.8 30.2
43 60 4 16.8 37.2
43 78 5.5 21 48

Model kW BJ (kg) FM (kg) FT (kg)
44 05 0.37 3 11.2 10.4
44 07 0.55 3.4 12.8 11.3
44 09 0.75 3.8 14.4 12.7
44 14 1.1 4.9 16.9 15.3
44 18 1.5 6 19.1 17.4
44 26 2.2 7.7 25.2 20.5
44 35 3 10 27.2
44 47 4 13 33.4
44 60 5.5 16 43
44 78 7.5 20.2 51.2

Model kW BJ (kg) FM (kg) FT (kg)
46 04 0.55 2.9 12.3 10.8
46 06 0.75 3.5 14.1 12.4
46 09 1.1 4.5 16.5 14.9
46 12 1.5 5.5 18.6 16.9
46 17 2.2 6.8 24.3 19.6
46 23 3 8.7 25.9
46 31 4 11.2 31.6
46 42 5.5 14.3 41.3
46 59 7.5 20.1 51.1

Model kW BJ (kg) FM (kg) FT (kg)
48 04 0.75 3 13.6 11.9
48 07 1.1 3.6 15.6 14
48 09 1.5 4.3 17.4 15.7
48 13 2.2 5.7 23.2 18.5
48 17 3 6.8 22
48 23 4 8.5 28.7
48 31 5.5 11 38
48 42 7.5 14.2 45.2

Model kW BJ (kg) FM (kg) FT (kg)
410 05 1.1 4.1 16.1 14.5
410 07 1.5 5 18.1 16.4
410 10 2.2 6.5 24 19.3
410 15 3 9 24.2
410 20 4 11.7 32.1
410 26 5.5 14 41
410 35 7.5 18 49

Model kW BJ (kg) FM (kg) FT (kg)
412 04 1.1 3.7 15.7 14.1
412 06 1.5 4.5 17.6 15.9
412 09 2.2 6.1 23.6 18.9
412 12 3 7.4 22.6
412 16 4 9.4 29.8
412 22 5.5 12.4 39.4
412 29 7.5 15.5 46.5

Model kW BJ (kg) FM (kg) FT (kg)
415 05 1.5 4 17.1 15.4
415 08 2.2 5.3 22.8 18.1
415 10 3 6.5 21.7
415 14 4 8.5 28.7
415 18 5.5 10.8 37.8
415 25 7.5 14.2 45.2

Q–H performance chart. Each curve represents a model.

Select a model in the following table to highlight its corresponding curve. The table contains the same values as the chart.

Select a model to highlight its corresponding curve.

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Model Motor Details H (m) · Q (m³/h)
kWHPAmp (1~/3~) 00.61.21.8
0,25 0,33 45,0 39,0 29,0 15,0
0,37 0,50 73,0 64,0 47,0 24,0
0,55 0,75 101,0 88,0 65,0 33,0
0,75 1,00 129,0 112,0 83,0 42,0
1,10 1,50 196,0 171,0 126,0 65,0
1,50 2,00 252,0 220,0 162,0 83,0
2,20 3,00 364,0 318,0 234,0 120,0

Q–H performance chart. Each curve represents a model.

Select a model in the following table to highlight its corresponding curve. The table contains the same values as the chart.

Select a model to highlight its corresponding curve.

Scroll horizontally to view all values. The “Model” column remains visible.

Model Motor Details H (m) · Q (m³/h)
kWHPAmp (1~/3~) 00.61.21.82.4
0,25 0,33 44,0 40,0 34,0 25,0 15,0
0,37 0,50 56,0 51,0 43,0 33,0 19,0
0,55 0,75 94,0 85,0 72,0 55,0 32,0
0,75 1,00 119,0 107,0 91,0 69,0 40,0
1,10 1,50 181,0 164,0 140,0 106,0 61,0
1,50 2,00 237,0 215,0 183,0 138,0 79,0
2,20 3,00 362,0 328,0 279,0 211,0 120,0
3,00 4,00 462,0 418,0 356,0 269,0 151,0

Q–H performance chart. Each curve represents a model.

