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CB Type DG(Steam) Boiler Feed Pump

DG (Steam) industrial steam boiler feed pump is a single-suction, multi-stage segmental centrifugal pump; this series of pumps is a high-efficiency and energy-saving product specially designed for the new series of industrial steam boilers to be updated and renovated. It is not only suitable for medium and low pressure boiler feed water, but also for high-lift water delivery in factories and cities. The medium temperature is -20 ℃~105 ℃, and the pump inlet pressure shall not exceed 0.59 MPa (6 kgf/cm²).

The suction and discharge ports of DG (Steam) pumps are both vertically upward, the pump rotor is supported by rolling bearings, grease lubrication, and the axial thrust balance adopts a balance disc structure. The shaft seal can be a packing seal or a mechanical seal.EMAC will continue to update the product introduction pages of different standard versions of pumps. Please subscribe to our website to get the latest update information.

If you are in need of pumps model that not available on our website for the moment, please contact EMAC sales team for technical details and related documents, our well trained sales and engineering team will help you with all products and techical documents available here at CB Pumps.

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General Specifications of DG (Steam) Series

Flow range: 1.5~78 m³/h
Head range: 73~405 m

DG (Steam) Model Description

  • DG5-27×3
  • DG single suction, multi-stage boiler feed pump
  • 5-flow rate (m³/h)
  • 27-pump single-stage head (m)
  • 3-number of pump stages

Click Kit Name to Check Part List

ParameterType

 Capacity
Q		 Head
H		 Speed
N		 Shaft power
Pa		 Motor  Eff.
η		 NPSH
r		 impolier
Dia		 Pump diameter weight
power Type Inlet Dia Outlet Dia
m³/h L/s m r/min kW kW % m mm mm mm kg
DG5-27×3 3
5
8		 0.83
1.39
2.22		 84
81
75		 2980 3.1
3.45
4.08		 7.5 Y132S₂-2 22
32
40		 2.8 150 40 32 175
DG5-27×4 3
5
8		 0.83
1.39
2.22		 112
108
100		 2980 4.14
4.6
5.44		 7.5 Y132S₂-2 22
32
40		 2.8 150 40 32 185
DG5-27×5 3
5
8		 0.83
1.39
2.22		 140
135
125		 2980 5.17
5.75
6.8		 11 Y160M₁-2 22
32
40		 2.8 150 40 32 195
DG5-27×6 3
5
8		 0.83
1.39
2.22		 168
162
150		 2980 6.21
6.9
8.16		 11 Y160M₁-2 22
32
40		 2.8 150 40 32 205
DG5-27×7 3
5
8		 0.83
1.39
2.22		 196
189
175		 2980 7.25
8.05
9.5		 11 Y160M₁-2 22
32
40		 2.8 150 40 32 215
DG5-27×8 3
5
8		 0.83
1.39
2.22		 224
216
200		 2980 8.29
9.2
10.88		 15 Y160M₂-2 22
32
40		 2.8 150 40 32 225
DG5-27×9 3
5
8		 0.83
1.39
2.22		 252
243
225		 2980 9.32
10.35
12.25		 15 Y160M₂-2 22
32
40		 2.8 150 40 32 235
DG5-27×10 3
5
8		 0.83
1.39
2.22		 280
270
250		 2980 10.36
11.5
13.6		 15 Y160M₂-2 22
32
40		 2.8 150 40 32 245
DG5-27×11 3
5
8		 0.83
1.39
2.22		 308
297
275		 2980 11.39
12.65
14.96		 18.5 Y160L-2 22
32
40		 2.8 150 40 32 255
DG5-27×12 3
5
8		 0.83
1.39
2.22		 336
324
300		 2980 12.43
13.8
16.32		 18.5 Y160L-2 22
32
40		 2.8 150 40 32 265
DG8-35×3 5
8
10		 1.39
2.22
2.78		 109
99
85		 2980 4.79
5.99
6.44		 11 Y160M₁-2 31
36
36		 3.6
3.7
4.6		 170 40 40 144.1
DG8-35×4 5
8
10		 1.39
2.22
2.78		 146
132
114		 2980 6.42
7.98
8.63		 11 Y160M₁-2 31
36
36		 3.6
3.7
4.6		 170 40 40 156.5
DG8-35×5 5
8
10		 1.39
2.22
2.78		 182
165
142		 2980 8
9.98
10.75		 15 Y160M₂-2 31
36
36		 3.6
3.7
4.6		 170 40 40 168.9
DG8-35×6 5
8
10		 1.39
2.22
2.78		 218
198
171		 2980 9.58
11.97
12.95		 15 Y160M₂-2 31
36
36		 3.6
3.7
4.6		 170 40 40 181.2
DG8-35×7 5
8
10		 1.39
2.22
2.78		 255
231
199		 2980 11.21
13.97
15.07		 18.5 Y160L-2 31
36
36		 3.6
3.7
4.6		 170 40 40 193.6
DG8-35×8 5
8
10		 1.39
2.22
2.78		 291
264
227		 2980 12.79
15.96
17.19		 22 Y180M-2 31
36
36		 3.6
3.7
4.6		 170 40 40 206
DG8-35×9 5
8
10		 1.39
2.22
2.78		 328
297
256		 2980 16′
17.96
19.38		 22 Y180M-2 31
36
36		 3.6
3.7
4.6		 170 40 40 218.4
DG8-35×10 5
8
10		 1.39
2.22
2.78		 364
330
284		 2980 16
19.95
21.5		 30 Y200L₁-2 31
36
36		 3.6
3.7
4.6		 170 40 40 230.7
——END——

