CALPEDA, 50 YEARS OF HISTORYWe want to continue that which was started many years ago by Vinicio Mettifogo, founder and pioneer. Today, we are a reality that has evolved over the years, always looking to the future with a spirit that has brought us to being a respected reference point in the great world of water. A 50-year old history that has taken our tradition and strength to you, acknowledged for our professionalism, quality, reliability and service.
CALPEDA TODAYEmployees: 250 Offices: Montorso V. (Vicenza) Italy Main factory: 30,000 sq. metres (covered) Types of pumps: more than 2,000 Power outputs: from 0.5 kW to 200 kW
INDEX1pag. 7 Close coupled centrifugal pumps with threaded ports
NM, NMD
8pag. 79
MGP
Horizontal multi-stage close coupled pumps
2pag. 17
NM
9pag. 81
MXSU
Close coupled centrifugal pumps with flanged connections
Vertical multi-stage close coupled stainless steel pumps
3pag. 29
NM4
10pag. 83
MXV-B
Close coupled centrifugal pumps n = 1750 rpm
Vertical multi-stage close coupled stainless steel pumps
4pag. 43
N, N4
11pag. 89
MXV
End-suction centrifugal pumps EN 733
Vertical multi-stage in-line stainless steel pumps
5pag. 53
NR, NR4
11.1pag. 105
MXVL
In-line pumps
Vertical multi-stage in-line stainless steel pumps AISI 316L
6pag. 65
MXH 2,4,8,16NEW
12pag. 109
MXV-E
Horizontal multi-stage stainless steel pumps
Variable speed multi-stage vertical pumps
6.1pag. 69
MXHL
13pag. 119
SPA
Compact Spa
Horizontal multi-stage stainless steel pumps AISI 316L
Self-draining whirpool pumps
6.2pag. 73
MXH 32,48NEW
14pag. 121
MPC
Compact Pool
Horizontal multi-stage stainless steel pumps
Self-priming swimming pool pumps with built-in strainer (plastic pumps)
7pag. 77
MXP
15pag. 123
NMP
Horizontal multi-stage close coupled pumps
Cast iron self-priming centrifugal pumps with built-in strainer
INDEX16pag. 127 Pre-filters in stainless steel
PF
25pag. 161
MXA
Horizontal multi-stage Self-priming pumps
17pag. 129
A
26pag. 163
I, IR
Self-priming centrifugal pumps with open impeller
Gear pumps
18pag. 133
C
27pag. 165
B-VT
Centrifugal pumps with open impeller
Peripheral immersion pumps
19pag. 137
CT 61
28pag. 167
VAL, SC
Peripheral pump
Vertical submerged pumps with free-flow impeller and open impeller
20pag. 139
T, TP
29pag. 171
GM 10
Peripheral pumps
Submersible drainage pump
21pag. 145
CA
NEW
30pag. 173
GXR, GXV
Self-priming liquid ring pumps
Submersible drainage pump stainless steel pumps
22pag. 149
NGL
31pag. 177
GX 40
Self-priming jet pumps
Submersible stainless steel pumps
23pag. 153
NGX
32pag. 179
GM 50
Self-priming jet pumps
Submersible pumps with single-channel or free-flow impeller
24pag. 157
NG
33pag. 183
GEO
NEW
Self-priming jet pumps
Automatic waste water collecting and lifting station
INDEX34pag. 197 Submersible pumps
GM
43pag. 321
AUE, AUD, AUED
UNI-EN 12845 units for feeding fire-extinguishing systems
35pag. 259
MXS
44pag. 329
Accessories
Stainless steel multi-stage submersible clean water pumpsBATTENTE POSITIVO IN ASPIRAZIONE (m.c.a.)
Accessories for pumps
36pag. 263
TEMPERATURA ACQUA IN GRADI CENTIGRADI
SD, SDF, SDN
5 4 3 2 1 0 1 2
0
10
20
30
40
50
60
70
80
90
100
110
45pag. 331
PREVALENZA MANOMETRICA IN ASPIRAZIONE (m.c.a.)
3 4 5 6 7 8 9
Submersible bore-hole pumps for 4and 6 wells
IC AT A PR CURV
A
Technical appendix
CURVA
TEO R
I CA
10 11 0 10 20 30 40 50 60 70 80 90 100 110
TEMPERATURA ACQUA IN GRADI CENTIGRADI
37pag. 280
SDX
Stainless steel submersible bore-hole pumps for 6 and 8 wells
38pag. 289
SDS
Submersible bore-hole pumps for 4 - 6 - 8 and 10 wells
39pag. 301
CS
Submersible motors for 4 - 6 - 8 and 10 wells
40pag. 305
NC3, NCS3
Three speeds circulating pumps
41pag. 311
IDROMAT
Electronic regulator for pumps
42pag. 313
Pressure boosting plants
Fixed speed pump units Variable speed pump units with frequency converter
NM, NMD
60 Hz
Close Coupled Centrifugal Pumpswith threaded ports
ConstructionClose-coupled, centrifugal pumps; electric motor with extended shaft directly connected to the pump. NM: single-impeller NMD: with two back-to-back impellers (with axial thrust balancing). Connections: threaded ports ISO 228/1 (BS 2779). The pumps in bronze are supplied fully painted.
1
Applications- For clean liquids without abrasives, which are, non-aggressive for the pump materials ( solids content up to 0.2%). - For water supply. - For heating, air-conditioning, cooling and circulation plants. - For civil and industrial applications. - For fire fighting applications. - For irrigation.
Operating conditionsLiquid temperature from -10 C to +90 C. Ambient temperature up to 40 C. Total suction lift up to 7 m. Maximum permissible working pressure up to 10 bar (16 bar for pumps NMD 25/190; NMD 32/210; NMD 40/180). Continuous duty.
Motor MaterialsComponents Pump casing Lantern bracket Impeller NM 17 Shaft NM, NMD B-NM, B-NMD Cast iron Bronze G-Cu Sn 10 EN 1982 GJL 200 EN 1561 Brass P- Cu Zn 40 Pb 2 UNI 5705 Cast iron Bronze GJL 200 EN 1561 G-Cu Sn 10 EN 1982 Cr steel AISI 430 Cr Ni Mo steel Cr Ni steel AISI 303 AISI 316 1,1 -1,5 - 2,2 kW Carbon - Ceramic - NBR 2-pole induction motor, 60 Hz (n = 3450 rpm). NM, NMD: three-phase 220/380 V, 380/660 V. NMM, NMDM: single-phase 220 V. With thermal protector up to 1.1 kW. Insulation class F. Protection IP 54. Constructed in accordance with IEC 60034.
Special features on request- Other voltages. - Protection IP 55. - Special mechanical seal - Higher or lower liquid or ambient temperatures.
Mechanical seal
Coverage chart n = 3450 rpm5 4 130 100 NMD 32/210 NMD 25/190 NMD 40/180 NMD 20/140 NM 3 NM 25/20 NM 12 NMD 20/110 NM 2 NM 20/160 NM 25/160 NM 11 200 U.S. g.p.m. 5 10 10 20 20 30 30 40 50 40 50 100 100 200 200 300 400 300 400 Imp. g.p.m.