Select a model in the following table to highlight its corresponding curve. The table contains the same values as the chart.

Select a model to highlight its corresponding curve.

Scroll horizontally to view all values. The “Model” column remains visible.

Model Motor Details H (m) · Q (m³/h)
kWHPAmp (1~/3~) 00.61.21.82.433.6
0,37 0,50 45,0 43,0 40,0 36,0 31,0 24,0 16,0
0,55 0,75 71,0 68,0 63,0 57,0 49,0 39,0 25,0
0,75 1,00 90,0 86,0 80,0 72,0 62,0 49,0 31,0
1,10 1,50 135,0 129,0 120,0 108,0 93,0 73,0 47,0
1,50 2,00 173,0 166,0 154,0 139,0 120,0 93,0 60,0
2,20 3,00 250,0 240,0 223,0 201,0 173,0 135,0 86,0
3,00 4,00 321,0 307,0 286,0 257,0 221,0 173,0 111,0
3,70 5,00 411,0 393,0 366,0 329,0 283,0 221,0 142,0
4,00 5,50 450,0 430,0 400,0 360,0 310,0 242,0 155,0

Q–H performance chart. Each curve represents a model.

Select a model in the following table to highlight its corresponding curve. The table contains the same values as the chart.

Select a model to highlight its corresponding curve.

Scroll horizontally to view all values. The “Model” column remains visible.

Model Motor Details H (m) · Q (m³/h)
kWHPAmp (1~/3~) 00.61.21.82.433.64.24.8
0,37 0,50 40,0 36,0 34,0 31,0 27,0 22,0 16,0 9,0
0,55 0,75 60,0 54,0 50,0 47,0 41,0 34,0 24,0 14,0
0,75 1,00 80,0 72,0 67,0 62,0 55,0 45,0 32,0 19,0
1,10 1,50 120,0 108,0 101,0 93,0 82,0 67,0 48,0 28,0
1,50 2,00 160,0 144,0 134,0 124,0 110,0 90,0 65,0 38,0
2,20 3,00 234,0 210,0 196,0 181,0 160,0 131,0 94,0 55,0
3,00 4,00 314,0 282,0 263,0 243,0 215,0 176,0 127,0 74,0
3,70 5,00 367,0 330,0 307,0 285,0 251,0 206,0 148,0 87,0
4,00 5,50 401,0 360,0 335,0 311,0 274,0 225,0 162,0 95,0
5,50 7,50 521,0 468,0 436,0 404,0 356,0 292,0 210,0 123,0

Q–H performance chart. Each curve represents a model.

Select a model in the following table to highlight its corresponding curve. The table contains the same values as the chart.

Select a model to highlight its corresponding curve.

Scroll horizontally to view all values. The “Model” column remains visible.

Model Motor Details H (m) · Q (m³/h)
kWHPAmp (1~/3~) 00.61.21.82.433.64.24.85.46
0,37 0,50 33,0 32,0 31,0 29,0 27,0 25,0 23,0 19,0 16,0 12,0
0,55 0,75 46,0 44,0 43,0 41,0 38,0 36,0 32,0 27,0 22,0 17,0
0,75 1,00 60,0 57,0 55,0 53,0 49,0 46,0 41,0 35,0 28,0 21,0
1,10 1,50 93,0 89,0 86,0 83,0 77,0 71,0 64,0 54,0 44,0 33,0
1,50 2,00 119,0 114,0 110,0 106,0 99,0 91,0 82,0 70,0 56,0 42,0
2,20 3,00 172,0 165,0 159,0 153,0 143,0 132,0 119,0 101,0 81,0 61,0
3,00 4,00 232,0 222,0 214,0 206,0 192,0 178,0 160,0 136,0 109,0 83,0
3,70 5,00 284,0 273,0 263,0 254,0 236,0 218,0 196,0 166,0 135,0 101,0
4,00 5,50 311,0 298,0 287,0 277,0 258,0 239,0 215,0 182,0 147,0 111,0
5,50 7,50 397,0 381,0 367,0 354,0 329,0 305,0 274,0 232,0 188,0 142,0
7,50 10,00 516,0 495,0 477,0 460,0 428,0 396,0 356,0 302,0 244,0 184,0

Q–H performance chart. Each curve represents a model.