ParameterType

 Capacity
Q		 Head
H		 Speed
N		 Shaft power
Pa		 Motor  Eff.
η		 NPSH
r		 impolier
Dia		 Pump diameter weight
power Type Inlet Dia Outlet Dia
m³/h L/s m r/min kW kW % m mm mm mm kg
DG13-35×3 10
13
17		 2.7
3.61
4.72		 111
105
87		 2980 7.2
8.3
8.95		 11 Y160M₁-2 42
45
45		 2.2
2.4
2.5		 170 50 50 228
DG13-35×4 10
13
17		 2.7
3.61
4.72		 148
140
116		 2980 9.32
11
11.93		 15 Y160M₂-2 42
45
45		 2.2
2.4
2.5		 170 50 50 250
DG13-35×5 10
13
17		 2.7
3.61
4.72		 185
175
145		 2980 11.66
13.76
14.91		 18.5 Y160L-2 42
45
45		 2.2
2.4
2.5		 170 50 50 272
DG13-35×6 10
13
17		 2.7
3.61
4.72		 222
210
174		 2980 14
16.52
17.89		 22 Y180M-2 42
45
45		 2.2
2.4
2.5		 170 50 50 294
DG13-35×7 10
13
17		 2.7
3.61
4.72		 259
245
203		 2980 16.32
19.27
20.88		 30 Y200L₁-2 42
45
45		 2.2
2.4
2.5		 170 50 50 316
DG13-35×8 10
13
17		 2.7
3.61
4.72		 296
280
230		 2980 18.66
22.02
23.65		 30 Y200L₁-2 42
45
45		 2.2
2.4
2.5		 170 50 50 338
DG13-35×9 10
13
17		 2.7
3.61
4.72		 333
315
261		 2980 20.99
24.77
26.84		 30 Y200L₁-2 42
45
45		 2.2
2.4
2.5		 170 50 50 360
DG13-35×10 10
13
17		 2.7
3.61
4.72		 370
350
290		 2980 23.22
27.53
29.83		 37 Y200L₂-2 42
45
45		 2.2
2.4
2.5		 170 50 50 382
——END——