NM, NMD
300
Hm 50 40 30
Hft 100 90 80 70 60 50 NM 17 40 30
20 NM 1 NM 25/12 NM 10
10
20 5 4 1 m /h3
Q l/min
2 30 40
3 50
4
5
6 7 100
8 9 10 150
200
20 300
400
30 500
40
50 1000
100 150072.823.C
7
NM, NMDNM
60 HzQ m3/h HP 0,5 0,75 0,75 1 1,5 1,5 2 2 3 l/min
Close Coupled Centrifugal Pumpswith threaded ports
Performance n 3450 rpm
P2 kW
1 16 22 27 32 36
1,2 20 21,8 26,5 31,5 35,5 39,5 40 45,5 47 55,5
1,5 25 21,5 26 31 35 39 39,5 45 46,5 55
1,89 31,5 21 25,5 30,5 34,5 39 39,5 45 46 54,5
2,4 40 20,3 25 30 34 38 39 44,5 45,5 54
3 50 19,4 24 28 32,5 37 38 44 45 53,5
3,6 60 18,1 23 25,5 31,5 36,5 37 43 44,5 53
4,2 70 16,3 22 23 30 35 36 42 43,5 52,5
4,8 80 14,2 20 19,5 28,5 33,5 34 41 42 52
5,4 90
6 100
6,6 110
7,5 125
8,4 140
NM NM NM NM NMM NM NMM NM NM
1/AE-60 2/B-60/A 2/S-60/A 2/A-60/A 3/CE-60 3/CE-60 3/BE-60 3/BE-60 3/AE-60
0,37 0,55 0,55 0,75 1,1 1,1 1,5 1,5 2,2
H m
27 32* 39* 40* 51* 29* 36* 37* 49*
32* 33,5* 46,5*
28* 42*
35*
B-NM B-NMD B-NMD 20/110B-60/A B-NMD 20/110Z-60/A B-NMD 20/110A-60/A B-NMDM 20/140BE-60 B-NMD 20/140BE-60 B-NMDM 20/140AE-60 B-NMD 20/140AE-60 B-NM 20/160BE-60 B-NM 20/160AE-60
NM NMD NMD 20/110B-60/A NMD 20/110Z-60/A NMD 20/110A-60/A NMDM 20/140BE-60 NMD 20/140BE-60 NMDM 20/140AE-60 NMD 20/140AE-60 NM 20/160BE-60 NM 20/160AE-60 kW 0,45 0,55 0,75 1,1 1,1 1,5 1,5 0,75 1,1
P2 HP 0,6 0,75 1 1,5 1,5 2 2 1 1,5
Q m3/h l/min
1 16 36,5 41 47 59 60 66,5 77
1,2 20 35,5 40 46,5 58,5 59,5 65,5 76,5
1,5 25 34 38 45 58 59 65 76
1,89 31,5 32 36 42,5 57 58 64 75 33 39
2,4 40 28,5 32,5 39 55 56 62,5 73,5 33 38,5
3 50 24 28 34 52 53 60 71 32 38
3,6 60 19* 23 29 47,5 49 57,5 69 31 37
4,2 70 17* 23,5* 45 55 66 30 36
4,8 80
5,4 90
6 100
6,6 110
7,5 125
8,4 140
H m
51 63 28,5 35
47,5 59 26,5 34
54 25 33
23* 31*
B-NM B -NMD B-NM B-NM B-NM B-NM B-NM B-NM B-NM B-NMD B-NMD B-NMD 25/12B-60/A 25/12A-60/A 25/160BE-60 25/160AE-60 25/200BE-60 25/200AE-60 25/200SE-60 25/190CE-60 25/190BE-60 25/190AE-60
NM NMD kW
P2 HP 0,75 1 1,5 2 3 4 5,5 3 4 5,5
Q m3/h l/min
2,4 40 20,8 24,5
3 50 20,8 24,6 32 38 46 53 60 67 80 97
3,6 60 20,7 24,6 31,5 37,5 45,5 52,5 59,5 65 78 95
4,8 80 20,3 24,3 31 37 45 52 59 60 73 92
6 100 19,6 23,6 30 36 44 51,5 58,5 53 67,5 87
6,6 110 19,2 23,1 29 35,5 43,5 48,5 58 50 64 84
7,5 125 18,4 22,4 28 34,5 42,5 50 57,5 42 58 79
8,4 140 17,6 21,6 26,5 33 41,5 49 56,5 51,5 72,5
9,6 160 16,1 20,4 23,5* 31 39 47,5 55 41* 63*
10,8 180 14,3 19 27,5 36,5 45,5 54
12 200 12 17 22,5* 33* 43 52
13,2 220 9,3 14,5
15 250
16,8 280
NM 25/12BE-60/A 0,55 NM 25/12AE-60/A 0,75 NM 25/160BE-60 1,1 NM 25/160AE-60 1,5 2,2 NM 25/20BE-60 3 NM 25/20AE-60 4 NM 25/20SE-60 2,2 NMD 25/190CE-60 3 NMD 25/190BE-60 4 NMD 25/190AE-60
H m 69 81 98
40* 50
45,5
NM kW NM NM NM NM NMM NM NM NM NM NM 10/FE-60 10/DE-60 10/AE-60 10/SE-60 11/BE-60 11/BE-60 11/AE-60 12/DE-60 12/CE-60 12/AE-60 0,55 0,75 1,1 1,5 1,5 1,5 2,2 2,2 3 4
P2 HP 0,75 1 1,5 2 2 2 3 3 4 5,5
Q m3/h l/min
6,6 110 14 19,5 24,5 26 29,5 31 36,5 39 45 57
7,5 125 13,5 19 24 26 29 30,5 36 38 44,5 56,5
8,4 140 13 19 24 25,5 28,5 30 35,5 37,5 44 56
9,6 160 12,5 18,5 23,5 25,5 28 29,5 35 36,5 43 55,5
10,8 180 12 18 23 25 27 29 34 35 42 55
12 200 11,5 17,5 22 24,5 26 28 33 34 41 54
13,2 220 10,5 16,5 21,5 24 25 27 32,5 32* 40 53
15 250 9 15,5 20 22,5 22,5 25 31 37 51
16,8 280
18,9 315
21 350
24 400
27 450
30 500
H m
21 20 23* 29* 34* 49*
19
16,5
12,5
8
NM, NMDB-NMD B-NMD B-NMD B-NMD B-NMD B-NMD B-NMD B-NMD B-NMD 32/210DE-60 32/210CE-60 32/210BE-60 32/210AE-60 40/180DE-60 40/180CE-60 40/180BE-60 40/180AE-60 NMD NMD NMD NMD NMD NMD NMD NMD NMD
60 HzQ m3/h HP 5,5 7,5 10 12,5 5,5 7,5 10 12,5 l/min
Close Coupled Centrifugal Pumpswith threaded ports
Performance n 3450 rpm
1P2 5,4 90 68 89 110 121 6 100 67 88 109 120 6,6 110 65 87 108 119 7,5 125 63 85 106 118 60 68 86,5 93,5 8,4 140 60 83 104 117 58,5 67,5 86 92,5 9,6 160 55 79 100 114 57 66,5 84,5 91,5 10,8 180 50 74 96 110 55,5 65,5 83,5 90,5 12 200 45 68 91 105 53,5 64 82 89 13,2 220 40* 63 86 99 51,5 63 80 87 15 250 52* 78* 89* 47,5 59,5 77,5 84,5 16,8 280 18,9 315 21 350 24 400
kW 32/210DE-60 32/210CE-60 32/210BE-60 32/210AE-60 40/180DE-60 40/180CE-60 40/180BE-60 40/180AE-60 4 5,5 7,5 9,2 4 5,5 7,5 9,2
H m
43,5 57 74 83
38,5 50 68 75,5
33,5 47,5 65,5 73,5
58* 66*
B-NM
NM kW
P2 HP 1,5 2 3 4
Q m3/h l/min H m
21 350 9,2 12
24 400 9 11,8 16
27 450 8,7 11,6 15,8 18
30 500 8,5 11,5 15,5 17,7
33 550 8 11 15 17,5
37,8 630 7,5 10,5 14,5 17
42 700 6,5 9,5 14 16,5
48 800 5 8 12,7 15,5
54 900 3,5* 6,5 11,5 14
60 1000 4,5* 10 12,5
66 1100
75 1250
84 1400
96 1600
B-NM B-NM B-NM B-NM
17/HE-60 17/GE-60 17/FE-60 17/DE-60
NM NM NM NM
17/HE-60 17/GE-60 17/FE-60 17/DE-60
1,1 1,5 2,2 3
8* 11*
NM, NMD Standard construction. B-NM, B-NMD Bronze construction.
P2 Rated motor power output. H Total head in m.
*
With single-phase motor = NMM - NMDM. Maximum suction lift 1-2 m. Tolerances according to ISO 9906, annex A.
