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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 diameterweight
powerTypeInlet DiaOutlet Dia
m³/hL/smr/minkWkW%mmmmmmmkg
DG5-27×33
5
8		0.83
1.39
2.22		84
81
75		29803.1
3.45
4.08		7.5Y132S₂-222
32
40		2.81504032175
DG5-27×43
5
8		0.83
1.39
2.22		112
108
100		29804.14
4.6
5.44		7.5Y132S₂-222
32
40		2.81504032185
DG5-27×53
5
8		0.83
1.39
2.22		140
135
125		29805.17
5.75
6.8		11Y160M₁-222
32
40		2.81504032195
DG5-27×63
5
8		0.83
1.39
2.22		168
162
150		29806.21
6.9
8.16		11Y160M₁-222
32
40		2.81504032205
DG5-27×73
5
8		0.83
1.39
2.22		196
189
175		29807.25
8.05
9.5		11Y160M₁-222
32
40		2.81504032215
DG5-27×83
5
8		0.83
1.39
2.22		224
216
200		29808.29
9.2
10.88		15Y160M₂-222
32
40		2.81504032225
DG5-27×93
5
8		0.83
1.39
2.22		252
243
225		29809.32
10.35
12.25		15Y160M₂-222
32
40		2.81504032235
DG5-27×103
5
8		0.83
1.39
2.22		280
270
250		298010.36
11.5
13.6		15Y160M₂-222
32
40		2.81504032245
DG5-27×113
5
8		0.83
1.39
2.22		308
297
275		298011.39
12.65
14.96		18.5Y160L-222
32
40		2.81504032255
DG5-27×123
5
8		0.83
1.39
2.22		336
324
300		298012.43
13.8
16.32		18.5Y160L-222
32
40		2.81504032265
DG8-35×35
8
10		1.39
2.22
2.78		109
99
85		29804.79
5.99
6.44		11Y160M₁-231
36
36		3.6
3.7
4.6		1704040144.1
DG8-35×45
8
10		1.39
2.22
2.78		146
132
114		29806.42
7.98
8.63		11Y160M₁-231
36
36		3.6
3.7
4.6		1704040156.5
DG8-35×55
8
10		1.39
2.22
2.78		182
165
142		29808
9.98
10.75		15Y160M₂-231
36
36		3.6
3.7
4.6		1704040168.9
DG8-35×65
8
10		1.39
2.22
2.78		218
198
171		29809.58
11.97
12.95		15Y160M₂-231
36
36		3.6
3.7
4.6		1704040181.2
DG8-35×75
8
10		1.39
2.22
2.78		255
231
199		298011.21
13.97
15.07		18.5Y160L-231
36
36		3.6
3.7
4.6		1704040193.6
DG8-35×85
8
10		1.39
2.22
2.78		291
264
227		298012.79
15.96
17.19		22Y180M-231
36
36		3.6
3.7
4.6		1704040206
DG8-35×95
8
10		1.39
2.22
2.78		328
297
256		298016′
17.96
19.38		22Y180M-231
36
36		3.6
3.7
4.6		1704040218.4
DG8-35×105
8
10		1.39
2.22
2.78		364
330
284		298016
19.95
21.5		30Y200L₁-231
36
36		3.6
3.7
4.6		1704040230.7
——END——

ParameterType

Capacity
Q		Head
H		Speed
N		Shaft power
Pa		Motor Eff.
η		NPSH
r		impolier
Dia		Pump diameterweight
powerTypeInlet DiaOutlet Dia
m³/hL/smr/minkWkW%mmmmmmmkg
DG13-35×310
13
17		2.7
3.61
4.72		111
105
87		29807.2
8.3
8.95		11Y160M₁-242
45
45		2.2
2.4
2.5		1705050228
DG13-35×410
13
17		2.7
3.61
4.72		148
140
116		29809.32
11
11.93		15Y160M₂-242
45
45		2.2
2.4
2.5		1705050250
DG13-35×510
13
17		2.7
3.61
4.72		185
175
145		298011.66
13.76
14.91		18.5Y160L-242
45
45		2.2
2.4
2.5		1705050272
DG13-35×610
13
17		2.7
3.61
4.72		222
210
174		298014
16.52
17.89		22Y180M-242
45
45		2.2
2.4
2.5		1705050294
DG13-35×710
13
17		2.7
3.61
4.72		259
245
203		298016.32
19.27
20.88		30Y200L₁-242
45
45		2.2
2.4
2.5		1705050316
DG13-35×810
13
17		2.7
3.61
4.72		296
280
230		298018.66
22.02
23.65		30Y200L₁-242
45
45		2.2
2.4
2.5		1705050338
DG13-35×910
13
17		2.7
3.61
4.72		333
315
261		298020.99
24.77
26.84		30Y200L₁-242
45
45		2.2
2.4
2.5		1705050360
DG13-35×1010
13
17		2.7
3.61
4.72		370
350
290		298023.22
27.53
29.83		37Y200L₂-242
45
45		2.2
2.4
2.5		1705050382
——END——