Select a model in the following table to highlight its corresponding curve. The table contains the same values as the chart.

Select a model to highlight its corresponding curve.

Scroll horizontally to view all values. The “Model” column remains visible.

Model Motor Details H (m) · Q (m³/h)
kWHPAmp (1~/3~) 00.61.21.82.433.64.24.85.467.28.49.6
0,55 0,75 27,0 25,0 25,0 24,0 23,0 22,0 21,0 20,0 17,0 13,0 9,0
0,75 1,00 40,0 38,0 37,0 36,0 35,0 33,0 31,0 29,0 25,0 20,0 14,0
1,10 1,50 60,0 57,0 56,0 54,0 52,0 50,0 47,0 44,0 38,0 30,0 20,0
1,50 2,00 80,0 76,0 74,0 72,0 69,0 66,0 62,0 59,0 50,0 39,0 27,0
2,20 3,00 114,0 108,0 105,0 102,0 98,0 94,0 88,0 83,0 71,0 56,0 38,0
3,00 4,00 154,0 146,0 142,0 138,0 133,0 127,0 119,0 112,0 96,0 76,0 52,0
3,70 5,00 187,0 178,0 173,0 168,0 161,0 154,0 145,0 137,0 117,0 92,0 63,0
4,00 5,50 207,0 197,0 192,0 186,0 179,0 171,0 161,0 151,0 129,0 102,0 70,0
5,50 7,50 281,0 267,0 260,0 252,0 242,0 231,0 218,0 205,0 175,0 138,0 95,0
7,50 10,00 395,0 375,0 365,0 354,0 340,0 325,0 306,0 288,0 246,0 194,0 133,0

Q–H performance chart. Each curve represents a model.

Select a model in the following table to highlight its corresponding curve. The table contains the same values as the chart.

Select a model to highlight its corresponding curve.

Scroll horizontally to view all values. The “Model” column remains visible.

Model Motor Details H (m) · Q (m³/h)
kWHPAmp (1~/3~) 00.61.21.82.433.64.24.85.467.28.49.610.812
0,75 1,00 27,0 26,0 26,0 25,0 25,0 24,0 23,0 22,0 19,0 16,0 13,0 8,0
1,10 1,50 47,0 46,0 45,0 45,0 44,0 43,0 41,0 38,0 33,0 28,0 22,0 15,0
1,50 2,00 61,0 59,0 58,0 57,0 56,0 55,0 53,0 49,0 43,0 36,0 29,0 19,0
2,20 3,00 88,0 85,0 84,0 83,0 81,0 79,0 76,0 70,0 62,0 53,0 41,0 27,0
3,00 4,00 115,0 111,0 110,0 108,0 106,0 103,0 100,0 92,0 81,0 69,0 54,0 36,0
3,70 5,00 142,0 137,0 135,0 133,0 131,0 128,0 123,0 114,0 100,0 85,0 67,0 44,0
4,00 5,50 156,0 150,0 148,0 146,0 143,0 140,0 135,0 124,0 110,0 93,0 73,0 48,0
5,50 7,50 210,0 202,0 200,0 197,0 193,0 188,0 182,0 168,0 148,0 125,0 98,0 65,0
7,50 10,00 284,0 273,0 271,0 268,0 262,0 255,0 247,0 227,0 200,0 170,0 133,0 88,0

Q–H performance chart. Each curve represents a model.

Select a model in the following table to highlight its corresponding curve. The table contains the same values as the chart.

Select a model to highlight its corresponding curve.

Scroll horizontally to view all values. The “Model” column remains visible.