Rated currentsP2 kW 0,37 0,45 0,55 0,75 1,1 1,5 HP 0,5 0,6 0,75 1 1,5 2 220 V 1~ IN A 3,4 4,1 5,2 6,5 8,5 10,6 P2 IA/IN 2,3 2,5 3,1 2,9 3 3,8 kW 0,37 0,45 0,55 0,75 1,1 1,5 2,2 3 4 5,5 7,5 9,2 HP 0,5 0,6 0,75 1 1,5 2 3 4 5,5 7,5 10 12,5 220 V / 380 V Y 380 V / 660 V Y IN A IN A IN A 3 2,6 3,3 4,5 5,7 9 10,7 13 1,7 1,5 1,9 2,6 3,3 5,2 6,2 7,5 11,3 14,5 18,2 21,5 IA/IN 3,8 3,5 4,3 5,2 5,3 6 5,9 9,5 9,8 8,2 9,5 8,2
6,5 8,4 10,5 12,4
P2 Rated motor power output. IA/IN D.O.L. starting current / Rated current
9
NM25
60 Hz10 10
Close Coupled Centrifugal Pumpswith threaded ports
Characteristic curves n = 3450 rpm0 U.S. g.p.m. 5 0 Imp. g.p.m. 5A 113
15
15
20 80 70 ft 60 40
0 U.S. g.p.m. 5 0 Imp.g.p.m. 5A 143
10
10 30
15
15
20
20
25 120 ft 100 80
Hm 20
39 41
NM 143 45 46D 46,5%
Hm 30
35 37.5 40
NM 2/A-BD 42%
B 124
15
46
45 50 40
20
60 40 2 3 4 5B A
10 0 Q m3/h 1 0.60 0.50 P 0.40 kW 0.30 0.20 6 NPSH 4 m 2 0 0 Q m3/h 1 0 U.S. g.p.m. 5 0 Imp. g.p.m. 5S 135
2
3
4A
5
0.6 P 0.5 HP 0.4
10 0 Q m3/h 1 1.0 0.8 P 0.6 kW 0.4 0.2 6 NPSH 4 m 2 0 0 Q m3/h 1 0 U.S. g.p.m. 10 0 Imp. g.p.m. 10
6 1.2 1.0 P HP 0.6 0.4 16 12 NPSH ft 4 0
2 10 10
3 15
4 15 20
72.500
5
15 NPSH 10 ft 5 0
2 20
3 20 34 35
4 30
5 30 40
72.501
6
40
60 120 100 ft 80 60 40 m 50 40 30 20 3 P 2 kW 1
Hm 30
30
35
NM 2/S40D 41%
H
A 171 30
NM 3D 36%
180 160 ft 140 120 100 80
B 3~ 158
20
40
B 1~ 156 C 3~ 1 47 C 1~ 14
35 34
7
10 0.8 P 0.6 kW 0.4
0 Q m3/h 1
2
3
4
0.2 3 NPSH 2 m 1 0 0 Q m3/h 1 2 3 4
1.2 S 1.0 P 0.8 HP 0.6 0.4 8 NPSH ft 4 2 010
5
0 Q m3/h 2
4
6
8A C B
10 4 P 3 HP 2 1 0 16 12 NPSH ft 4 0 72.503 10
0 6 NPSH 4 m 2 0 0 Q m3/h 2 4 6 8
72.502
5
NM30
60 Hz40 40 58 61 60
Close Coupled Centrifugal Pumpswith threaded ports
Characteristic curves n = 3450 rpm0 U.S. g.p.m. 20 0 Imp.g.p.m. 20S 116 A 114 D 103 F 88
60
80
100 80
40 80 ft 60 40 20 m 35 30 25 20 2.4 2.0 P kW 1.2 0.8
0 U.S. g.p.m. 20 0 Imp.g.p.m. 20A 146
40
20
60
20
80 130 120 110 ft 100 90 80 70 20
1
Hm 20
63 64
D 65%
NM 1061 58
H
NM 1150 53 54 55 D 57%
6463
B 3~ 131 B 1~ 128
10
0 0 Q m3/h 5 2 P kW 1 0 8 6 NPSH 4 m 2 0 0 Q m3/h 5 0 U.S. g.p.m. 20 0 Imp.g.p.m. 20A 178 C 164 D 153
10
15A D F
20
25S
0 2 P HP 1 0 20 NPSH 10 ft 0
0 Q m /h3
5
10
15
A
B 3~ B 1~
3.5 3 P HP 2 1.5 1
10 40
15 60 80
20
72.504
25
8 6 NPSH 4 m 2 0 0 Q m3/h 0 U.S. g.p.m. 0 Imp. g.p.m. 20 D 110 F 105 15 H G 94 m 10 H 88 5 0 0 Q m3/h 4 3 P 2 kW 1 0 8 6 NPSH 4 m 2 0 0 Q m3/h11
5 100
10 200 100 50 55 60 62,5 64
15 300
20 NPSH 10 ft 0 72.505 20
70 60 m 50 40 30 20
40
60
100 80
200D 65%
H
45 47,5
50
D 52%
NM 12
200 ft 150 100 50
NM 1762,5 60
60 50 ft 40 30
50
55
20 10
10 0 Q m3/h 5 5 4 P kW 2 1 0 8 6 NPSH 4 m 2 0 0 Q m3/h 5
10
15A C
20
25 6 P HP 4 3 2 1 0 20 NPSH 10 ft 0 72.506 25
20
40
60D F H G
80
0
D
5 4 P 3 HP 2 1 0
10
15
20
20
40
60
20 NPSH 10 ft 0 72.507 80
NM40 0 Imp.g.p.m.
60 Hz20 10 20 35
Close Coupled Centrifugal Pumpswith threaded ports
Characteristic curves n = 3450 rpm0 U.S. g.p.m. 10 30 30 40 30 120 ft 100 0 U.S. g.p.m. 10 0 Imp.g.p.m.10 20 20 45 50 30 30 40 50 40 60 50
Hm 30
A 139 B 130
40
NM 20/160D 42%40
H
m
A 114 B 106,5
55
NM 25/12D 69%
80 ft 60
20
60 65 80 10
20
65
60
40 55 50 20
60
40 10 1.6 1 P kW 0 6 NPSH 4 m 2 0 0 0
Q m /h3
2
4
6
8
10 2 P HP 1
0 1.0 0.8 P kW 0.4 0.2 0 0
0
Q m /h23
4
6
8
10
12
0 14
A B
A B1 P HP 0.5 0 15 NPSH 10 ft 5
15 NPSH 10 ft 5
6 NPSH 4 m 2 0 0
Q m /h3
2
4
6
8
72.509
10
0
Q m /h 23
4
6
8
10
12
72.510.1
14
0
0 U.S. g.p.m. 50 m 40 0 Imp.g.p.m. 10
20 20
30 30
40
50 40
60 50 150 66 60 m 50
0 0
U.S. g.p.m. Imp.g.p.m.
20 20
30 30
40
50 40
60 50 200 ft
H
NM 25/160A 144 B 13040 45 50 51 50
S 175 A 163 B 15345 47.5 40
NM 25/2043
H
ft 100 45
30
43 150
D 53%20
40
50 10 2 P kW 1 0
D 49%30 0 47.5 45 15
100
Q m /h3
5
10
15
A B
5 2 P HP 1 0 20 4 P 3 kW 2 1
Q m /h3
5
10
S A B
6 5 P HP 3 2
0 8 6 NPSH 4 m 2 0 0
NPSH 10 ft
12 NPSH 8 m 4 0 0
30 NPSH 20 ft 10
Q m /h3
5
10
72.511
15
0
Q m /h3
5
10
72.513
15
0
12
NMD60 50 m 40 30 20 10 1.0 P 0.8 kW 0.6 0.4 6 NPSH 4 m 2 0 0 Q m3/h 1 0 Q m /h 13
60 Hz10 10
Close Coupled Centrifugal Pumpswith threaded ports
Characteristic curves n = 3450 rpm0 U.S. g.p.m. 5 5 0 Imp.g.p.m. 15 15 20 180 160 ft 140 120 30 100 80 60 2 3 4 5 40 1.4 1.2 P 1.0 HP 0.8 0.6 16 12 NPSH ft 4 0 20 0 Q m3/h 1 2.5 2 P 1.5 kW 1 0.5 6 NPSH 4 m 2 0 0 Q m3/h 1 2 3 4 5 2 3 4 5 10 0 U.S. g.p.m. 5 10 0 Imp.g.p.m. 5 80 A 143/14 3 - 3~ 30 H m A 134/1 34 - 1~ B 127/1 60 27 - 3~ B 127 /127 - 1~ 40 15 35 15 20 20 25 240 ft 200
1
H
A 118/1 18 Z 111/1 11 B 115/9 8
25
NMD 20/11030D 33%
NMD 20/140 38
D 39%
38 160 120 80 6 A 3~ 3 A 1~ P HP 2 1.5 1 16 NPSH ft 8 4 0
A Z B
B
2
3
4
72.540
5
72.541
6
13
NMD0 U.S. g.p.m. 10 0 Imp.g.p.m. 10 110 A 162/166 100 m 80 70 60 50 40 30 0 Q m3/h 2 5 4 P 3 kW 2 1 8 NPSH 6 m 4 2 0 Q m3/h 2
60 Hz20 20 35 30 30
Close Coupled Centrifugal Pumpswith threaded ports
Characteristic curves n = 3450 rpm40 40 50 30 40 0 U.S. g.p.m. 20 30 20 0 Imp.g.p.m. 140 A 186/186 30 120 B 186/174 H m 100 C 165/165 80 35 200 32,5 30 10A B C D 145/145
50 40
60 50
70 60 ft 400 320 35 240 160
H
30 32,5
NMD 25/190D 37%
B 150/150 C 140/142
300 ft
NMD 32/210 3536D 36,5%
36 34 4 6 8
60 40 33 6 9 12
12
100 6 P HP 4 3 2
4 40
6 60
8 80
10 100 80
25 NPSH 20 ft 15 10 72.542 12
20 0 Q m3/h 3 12 10 P kW 6 4 2 8 6 NPSH 4 m 2 0 0 Q m3/h 3
15A B D C
18
80 16 P 12 HP 8 4
6
9
12
15
25 20 NPSH ft 10 5 0 72.543 18
0 U.S. g.p.m. 0 Imp.g.p.m. 20 100 A 172/156 B 156/156 80H C 142/142 m D 136/136 60
40 40
60 45 47
NMD 40/180D 48%
300 ft 200
45
40 20 0 Q m3/h 5 10 P kW 5 0 8 6 NPSH 4 m 2 0 0 Q m3/h 5 10
44
40 100 20C D
15
A B
26 10 P HP 5 0
10
15
20
20 NPSH 10 ft 0 72.544 2614
NM
60 Hz
Close Coupled Centrifugal Pumpswith threaded ports