ParameterType

 Capacity
Q		 Head
H		 Speed
N		 Shaft power
Pa		 Motor  Eff.
η		 NPSH
r		 impolier
Dia		 Pump diameter weight
power Type Inlet Dia Outlet Dia
m³/h L/s m r/min kW kW % m mm mm mm kg
DG20-35×3 16.3
20
23		 4.53
5.56
6.39		 110
105
100		 2980 8.88
9.87
10.62		 15 Y160M₂-2 55
58
89		 2.8
3
3.3		 165 65 65 197
DG20-35×4 16.3
20
23		 4.53
5.56
6.39		 147
140
134		 2980 11.87
13.16
14.23		 18.5 Y160L-2 55
58
89		 2.8
3
3.3		 165 65 65 210
DG20-35×5 16.3
20
23		 4.53
5.56
6.39		 183
175
167		 2980 14.78
16.45
17.73		 22 Y180M-2 55
58
89		 2.8
3
3.3		 165 65 65 222
DG20-35×6 16.3
20
23		 4.53
5.56
6.39		 220
210
200		 2980 17.76
19.74
21.24		 30 Y200L₁-2 55
58
89		 2.8
3
3.3		 165 65 65 234
DG20-35×7 16.3
20
23		 4.53
5.56
6.39		 256
245
234		 2980 20.67
23.03
24.85		 30 Y200L₁-2 55
58
89		 2.8
3
3.3		 165 65 65 247
DG20-35×8 16.3
20
23		 4.53
5.56
6.39		 293
280
267		 2980 23.66
26.32
28.35		 37 Y200L₂-2 55
58
89		 2.8
3
3.3		 165 65 65 259
DG20-35×9 16.3
20
23		 4.53
5.56
6.39		 330
315
300		 2980 26.65
29.61
31.58		 37 Y200L₂-2 55
58
89		 2.8
3
3.3		 165 65 65 272
DG20-35×10 16.3
20
23		 4.53
5.56
6.39		 366
350
334		 2980 29.55
32.89
35.46		 45 Y225M-2 55
58
89		 2.8
3
3.3		 165 65 65 284
DG25-35×3 20
25
30		 5.56
6.94
8.33		 114
105
93		 2980 10.9
11.71
13.09		 15 Y160M₂-2 57
61
58		 2.7
3
3.3		 175 65 65 243
DG25-35×4 20
25
30		 5.56
6.94
8.33		 152
140
124		 2980 14.54
15.62
17.46		 22 Y180M-2 57
61
58		 2.7
3
3.3		 175 65 65 267
DG25-35×5 20
25
30		 5.56
6.94
8.33		 190
175
155		 2980 18.17
19.52
21.82		 30 Y200L₁-2 57
61
58		 2.7
3
3.3		 175 65 65 291
DG25-35×6 20
25
30		 5.56
6.94
8.33		 228
210
185		 2980 21.8
23.42
26.04		 30 Y200L₁-2 57
61
58		 2.7
3
3.3		 175 65 65 315
DG25-35×7 20
25
30		 5.56
6.94
8.33		 266
245
217		 2980 25.44
28.74
30.55		 37 Y200L₂-2 57
61
58		 2.7
3
3.3		 175 65 65 339
DG25-35×8 20
25
30		 5.56
6.94
8.33		 304
280
248		 2980 29.07
31.23
34.92		 37 Y200L₂-2 57
61
58		 2.7
3
3.3		 175 65 65 363
DG25-35×9 20
25
30		 5.56
6.94
8.33		 342
315
279		 2980 32.71
35.14
39.28		 45 Y225M-2 57
61
58		 2.7
3
3.3		 175 65 65 387
DG25-35×10 20
25
30		 5.56
6.94
8.33		 380
350
310		 2980 36.34
39.04
43.64		 55 Y250M-2 57
61
58		 2.7
3
3.3		 175 65 65 411
——END——