Model Motor Details H (m) · Q (m³/h)
kWHPAmp (1~/3~) 00.61.21.82.433.64.24.85.467.28.49.610.81215
1,10 1,50 33,0 30,0 30,0 29,0 29,0 28,0 27,0 25,0 23,0 20,0 18,0 10,0
1,50 2,00 47,0 43,0 42,0 41,0 40,0 39,0 38,0 35,0 32,0 29,0 25,0 15,0
2,20 3,00 67,0 61,0 60,0 59,0 57,0 56,0 54,0 50,0 46,0 41,0 36,0 21,0
3,00 4,00 100,0 91,0 90,0 88,0 86,0 84,0 81,0 75,0 69,0 61,0 54,0 31,0
3,70 5,00 120,0 110,0 108,0 106,0 103,0 101,0 98,0 90,0 82,0 74,0 64,0 38,0
4,00 5,50 133,0 122,0 119,0 117,0 115,0 113,0 107,0 100,0 91,0 82,0 71,0 42,0
5,50 7,50 173,0 158,0 155,0 152,0 149,0 146,0 140,0 130,0 119,0 106,0 93,0 54,0
7,50 10,00 233,0 213,0 209,0 205,0 201,0 197,0 188,0 175,0 160,0 143,0 125,0 73,0

Q–H performance chart. Each curve represents a model.

Select a model in the following table to highlight its corresponding curve. The table contains the same values as the chart.

Select a model to highlight its corresponding curve.

Scroll horizontally to view all values. The “Model” column remains visible.

Model Motor Details H (m) · Q (m³/h)
kWHPAmp (1~/3~) 00.61.21.82.433.64.24.85.467.28.49.610.8121518
1,10 1,50 26,0 24,0 24,0 23,0 23,0 22,0 20,0 19,0 17,0 13,0 8,0
1,50 2,00 39,0 36,0 36,0 35,0 34,0 32,0 30,0 28,0 26,0 19,0 12,0
2,20 3,00 58,0 54,0 53,0 53,0 51,0 48,0 46,0 42,0 39,0 29,0 18,0
3,00 4,00 77,0 72,0 71,0 70,0 68,0 65,0 61,0 56,0 52,0 39,0 24,0
3,70 5,00 90,0 86,0 84,0 83,0 80,0 77,0 72,0 67,0 60,0 45,0 28,0
4,00 5,50 103,0 96,0 95,0 94,0 90,0 86,0 81,0 75,0 69,0 52,0 32,0
5,50 7,50 142,0 132,0 130,0 129,0 124,0 118,0 112,0 103,0 95,0 71,0 44,0
7,50 10,00 187,0 174,0 172,0 170,0 164,0 156,0 147,0 136,0 125,0 94,0 58,0
9,30 12,50 218,0 200,0 197,0 195,0 185,0 175,0 169,0 152,0 140,0 98,0 55,0

Q–H performance chart. Each curve represents a model.

Select a model in the following table to highlight its corresponding curve. The table contains the same values as the chart.

Select a model to highlight its corresponding curve.

Scroll horizontally to view all values. The “Model” column remains visible.

Model Motor Details H (m) · Q (m³/h)
kWHPAmp (1~/3~) 00.61.21.82.433.64.24.85.467.28.49.610.8121518
1,50 2,00 30,0 27,0 27,0 26,0 25,0 24,0 23,0 19,0 14,0 8,0
2,20 3,00 47,0 43,0 43,0 42,0 40,0 39,0 37,0 30,0 22,0 13,0
3,00 4,00 59,0 54,0 54,0 53,0 50,0 49,0 46,0 38,0 28,0 16,0
3,70 5,00 71,0 65,0 64,0 62,0 60,0 58,0 56,0 46,0 34,0 20,0
4,00 5,50 83,0 76,0 76,0 74,0 70,0 68,0 65,0 53,0 39,0 23,0
5,50 7,50 107,0 98,0 98,0 95,0 90,0 88,0 83,0 69,0 51,0 29,0
7,50 10,00 148,0 136,0 136,0 131,0 125,0 122,0 116,0 95,0 70,0 41,0
9,30 12,50 176,0 160,0 156,0 152,0 148,0 140,0 133,0 105,0 77,0 43,0
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