Dimensions and weights
1NMM TYPE NM 1/AE-60 NM 2/B-60/A NM 2/S-60/A NM 2/A-60/A NM 3/CE-60 NM 3/BE-60 NM 3/AE-60 B- NM 20/160BE-60 B- NM 20/160AE-60 B- NM 25/12B-60/A B- NM 25/12A-60/A B- NM 25/160BE-60 B- NM 25/160AE-60 NM 25/20BE-60 NM 25/20AE-60 NM 25/20SE-60 B- NM 25/200BE-60 B- NM 25/200AE-60 B- NM 25/200SE-60 NM 10/FE-60 NM 10/DE-60 NM 10/AE-60 NM 10/SE-60 NM 11/BE-60 NM 11/AE-60 NM 12/DE-60 NM 12/CE-60 NM 12/AE-60 B- NM 17/HE-60 B- NM 17/GE-60 B- NM 17/FE-60 B- NM 17/DE-60 kg 8,7 14 14,2 15,1 24 26 19,9 20,7 13,2 14,2 20,4 22,5 NM kg 8,6 13,1 13,3 14,2 22,9 25,1 26,1 18,4 19,7 12,3 13,3 19,7 21,5 28,6 37,9 41,7 B-NM kg
21 22,5 13,5 14,5 22,8 24
f a DN2 l1 DN2 l2
32,7 40,7 44,7 19,3 19,4 20,2 22,1 24,7 18,5 18,8 19,3 21,5 24,1 25,1 30,5 39 43 22,2 23,2 25,2 33,2
h2 DN1 h3
g1 h14.93.098
m2 m1 w
s
n3 n2 n1
b
23 24,2
29,2 30,2 32,2 40,2
DN1 B-NM NM
DN2 ISO 228 G1 G1 G1 G 3/4 G1 G1 G1 G1 G 11/4 G 11/4 G 11/4 G 21/2
mm a 40 45 50 53 56 56 63 63 63 70 70 80 f 261 305 375 375 313 380 393 460 405 460 382 400 400 470 417 480 h1 80 95 112 100 90 100 125 125 100 112 132 112 h2 132 150 180 150 140 160 180 180 150 170 190 160 h3 176 207 240 228 199 228 253 253 228 240 260 240 m1 m2 n1 170 190 245 190 170 190 245 245 190 210 240 210 n2 140 160 205 150 130 150 200 200 140 160 190 160 n3 17 17 37 30 9 30 49 42 49 42 30 37 47 45 37 20 b 35 35 45 38 38 38 45 45 50 50 50 50 s 9,5 9,5 11,5 9,5 9,5 9,5 11,5 11,5 13 15 15 14 l1 77 87 110 102 85 102 125 125 90 103 125 96 l2 81 90 113 102 88 102 125 125 97 110 127 113 w 171 218 244 246 195 246 251 295 263 295 239 247 247 300 257 295 g1 10 10 12 10 10 10 11 11 14 14 14 14
NM 1/AE-60 NM 2/A-60/A,S-60/A,B-60/A NM 3/AE-60,BE-60,CE-60 B-NM 20/160AE-60,BE-60 NM 20/160AE-60,BE-60 B- NM 25/12A-60/A,B-60/A NM 25/12A-60/A,B-60/A B-NM 25/160AE-60,BE-60 NM 25/160AE-60,BE-60 NM 25/20BE-60 NM 25/20AE-60,SE-60 B-NM 25/200BE-60 B-NM 25/200AE-60,-SE-60 NM 10/SE-60,AE-60,DE-60,FE-60 NM 11/AE-60,BE-60 NM 12/DE-60 NM 12/AE-60,CE-60 B-NM 17/FE-60,GE-60,HE-60 NM 17/FE-60,GE-60,HE-60 B-NM 17/DE-60 NM 17/DE-60
G1 G1 G1 G 11/4 G 11/2 G 11/2 G 11/2 G 11/2 G2 G2 G2 G 21/2
40 32 40 32 55 43 37,5 27,5 37,5 27,5 37,5 27,5 45 45 50 50 50 50 32,5 32,5 35 35 35 35
15
NMDNMD 20/110325 75 G1 G 1 1/4
60 Hz
Close Coupled Centrifugal Pumpswith threaded ports
Dimensions and weightsNMD 20/140 NMD 25/190f a 93 G1 93 DN2 l1 DN2 l2
204
132
10 95
DN1
h3
4.93.179
36 46 8.5
9.5 188
17 130 170
4.93.005
38 m2 m1 w s n3 n2 n1 b
TYPE B- NMD 20/110B-60/A B- NMD 20/110Z-60/A B- NMD 20/110A-60/A
NMDM kg 13 14 15,1
NMD kg 12,1 13 14,2
B-NMD kg 13,4 14,2 17,4
TYPE BBBBBNMD 20/140BE-60 NMD 20/140AE-60 NMD 25/190CE-60 NMD 25/190BE-60 NMD 25/190AE-60
NMDM kg 23,9 25,2
NMD kg 22,7 24,8 39 46,7 51
B-NMD kg 25,2 27,6 42,7 51 55
DN1 B-NMD B- NMD 20/140AE-60,BE-60 B- NMD 25/190CE-60 B- NMD 25/190BE-60 B- NMD 25/190AE-60 NMD NMD 20/140AE-60,BE-60 NMD 25/190CE-60 NMD 25/190BE-60 NMD 25/190AE-60
DN2 ISO 228 G1 G1
mm a 80 97 f 417 447 500 500 h1 112 140 h2 152 180 h3 243 268 m1 75 100 m2 55 70 n1 200 240 n2 160 190 n3 37 50 49 49 b 38 50 s 9,5 14 l1 110 133 l2 110 133 w 256 274 306 306 g1 10 13
G 11/4 G 11/2
NMD 32/210 NMD 40/180f a DN2 l1 l2 DN2
h2 DN1 h3 g14.93.077
TYPE B- NMD 32/210DE-60 B- NMD 32/210CE-60 B- NMD 32/210BE-60 B- NMD 32/210AE-60 B- NMD 40/180DE-60 B- NMD 40/180CE-60 B- NMD 40/180BE-60 B- NMD 40/180AE-60
NMD kg 60 70 76,5 99 59 69 75,5 97
g1
h1
s w m2 m1 z
b n2 n1 g2
B - NMD B-NMD 32/210DE-60 B-NMD 32/210BE-60,CE-60 B-NMD 32/210AE-60 B-NMD 40/180DE-60 B-NMD 40/180BE-60,CE-60 B-NMD 40/180AE-60
NMD NMD 32/210DE-60 NMD 32/210BE-60,CE-60 NMD 32/210AE-60 NMD 40/180DE-60 NMD 40/180BE-60,CE-60 NMD 40/180AE-60
DN1 DN2 ISO 228 G2 G 11/4
mm a f h1 h2 h3 m1 m2 n1 n2 140 190 216 140 190 216 z 15 b 54 68 70 54 68 70 s 10 12 12 10 12 12 l l1 l2 w g1 38 38 38 38 g2 6 6 -
G2
G 11/2
530 110 550 625 535 121 555 630
155 283 205 175 194 150 215 310 280 250 258 170 355 298 268 286 155 283 205 175 194 150 215 310 280 250 258 170 355 298 268 286
15
139 150 150 108 152 133 145 145 102 145
16
h1
B-NMD kg 66 76 82 105 65 75 81 102
h2
NM
60 Hz
Close Coupled Centrifugal Pumpswith flanged connections
ConstructionClose-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump. Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733. The pumps in bronze are supplied fully painted. Connections: Flanges according to PN 10, EN 1092-2. Counter-flanges (on request)Sizes Flanges from NM 32/... to NM 50/... Screwed flanges EN 1092-1, PN 16 from NM 65/... to NM 100/250 Flanges for welding EN 1092-1, PN 10
2
Applications- For clean liquids without abrasives, which are non-aggressive for the pump materials (solids content up to 0.2%). - For water supply. - For heating, air conditioning, cooling and circulation plants. - For civil and industrial applications. - For fire fighting applications. - For irrigation.
Operating conditionsLiquid temperature from -10 C to +90 C. Ambient temperature up to 40 C. Total suction lift up to 7 m. Maximum permissible working pressure up to 10 bar. Continuous duty.
MaterialsComponents Pump casing Lantern bracket Impeller NM B-NMCast iron Bronze GJL 200 EN 1561 G-Cu Sn 10 EN 1982 Cast iron Bronze GJL 200 EN 1561 G-Cu Sn 10 EN 1982 Brass P- Cu Zn 40 Pb 2 UNI 5705 for NM 32/12-16-20, NM 40/20 B-NM 32/125-160-200, B-NM 40/200 Cr Ni steel AISI 303 up to 2.2 kW Cr Ni Mo steel AISI 316 Cr steel AISI 430 from 3 kW to 75 kW Carbon - Ceramic - NBR Steel Fe 430B UNI 7070
Motor2-pole induction motor, 60 Hz (n = 3450 rpm). NM: three-phase 220/380 V, 380/660 V. Insulation class F. Protection IP 54. Constructed in accordance with IEC 60034.