ParameterType

 Capacity
Q		 Head
H		 Speed
N		 Shaft power
Pa		 Motor  Eff.
η		 NPSH
r		 impolier
Dia		 Pump diameter weight
power Type Inlet Dia Outlet Dia
m³/h L/s m r/min kW kW % m mm mm mm kg
DG42-45×3 25
42
50		 6.94
11.67
13.89		 158
135
120		 2980 20.28
25.74
27.24		 30 Y200L₁-2 53
60
60		 2
2.4
2.8		 275 80 80 201
DG42-45×4 25
42
50		 6.94
11.67
13.89		 210
180
160		 2980 26.96
34.32
36.31		 45 Y225M-2 53
60
60		 2
2.4
2.8		 275 80 80 219
DG42-45×5 25
42
50		 6.94
11.67
13.89		 262
225
200		 2980 33.63
42.9
45.39		 55 Y250M-2 53
60
60		 2
2.4
2.8		 275 80 80 237
DG42-45×6 25
42
50		 6.94
11.67
13.89		 315
270
240		 2980 40.44
51.49
54.47		 75 Y280S-2 53
60
60		 2
2.4
2.8		 275 80 80 254
DG42-45×7 25
42
50		 6.94
11.67
13.89		 368
315
280		 2980 47.24
60
62.54		 75 Y280S-2 53
60
60		 2
2.4
2.8		 275 80 80 272
DG42-45×8 25
42
50		 6.94
11.67
13.89		 420
360
320		 2980 53.91
68.65
72.6		 90 Y280M-2 53
60
60		 2
2.4
2.8		 275 80 80 290
DG42-45×9 25
42
50		 6.94
11.67
13.89		 473
405
360		 2980 60.72
77.23
80.41		 90 Y280M-2 53
60
60		 2
2.4
2.8		 275 80 80 307
DG42-45×10 25
42
50		 6.94
11.67
13.89		 525
450
400		 2980 67.4
85.81
89.35		 110 Y315S-2 53
60
60		 2
2.4
2.8		 275 80 80 325
——END——

ParameterType

 Capacity
Q		 Head
H		 Speed
N		 Shaft power
Pa		 Motor  Eff.
η		 NPSH
r		 impolier
Dia		 Pump diameter weight
power Type Inlet Dia Outlet Dia
m³/h L/s m r/min kW kW % m mm mm mm kg
DG78-45×3 47
78
90		 13.06
21.67
25		 145
135
127.8		 2980 35.03
41.57
44.12		 55 Y250M-2 53
69
71		 4 195 100 100 242.6
DG78-45×4 47
78
90		 13.06
21.67
25		 194
180
170.4		 2980 46.87
55.42
58.82		 75 Y280S-2 53
69
71		 4 195 100 100 267.8
DG78-45×5 47
78
90		 13.06
21.67
25		 242
225
213		 2980 58.46
69.28
73.53		 90 Y280M-2 53
69
71		 4 195 100 100 293
DG78-45×6 47
78
90		 13.06
21.67
25		 290
270
255.6		 2980 70.06
83.13
88.24		 90 Y280M-2 53
69
71		 4 195 100 100 318.2
DG78-45×7 47
78
90		 13.06
21.67
25		 340
315
298.2		 2980 82.14
97
102.19		 110 Y315S-2 53
69
71		 4 195 100 100 343.4
DG78-45×8 47
78
90		 13.06
21.67
25		 388
360
340.8		 2980 93.73
110.8
117.65		 132 Y315M₁-2 53
69
71		 4 195 100 100 368.6
DG78-45×9 47
78
90		 13.06
21.67
25		 436
405
383.4		 2980 105.3
124.7
132.35		 160 Y315M₂-2 53
69
71		 4 195 100 100 393.8
DG78-45×10 47
78
90		 13.06
21.67
25		 485
450
426		 2980 117.17
138.6
147.1		 160 Y315M₂-2 53
69
71		 4 195 100 100 419
——END——

Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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