ParameterType

Capacity
Q		Head
H		Speed
N		Shaft power
Pa		Motor Eff.
η		NPSH
r		impolier
Dia		Pump diameterweight
powerTypeInlet DiaOutlet Dia
m³/hL/smr/minkWkW%mmmmmmmkg
DG20-35×316.3
20
23		4.53
5.56
6.39		110
105
100		29808.88
9.87
10.62		15Y160M₂-255
58
89		2.8
3
3.3		1656565197
DG20-35×416.3
20
23		4.53
5.56
6.39		147
140
134		298011.87
13.16
14.23		18.5Y160L-255
58
89		2.8
3
3.3		1656565210
DG20-35×516.3
20
23		4.53
5.56
6.39		183
175
167		298014.78
16.45
17.73		22Y180M-255
58
89		2.8
3
3.3		1656565222
DG20-35×616.3
20
23		4.53
5.56
6.39		220
210
200		298017.76
19.74
21.24		30Y200L₁-255
58
89		2.8
3
3.3		1656565234
DG20-35×716.3
20
23		4.53
5.56
6.39		256
245
234		298020.67
23.03
24.85		30Y200L₁-255
58
89		2.8
3
3.3		1656565247
DG20-35×816.3
20
23		4.53
5.56
6.39		293
280
267		298023.66
26.32
28.35		37Y200L₂-255
58
89		2.8
3
3.3		1656565259
DG20-35×916.3
20
23		4.53
5.56
6.39		330
315
300		298026.65
29.61
31.58		37Y200L₂-255
58
89		2.8
3
3.3		1656565272
DG20-35×1016.3
20
23		4.53
5.56
6.39		366
350
334		298029.55
32.89
35.46		45Y225M-255
58
89		2.8
3
3.3		1656565284
DG25-35×320
25
30		5.56
6.94
8.33		114
105
93		298010.9
11.71
13.09		15Y160M₂-257
61
58		2.7
3
3.3		1756565243
DG25-35×420
25
30		5.56
6.94
8.33		152
140
124		298014.54
15.62
17.46		22Y180M-257
61
58		2.7
3
3.3		1756565267
DG25-35×520
25
30		5.56
6.94
8.33		190
175
155		298018.17
19.52
21.82		30Y200L₁-257
61
58		2.7
3
3.3		1756565291
DG25-35×620
25
30		5.56
6.94
8.33		228
210
185		298021.8
23.42
26.04		30Y200L₁-257
61
58		2.7
3
3.3		1756565315
DG25-35×720
25
30		5.56
6.94
8.33		266
245
217		298025.44
28.74
30.55		37Y200L₂-257
61
58		2.7
3
3.3		1756565339
DG25-35×820
25
30		5.56
6.94
8.33		304
280
248		298029.07
31.23
34.92		37Y200L₂-257
61
58		2.7
3
3.3		1756565363
DG25-35×920
25
30		5.56
6.94
8.33		342
315
279		298032.71
35.14
39.28		45Y225M-257
61
58		2.7
3
3.3		1756565387
DG25-35×1020
25
30		5.56
6.94
8.33		380
350
310		298036.34
39.04
43.64		55Y250M-257
61
58		2.7
3
3.3		1756565411
——END——

ParameterType

Capacity
Q		Head
H		Speed
N		Shaft power
Pa		Motor Eff.
η		NPSH
r		impolier
Dia		Pump diameterweight
powerTypeInlet DiaOutlet Dia
m³/hL/smr/minkWkW%mmmmmmmkg
DG42-45×325
42
50		6.94
11.67
13.89		158
135
120		298020.28
25.74
27.24		30Y200L₁-253
60
60		2
2.4
2.8		2758080201
DG42-45×425
42
50		6.94
11.67
13.89		210
180
160		298026.96
34.32
36.31		45Y225M-253
60
60		2
2.4
2.8		2758080219
DG42-45×525
42
50		6.94
11.67
13.89		262
225
200		298033.63
42.9
45.39		55Y250M-253
60
60		2
2.4
2.8		2758080237
DG42-45×625
42
50		6.94
11.67
13.89		315
270
240		298040.44
51.49
54.47		75Y280S-253
60
60		2
2.4
2.8		2758080254
DG42-45×725
42
50		6.94
11.67
13.89		368
315
280		298047.24
60
62.54		75Y280S-253
60
60		2
2.4
2.8		2758080272
DG42-45×825
42
50		6.94
11.67
13.89		420
360
320		298053.91
68.65
72.6		90Y280M-253
60
60		2
2.4
2.8		2758080290
DG42-45×925
42
50		6.94
11.67
13.89		473
405
360		298060.72
77.23
80.41		90Y280M-253
60
60		2
2.4
2.8		2758080307
DG42-45×1025
42
50		6.94
11.67
13.89		525
450
400		298067.4
85.81
89.35		110Y315S-253
60
60		2
2.4
2.8		2758080325
——END——

ParameterType

Capacity
Q		Head
H		Speed
N		Shaft power
Pa		Motor Eff.
η		NPSH
r		impolier
Dia		Pump diameterweight
powerTypeInlet DiaOutlet Dia
m³/hL/smr/minkWkW%mmmmmmmkg
DG78-45×347
78
90		13.06
21.67
25		145
135
127.8		298035.03
41.57
44.12		55Y250M-253
69
71		4195100100242.6
DG78-45×447
78
90		13.06
21.67
25		194
180
170.4		298046.87
55.42
58.82		75Y280S-253
69
71		4195100100267.8
DG78-45×547
78
90		13.06
21.67
25		242
225
213		298058.46
69.28
73.53		90Y280M-253
69
71		4195100100293
DG78-45×647
78
90		13.06
21.67
25		290
270
255.6		298070.06
83.13
88.24		90Y280M-253
69
71		4195100100318.2
DG78-45×747
78
90		13.06
21.67
25		340
315
298.2		298082.14
97
102.19		110Y315S-253
69
71		4195100100343.4
DG78-45×847
78
90		13.06
21.67
25		388
360
340.8		298093.73
110.8
117.65		132Y315M₁-253
69
71		4195100100368.6
DG78-45×947
78
90		13.06
21.67
25		436
405
383.4		2980105.3
124.7
132.35		160Y315M₂-253
69
71		4195100100393.8
DG78-45×1047
78
90		13.06
21.67
25		485
450
426		2980117.17
138.6
147.1		160Y315M₂-253
69
71		4195100100419
——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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