Special features on request- Other voltages. - Protection IP 55. - Bronze impeller. - Special mechanical seal. - Packed gland (only for NM standard construction). - Single-phase motor (NMM) up to 1.5 kW. - Explosion proof construction in accordance with Directive 94/9 EEC (ATEX). - Higher or lower liquid or ambient temperatures.
Shaft
Mechanical seal Counter-flanges
Coverage chart n = 3450 rpm30 20 130 100 30 40 50 40 U.S. g.p.m. 50 100 100 200 200 300 400 300 500 400 500 1000 1000 400 2000 Imp. g.p.m.
NMNM 40/25 NM 50/25 NM 65/250 NM 50M NM 80/250 NM 100/250
300
Hm 50 40 30 NM 32/20 NM 40/20 NM 50/20 200
HNM 65/200 NM 80/200 NM 100/200 ft
NM 32/16
NM 40/16
NM 50/16 NM 65/16 NM 80/16 NM 65/12
20 NM 32/12 NM 40/12 NM 50/12
100 90 80 70 60 50 40
10
30
20 5 5 6 100 7 8 9 10 150 m 3/h 20 300 400 30 500 40 50 1000 100 2000 200 3000 300 4000 5000 400 500 800072.824.C
Q l/min
17
NMB-NM B-NM 32/12F-60 B-NM 32/12D-60 B-NM 32/12A-60 B-NM 32/12S-60 B-NM 32/16B-60 B-NM 32/16A-60 B-NM 32/20D-60 B-NM 32/20C-60 B-NM 32/20A-60
60 Hz
Close Coupled Centrifugal Pumpswith flanged connections
Performance n 3450 rpmNM kW NM 32/12FE-60 NM 32/12DE-60 NM 32/12AE-60 NM 32/12SE-60 NM 32/16BE-60 NM 32/16AE-60 NM 32/20DE-60 NM 32/20CE-60 NM 32/20AE-60 0,55 0,75 1,1 1,5 1,5 2,2 2,2 3 4 P2 HP 0,75 1 1,5 2 2 3 3 4 5,5 Q m3/h l/min 6,6 110 14 19,5 24,5 26 31 36,5 39 45 57 7,5 125 13,5 19 24 26 30,5 36 38 44,5 56,5 8,4 140 13 19 24 25,5 30 35,5 37,5 44 56 9,6 160 12,5 18,5 23,5 25,5 29,5 35 36,9 43 55,5 10,8 180 12 18 23 25 29 34 35 42 55 12 200 11,5 17,5 22 24,5 28 33 34 41 54 13,2 220 10,5 16,5 21,5 24 27 32,5 32 40 53 15 250 9 15,5 20 22,5 25* 31* 37 51 16,8 280 18,9 315 21 350 24 400 27 450 30 500
H m
21* 23* 29* 34* 49*
19*
16,5*
12,5*
B-NM
NM kW
P2 HP 1,5 2 3 3 4 5,5 5,5 7,5 7,5 10 12,5 15 20
Q m3/h l/min
15 250 15,4 18,5 22,5 25,5 31 37,1 44 52 56,5 59,5 65,4 71,5 90,4
16,8 280 14,9 18,1 22,3 25,1 30,6 36,9 43 51,5 56 59 65 71,3 90,2
18,9 315 14,3 17,6 21,9 24,4 30,3 36,5 42 50,5 55 58,5 64,4 70,8 89,7
21 350 13,4 17 21,4 23,6 29,6 36,1 41 49,5 54 58 63,5 70,3 89,1
24 400 11,8 15,8 20,6 22,1 28,5 35,2 39 47,5 52 56 61,5 68,9 88,5
27 450 10 14,2 19,6 20,1 27,1 34,3 36 44,5 49 53,5 58,6 66,4 87,3
30 500 7,8 12,4 18,3 17,8 25,4 33,2 40 50,5 54,2 63,3 86,1
33 550 5,6 10,5 16,7 15,4 23,2 31,8 35 47 49 59,2 83,8
37,8 630 6,9 13,7 10,6 19,2 28,8
39 650
42 700
45 750
48 800
54 900
B-NM 40/12F-60 B-NM 40/12C-60 B-NM 40/12A-60 B-NM 40/16C-60 B-NM 40/16B-60 B-NM 40/16A-60 B-NM 40/20C-60 B-NM 40/200B-60/A B-NM 40/200A-60/A B-NM 4025/C-60/A B-NM 4025/B-60/A B-NM 4025/A-60/A
NM 40/12F-60/A NM 40/12C-60/A NM 40/12A-60/A NM 40/16C-60/A NM 40/16B-60/A NM 40/16A-60/A NM 40/20C-60/A NM 40/20B-60/A NM 40/20AR-60/A NM 40/20A-60/A NM 40/25C-60/A NM 40/25B-60/A NM 40/25A-60/A
1,1 1,5 2,2 2,2 3 4 4 5,5 5,5 7,5 9,2 11 15
12,9 18,1 27,9
H m
25,6
23
38,5 50 78
76
B-NM
NM kW
P2 HP 3 4 5,5 7,5 10 12,5 15 15 20 25 15 20 25
Q m3/h l/min
24 400
27 450
30 500 16,1 19,4 24,8 35,3 42,7 50,4 57,3 60,3 73,2 86,9 47,5 58 69
33 550 15,4 19 24,6 34,9 41,6 49,8 56,9 59,3 72 86,2 47 57,5 68,5
37,8 630 14,2 18 24 33,6 41,2 48,5 55,7 57,2 70,1 84,7 46 56 67,5
42 700 13 17 23,4 32,4 40,3 47,1 54,6 55 68,1 83 45 55 66,5
48 800 11,1 15,5 22,3 30,1 38,5 44 52,2 50 64,3 79,8 42 53 64,5
54 900 8,6 13,5 20,8 27,5 36,3 40,5 49,5 44 59,3 76 38,5 50,5 62,5
60 1000 5,8 11,1 19 24,5 33,8 36 46 36,5 52,8 72 34 47,5 60,5
66 1100 8,4 17 20,9 30,9 30,2 41,8 43,8 66,9 29 44 57,5
69 1150
72 1200
75 1250
84 1400
B-NM 50/12F-60 B-NM 50/12D-60 B-NM 50/12A-60 B-NM 50/160B-60/A B-NM 50/160A-60/A B-NM 50/200B-60/A B-NM 50/200A-60/A B-NM 5025/C-60/A B-NM 5025/B-60/A B-NM 5025/A-60/A B-NM 5025/65EE-60 B-NM 5025/65DE-60 B-NM 5025/65CE-60
NM 50/12F-60/A NM 50/12D-60/A NM 50/12A-60/A NM 50/16B-60/A NM 50/16A-60/A NM 50/20B-60/A NM 50/20A-60/A NM 50/25C-60/A NM 50/25B-60/A NM 50/25A-60/A NM 50M/EE-60 NM 50M/DE-60 NM 50M/CE-60
2,2 3 4 5,5 7,5 9,2 11 11 15 18,5 11 15 18,5
H m
51 57,6 61,9 74,6 87,6
50,6 57,7 61,2 73,9 87,3
16 19 29,4 27,3 39
14,8 17,1 27,8 36,2
13,6 15,1 26,1 33,2
20,4
26 42 56
24 40 54
20 36,5 51
25* 42*
B-NM
NM kW
P2 HP 5,5 7,5 10 7,5 10 12,5 15 20 20 25 30 30 40 50
Q m3/h l/min
37,8 630 19 23 27
42 700 18,5 22,5 26,5
48 800 18 22 26 20 26 30 33,5 37,5 44 49,5 56 64 79,5 90
54 900 17 21,5 25,5 19,5 25,5 29,5 33 37 43,5 49 55,5 63 79 89,5
60 1000 16 21 25 19 25 29 32,5 37 43 48,5 55 62,5 78,5 89
66 1100 15 19,5 24 18 24,5 28,5 32 36,5 42,5 48 54,5 61,5* 78* 88,5*
75 1250 13* 17,5 22 17 23,5 27,5 31 36 41 47,5 54 60* 77* 87*
84 1400 15* 19,5* 15 22 26,5 29,5 34,5 40 46,5 53,5 57,5* 75* 86*
96 1600
108 1800
120 2000
132 2200
150 2500
168 2800
B-NM 65/125CE-60 B-NM 65/125AE-60 B-NM 65/160EE-60 B-NM 65/160DE-60 B-NM 65/160CE-60 B-NM 65/160BE-60 B-NM 65/160AE-60 B-NM 65/200CE-60 B-NM 65/200BE-60 B-NM 65/200AE-60 B-NM 65/250CE-60 B-NM 65/250BE-60 B-NM 65/250AE-60
NM 65/12EE-60 NM 65/12CE-60 NM 65/12AE-60 NM 65/16EE-60 NM 65/16DE-60 NM 65/16CE-60 NM 65/16BE-60 NM 65/16AE-60 NM 65/20CE-60 NM 65/20BE-60 NM 65/200AE-60 NM 65/250CE-60 NM 65/250BE-60 NM 65/250AE-60
4 5,5 7,5 5,5 7,5 9,2 11 15 15 18,5 22 22 30 37
H m
13* 19,5* 24* 28* 33* 37,5* 44,5* 51* 54,5* 71* 83*
10* 16,5* 21* 25* 30* 35* 42* 48* 50* 66,5* 78,5*
13* 18* 22,5* 27* 31* 38,5* 45*
27* 35* 41*
18
NMB-NM
60 Hz
Close Coupled Centrifugal Pumpswith flanged connections
Performance n 3450 rpmNM kW B-NM 80/160EE-60 B-NM 80/160DE-60 B-NM 80/160CE-60 B-NM 80/160BE-60 B-NM 80/160AE-60 NM 80/16EE-60 NM 80/16DE-60 NM 80/16CE-60 NM 80/16BE-60 NM 80/16AE-60 NM 80/200BE-60 NM 80/200AE-60 NM 80/250EE-60 NM 80/250DE-60 NM 80/250CE-60 NM 80/250BE-60 NM 80/250AE-60 NM 100/200EE-60 NM 100/200DE-60 NM 100/200CE-60 NM 100/200BE-60 NM 100/200AE-60 NM 100/250BE-60 NM 100/250AE-60 7,5 9,2 11 15 18,5 22 30 22 30 37 45 55 18,5 22 30 37 45 55 75 P2 HP 10 12,5 15 20 25 30 40 30 40 50 60 75 25 30 40 50 60 75 100 Q m3/h l/min 75 1250 19,5 23 27,5 34 38,5 46,5 56 51 65 73,5 84 94,5 84 1400 19 22,5 27 33,5 38 46 55,5 50 64 73 83,5 94 96 1600 18 22 25,5 33 37,5 45,5 55 48,5 62,5 72 82,5 93 108 1800 17,5* 21* 25* 32,5* 37* 44,5 54 46,5 61 70,5 81 92,5 30 36 45 54 61,5 73,5 90,5 120 2000 16,5* 19,5* 24,5* 31,5* 36,5* 43,5* 53,5* 44,5* 59* 69* 80* 91,5* 29,5 35,5 44,5 53,5 61 73 90 132 2200 15* 18* 23* 31* 36* 42* 52* 42* 56,5* 67* 78* 90* 29 35 44 53 60,5 72,5 90 150 2500 13* 15* 20* 28* 33* 39* 49* 38* 53* 63* 74* 87,5* 28 34 43 52,5 60 71,5 89 168 2800 180 3000 192 3200 210 3500 240 4000 270 4500 300 5000
2
H m
16* 22,5* 28,5* 35* 46* 33* 49* 59* 70* 84* 27 33 42,5 51,5 59,5 70 88,5
18* 24* 32* 43* 29* 45* 55* 67* 80* 26* 32* 41* 50* 59* 69* 87,5*
41* 51* 62,5* 76,5* 24,5* 31* 40* 49* 58* 67* 87*
22,5* 29* 39* 47,5* 56* 65* 85*
19* 24* 34* 43* 52,5* 60* 81*
28* 38* 48* 55* 75*
42 48 67
NM Standard construction. B-NM Bronze construction.
P2 Rated motor power output. H Total head in m.
*
Maximum suction lift 1-2 m. Tolerances according to ISO 9906, annex A.
With 1 m suction head.
Rated currentsP2 kW 0,55 0,75 1,1 1,5 2,2 3 4 5,5 7,5 9,2 11 15 18,5 22 30 37 45 55 75 HP 0,75 1 1,5 2 3 4 5,5 7,5 10 12,5 15 20 25 30 40 50 60 75 100 220V / 380V Y 380V / 660V Y IN A IN A IN A 4,5 2,6 4,5 2,6 5,7 3,3 9 5,2 10,7 6,2 13 7,5 11,3 6,5 14,5 8,4 18,2 10,5 21,5 12,4 25 14,4 32,5 18,5 40,7 23,5 50,5 29,1 65 37,5 82 47 97 56 119 68,5 157 90
IA/IN 5,2 5,2 5,3 6 5,9 9,5 9,8 8,2 9,5 8,2 8,1 8,8 9,7 9 9 8,5 8 7,2 6
P2 Rated motor power output. IA/IN D.O.L. starting current / Rated current
19
NM0 U.S. g.p.m. 20 30
60 Hz40 40 60
Close Coupled Centrifugal Pumpswith flanged connections
Characteristic curves n = 3450 rpm80 60 100 80 40 0 U.S. g.p.m. 20 0 Imp.g.p.m. 20 40 40 60 60 130 80 0 Imp.g.p.m. 20
Hm 20
S 116 A 114 D 103
58 61
63
NM 32/1264 65% 63 61 58
H80 ft 60 30 40 m 35
A 146
NM 32/1650
120 110
B 13153 54 55 25
F 88
ft 100 90
10 20
57%
80 70
0 0 2 P kW 1
0
20 0 2.4
Q m /h 53
10
15
20
26
Q m /h3
5
10
15
20
A B
3.5 3 P HP 2 1.5 1
S2
A D F
2.0 P kW 1.2 0.8 8
P 1 HP
0 8 6 NPSH 4 m 2 0 0
0
20 NPSH 10 ft 0 26
6 NPSH 4 m 2 0 0
20 NPSH 10 ft
Q m /h 53
10
15
20
72.514
Q m3/h
5
10
15
72.515
0 20
0 U.S. g.p.m. 20 0 70 Imp.g.p.m. 20
40 40
60 60
80
100 8025
0 U.S. g.p.m.
50 A 118 C 108 F 100
100
150
80
NM 40/12
70 60 50 40
H60 m 50
A 178
40
45 47,5
NM 32/2050 52%
20
20015
C 164 D 15350
H (m)
ft 150
10
30 20 10
40
5
30
1000
20 50 102,4 2,0 1,6 1,2 0,8 0,4 0,0 80 60
0 0
Q m /h
3
10200
20400
30600
40
0
l/min
3A C
P (kW)
5 4 P kW 2 1 0 8 6 NPSH 4 m 2 0 0
A C D
6 P HP 4 3 2 1 0
1 0
(%)
40 20 0 10 8 6 4 2 0 0
20 NPSH 10 ft 0 25
NPSH (m)
30 20 10 0
Q m3/h 5
10
15
20
72.516
Q m3/h
10
20
30
72.517N
40
20
NPSH (ft)
P (HP)
0
Q m /h3
5
10
15
20
25
B
2
H (ft)
NM45 40 35 30 25 0 U.S. g.p.m.
60 Hz50 A 144 B 132 C 121 100
Close Coupled Centrifugal Pumpswith flanged connections
Characteristic curves n = 3450 rpm150 200
0 U.S. g.p.m. 40140 130 120 110 100 90 80 70 60 50 40 30 20 10 0
80 40 50 80 55
120 120
160
0 Imp.g.p.m. 60
2200 ft
NM 40/16
A 178 AR 174
NM 40/2057,5 58% 55
HmH (ft)
B 168 C 16057
H (m)
20 15 10 5 0 5 4
50 150 50
40 54 30 100
0 0
3 10 Q m /h 200 l/min
20400
30600
40
50 800A
P (kW)
3 2 1 0 80C
P (HP)
B
6 5 4 3 2 1 0
0 10 P kW 6 4
Q m3/h
10
20
30
40
AAR
12 P 8 HP 4
B
C
(%)
60
240 20 6 4
0 12NPSH (ft)
O
NPSH (m)
102 0
NPSH 8 m 4 0 0
30 NPSH 20 ft 10
0
Q m3/h 10
20
30
40
72.518N
0 50
Q m3/h
10
20
30
72.519
40
0
0 U.S. g.p.m. 100 90 80 70 60
50 A 218 B 198 C 188
100
150
28
0 U.S. g.p.m.
100 A 127
200
300
NM 40/25
90
300
26 24 22 20
NM 50/12
80 70
200
D 114
18
60 50 40 30 20 0 0
H (m)
H (ft)
H (m)
50 40 30 20 10 0 18
16 14 12 10 8 6
100
0 0 0
Q m /h
3
10200
20400
30600
40A B
4 5 4
l/min
Q m /h
3
20400
30
40
l/min
50 800
60
70 1200A D
80
24 20
P (kW)
P (HP)
P (kW)
14 10 6 2 60C
16 12 8 4
3 2 1 0 80 60F
6 5 4 3 2 1 0
(%)
(%)
40 20 0 6
40 20 0 8
NPSH (ft)
NPSH (m)
NPSH (m)
4
102 0
4
102 0
0
Q m /h
3
10
20
30
72.520N
40
0
0
Q m3/h
20
30
40
50
60
70
72.521N
80
0
21
NPSH (ft)
6
20
P (HP)
H (ft)
F 106
NM45 40 35 30 250 U.S. g.p.m.
60 Hz100 200
Close Coupled Centrifugal Pumpswith flanged connections
Characteristic curves n = 3450 rpm300
A 156 B 144
NM 50/16
20 15 10 5 0 10 8
0 0
Q m /h
3
l/min
20 30 400
40
50 800
60
70 1200
80A
90
140 130 120 110 100 90 80 70 60 50 40 30 20 10 0
60 50 40H (ft)
0 U.S. g.p.m.
100
200
300
A174 B 164
NM 50/20150
H (m)
H (m)
30 20
100
50
100 14 12 10 8 6 4 2 0 80 700
0 0
Q m /h
3
20400
30
40
l/min
50 800
60
70 1200A B
80
P (kW)
4 2 0 80
5 0
(%)
(%)
60
60 50
NPSH (m)
NPSH (ft)
4
410
102 0
2 00
0
Q m 3/h
20
30
40
50
60
70
80 72.522N 90
0
Q m3/h
20
30
40
50
60
70 72.523N 80
0
90 80
0
U.S. g.p.m.
100 A 216 B 200
200
300
0 U.S. g.p.m. 100280 260 240 220H (ft)
200 200
300 300
400
NM 50/25
0 Imp.g.p.m. 80
100
Hm 60
C 190
45
70 C 186
50 55%
NM 50M50 45
240 ft 200
H (m)
60 50 40
200 180 160 140 120
D 178 E 165
160 40 120
40
30
100 0 03 Q m /h l/min
20400
30
40
50 800
60
70
35A B C
20
30
80 20 0P (HP)
P (kW)
15 10 5 0 70
20
24 20 P kW 12 8 4 10
Q m3/h 20
40
60
80
100
10 0
C D E
32 28 P HP 20 16 12 8
(%)
60 50 40 8
NPSH (m)
410
NPSH (ft)
6
20
NPSH 8 m 6 4 0
30 NPSH 25 ft 20 15
2 0
0
Q m /h
3
20
30
40
50
60
72.524N
70
0
Q m3/h 20
40
60
80
72.525
10
22
NPSH (ft)
6
20
NPSH (m)
40 8
40 8 620
(%)
P (HP)
6
P (HP)
P (kW)
B
12 10 8 6 4 2 0
15 10
H (ft)
NM30 m
60 Hz200 20060
Close Coupled Centrifugal Pumpswith flanged connections
Characteristic curves n = 3450 rpm0 U.S. g.p.m. 100 0 Imp.g.p.m. 100 300 300 4000 0 90 80 U.S. g.p.m. Imp.g.p.m. 200 200 300 300 400 500 400 600 500 150
2
H
A C E
128
25
65
NM 65/1267.5
40
121
Hm 30
D 70% 112 67.5 65 70 ft 60 50 40
20
A 152 B 145 C 136 D 129 E 116
60
65 67.5
NM 65/16D 70%67.5 65 60
ft 100
20
15
50 10 14 P kW 8 4 0 10 8 NPSH 6 m 4 2 0 0
10 10 8 P kW 4 2 0
0 Q m3/h 20
40
60
80
100
Q m3/h
50
100
E
A C
12 10 P HP 6 4 2 0
E
A B C D
150 16 P 12 HP 8 4 0 30 NPSH 20 ft 10
8 NPSH 6 m 4 20
25 20 NPSH 15 ft10
Q m /h3
20
40
60
80
72.526
100
Q m /h3
50
100
72.527
150
0 60 0
U.S. g.p.m. Imp.g.p.m.
200 200
300 300 65
400
500 400
600 500 190 ft 150 100 90 m 80 70 60
0 U.S. g.p.m. 100 0 Imp.g.p.m. 100
200 200 50
300 300
400
500 400 300 ft 250
A 182 B 174 C 166
50 55 60
67.5
NM 65/20D 70%67.5
H
A 220 B 208 C 190
60 62,5 65
NM 65/25066
50 m
H
D 67%
40
65 64 200
30
100 50 150 40 40 30 P 20 kW 10 0 10 20 NPSH 10 ft 8 NPSH 6 m 4 2 0 0
20 28 P kW 16 8 0 8
0
Q m3/h
50
100
70 150
Q m3/h 20
40
60
80
100
120
A B C
32 P 24 HP 16 8 0
A B C
40 P HP 20 0 30 NPSH 20 ft 10
6 NPSH 4 m 2 0 0
Q m /h3
50
100
72.528
0 150
Q m /h3
20
40
60
80
100
72.529
120
23
NM
60 Hz400
Close Coupled Centrifugal Pumpswith flanged connections
Characteristic curves n = 3450 rpm0 U.S. g.p.m. 200 0 Imp.g.p.m. 200 40 A 155 H B 145 50 m 30C 139 D 133 E 125
400 60 65 70
600
NM 80/1670 65 60
600
800 60 120 ft 100 80 60 50 m 40 30
0 U.S. g.p.m. 200 0 Imp.g.p.m. 200A 185 B 172
400 60
400 65 67.5
600
600
800 190 ft 150
71D 73%
70
NM 80/200D 72%
H
67.5 65
20
100 70 200A B
10 0 Q m3/h 40 24 20 P kW 12 8 4 10 8 NPSH 6 m 4 2 0 Q m3/h 40 0 U.S. g.p.m. 200 0 Imp.g.p.m. 200 100 A 228 m 80 60 40 20 0 Q m3/h 40 60 40 P kW 20 0 10 8 NPSH 6 m 4 2 0 Q m3/h 40 80
80
120
40 200 160 32 A 28 P HP B 20 C 16 D 12 E 8D A
20 0 Q m3/h 40 40 30 P 20 kW 10 0 10 8 NPSH 6 m 4 2 0 Q m3/h 40
80
120
160
40 P HP 20 0
80 400
120 600
160 800
30 NPSH 20 ft 10 72.530 200
80
120
160
30 NPSH 20 ft 10 72.531 200
H
B 217 C 205 D 195 E 178
400 55 60 65 68 70
600
NM 80/250D 73%
1000 800
320 280 ft 240 200 160
70
68 120 160 200
120 80 240 80 60 P 40 HP 20 0 30 NPSH 20 ft 10 200 72.532 24024
E
A B C D
80
120
160
NM0 U.S. g.p.m. 0 Imp.g.p.m. 200 70
60 Hz400 400 600 600
Close Coupled Centrifugal Pumpswith flanged connections
Characteristic curves n = 3450 rpm800 1000 800 1200 1000 0 U.S. g.p.m. 0 Imp.g.p.m. 200 100 400 400 600 600 800 1000 800 1200 1000
2300 ft 250
H60 m 50
A 187 B 180
60
65 68 70
NM 100/20072 73% 70
H200 ft 90 m 80 150 70
A 229
50 55
60
NM 100/25065
C 16840
B 212
D 155 E 14566 100
30
60
66 67,5%
200
20 50 10 0 60
50 150 40 0 100 80 P 60 kW 40 20 10 30 NPSH 25 ft 20 15 0 NPSH 8 m 6 4 0 30 NPSH 25 ft 20 15
Q m3/h
100
200
300 80
Q m3/h
100
200
300 120 P HP 80 60 40
A40 P kW 20
B D E C
60 P 40 HP 20 0
A B
0 10 NPSH 8 m 6 4
Q m /h3
100
200
72.533
300
Q m /h3
100
200
72.534
300
25
NM
60 Hz
Close Coupled Centrifugal Pumpswith flanged connections
Dimensions and weights
1f a DN2 l1 l2 DN2 a DN2 f
2l l1 l2 DN2
h2 DN1 h3 g14.93.083.1
h2 DN1 h3 g14.93.082
h1
h1
m2 m1 w
s
n3 n2 n1
b
w
m2 m1
z
s n2 n1
bg1*
mmPicture
NMDN1 DN2 NM 32/12SE-60, AE-60, DE-60, FE-60 50 NM 32/16AE-60, BE-60 NM 32/20DE-60 NM 32/20CE-60 NM 32/20AE-60 NM 40/12A-60/A, C-60/A, F-60/A NM 40/16C-60/A NM 40/16B-60/A NM 40/16A-60/A 50 50 65 65 32 32 32 40 40 a f h1 h2 h3 m1 m2 n1 n2 n3 z b 50 50 50 50 50 s 14 14 14 14 14 l l1 93 l2 w g1 80 405 112 140 222 100 70 190 140 37 80 410 132 160 242 100 70 240 190 47 410 270 62 80 475 160 180 288 100 70 240 190 60 475 288 60 80 410 112 140 222 100 70 210 160 37 410 242 47 80 475 132 160 260 100 70 240 190 45 475 260 45 97 245 12
Flanges EN 1092-2kg C
27-25-24-24 36-34 39 49 52 31-29-27 36 45 49 55 72-65-65 116-110 133 38 47 51 70-64 106-100 126 132 147 135 151 165 55 73-67 75-70 106-100 121 127 139 164 195-174 299 83 113-108 130 144 194-173 203-182 377-361-331 173 195-174 355-323 386 478
120 120 250 12 250 140 140 295 12 295 100 113 250 12 250 119 119 295 12 295 295 12 140 140 320 175 175 410 15 460
g2
DN K
4.93.094
D
mm
1
NM 40/20C-60/A NM 40/20A-60/A, AR-60/A, B-60/A NM 40/25B-60/A, C-60/A NM 40/25A-60/A NM 50/12F-60/A NM 50/12D-60/A NM 50/12A-60/A NM 50/16A-60/A, B-60/A NM 50/20A-60/A, B-60/A NM 50/25C-60/A NM 50/25B-60/A NM 50/25A-60/A
65 65
495 288 60 40 100 160 180 100 70 265 212 525 320 49 640 40 100 180 225 365 125 95 320 250 50 690 430 242 47 50 100 495 132 160 260 100 70 240 190 45 495 260 45 50 100 525 160 180 320 100 70 265 212 49 50 100 640 160 200 345 100 70 265 212 40 645 50 100 695 180 225 365 125 95 320 250 50 720 700 50 100 750 192 225 377 298 258 262 216 775 65 100 -
-
50 65
14 14
-
DN
C
K
D
Holes
g2
65 65 65 65
-
50 50 50 65
14 14 14 14
-
250 121 137 295 12 295 127 141 320 14 140 153 410 15 415 175 175 465 15 465 175 175 239 6*
N 32 40 50 76 100 140 84 110 150 99 125 165 4 4 4 4 8 8 8
19 19 19 19 19 19 19 18 18 20 20 22 24 24
65 118 145 185 80 132 160 200 100 156 180 220 125 184 210 250
2
NM 50M/EE-60 NM 50M/DE-60 NM 50M/CE-60 NM 65/12EE-60 NM 65/12AE-60, CE-60
65
20
69
12
-
80
495 288 60 125 95 280 212 160 180 320 49 525
-
65
14
-
134 156
295 15 320
1
NM 65/16DE-60, EE-60 NM 65/16BE-60, CE-60 NM 65/16AE-60 NM 65/20CE-60 NM 65/20BE-60 NM 65/200AE-60
80
525 320 49 65 100 640 160 200 345 125 95 280 212 40 690 345 40 65 100 690 180 225 365 125 95 320 250 50 715 825 202 408 400 360 344 254 250 945 245 - 475 425 408 318
-
65
14
320 150 172 410 15 460 155 175 460 15 155 175 245 42
80 80 80
20 20 25
65 90 90 90
14 14
65 100 825 202 225 408 400 360 344 254 65 100
2
NM 65/250BE-60, CE-60 NM 65/250AE-60 NM NM NM NM 80/16EE-60 80/16CE-60, DE-60 80/16BE-60 80/16AE-60
14 245 42 175 190 18 290 263 45 320 415 15 465 465
1
100
80 125
545 340 60 670 365 50 180 225 125 95 320 250 720 365 50 745 365 50 -
-
65
14
165 193
NM 80/200AE-60, BE-60 NM 80/250DE-60, EE-60 NM 80/250AE-60, BE-60, CE-60 2 NM 100/200EE-60 NM 100/200CE-60, DE-60 NM 100/200AE-60, BE-60 NM 100/250BE-60 NM 100/250AE-60
100 100
80 125 850 202 250 408 400 360 344 254 850 202 408 400 360 344 254 80 125 280 970 245 - 475 425 408 318
20 20 25 20 20 25 25
90 90 90 69 90 90
14
170 194 245 42
14 245 42 191 210 18 290 263 45 12 239 6* 14 - 180 212 245 42 18 290 263 45
800 192 377 298 258 262 216 125 100 125 850 202 280 408 400 360 344 254 970 245 - 475 425 408 318 125 100 140 980 245 280 1050 275 475 425 408 318 480 430 460 356
-
-
90 290 263 45 18 205 233 104 330 305 50
Pumps with packed gland, dimensions available on request.
26
B-NM
60 Hz
Close Coupled Centrifugal Pumpswith flanged connections
Dimensions and weights
23f a DN2 DN2 l1 l2 a DN2 f l1
4l l2 DN2
h2 DN1 h3 g1 h14.93.099 4.93.078
h2 DN1 h3 g1 h1
m2 m1 w
s
n3 n2 n1
b w m2 m1 z s n2 n1 b g1*
Flanges mmPicture
EN 1092-2
kg n3 z b 50 50 s 14 14 l l1 93 l2 w g1 B-NM 33-32 31-29 44 45 49 57 61 33 37-35 45 53 57 63 80-74 130-124 147 49 58 63 80-74 128-121 135 144 155 135 144 155 93-72 83-78 108 149 166 157 177 179 210-189 350 108 116 155 163 166 32 40 50 76 100 140 84 110 150 99 125 165 C
B- NMDN1 DN2 B-NM 32/12S-60, A-60 B-NM 32/12D-60, F-60 B-NM 32/16B-60 B-NM 32/16A-60 B-NM 32/20D-60 B-NM 32/20C-60 B-NM 32/20A-60 B-NM 40/12F-60 B-NM 40/12A-60, C-60 B-NM 40/16C-60 B-NM 40/16B-60 B-NM 40/16A-60 50 50 32 32 a f h1 h2 h3 m1 m2 n1 n2
80 405 112 140 222 100 70 190 140 37 80 410 132 160 242 100 70 240 190 47 410 270 45 80 475 160 180 288 100 70 240 190 60 475 288 60 80 410 112 140 222 100 70 210 160 37 410 242 47 80 475 132 160 260 100 70 240 190 45 475 260 45
97 245 12
120 120 250 12 250 140 140 295 12 295 100 113 250 12 250 119 119 295 12 295 295 140 140 12 375 175 175 174 6
g2
DN K
50
32
-
50
14
-
1
4.93.094
D
65
40
-
50
14
-
mm
65
40
-
50
14
-
DN
C
K
D
Holes
g2
3 4
B-NM 40/20C-60 B-NM 40/200A-60/A, B-60/A B-NM 4025/B-60/A, C-60/A B-NM 4025/A-60/A B-NM 50/12F-60 B-NM 50/12D-60 B-NM 50/12A-60 B-NM 50/160A-60/A, B-60/A B-NM 50/200A-60/A, B-60/A B-NM 5025/C-60/A B-NM 5025/B-60/A B-NM 5025/A-60/A B-NM 5025/65EE-60 B-NM 5025/65DE-60 B-NM 5025/65CE-60 B-NM 65/125AE-60, CE-60
65 65
495 288 60 40 100 160 180 100 70 265 212 580 320 49 40 100 635 192 225 377 298 258 262 216 685 -
20
50 69
14 12
-
N 4 4 4 4 8 8 8
19 19 19 19 19 19 19 18 18 20 20 22 24 24
1 3
65 65 65 65
430 242 47 50 100 495 132 160 260 100 70 240 190 45 495 260 45 50 100 580 160 180 320 100 70 265 212 49 50 100 695 192 200 377 298 258 262 216 635 50 100 685 192 225 377 298 258 262 216 710 635 50 100 685 192 225 377 298 258 262 216 710 -
20 20
50 50 69 69
14 14 12 12
-
250 121 137 295 12 295 127 141 375 14 140 153 234 175 175 174 6 6
65 118 145 185 80 132 160 200 100 156 180 220 125 184 210 250
4
65 80 80 80
-
20 20
69 65 65 69 69 69 90 90 90 90 65
12 14 14 12 12 12 14
-
175 175 174
6
65 100 580 160 180 320 125 95 280 212 49 575 320 49 65 100 160 200 125 95 280 212 660 345 40 65 100 695 192 200 377 298 258 262 216 745 -
134 156 375 15 375 150 172 15 430 150 172 234 6
3
B-NM 65/160DE-60, EE-60 B-NM 65/160CE-60 B-NM 65/160BE-60 B-NM 65/160AE-60 B-NM 65/200CE-60 B-NM 65/200BE-60 B-NM 65/200AE-60 B-NM 65/250BE-60, CE-60 NM 65/250BE-60 B-NM 65/250AE-60
4
80
750 192 377 298 258 262 216 65 100 775 192 225 377 298 258 262 216 825 202 408 400 360 344 254 825 202 408 400 360 344 254 65 100 840 222 250 - 387 347 369 279 945 245 - 475 425 408 318
-
20 20 20 25 -
-
239 6 155 175 239 6 245 42*
80
-
14 245 42* 14 270 175 190 258 42* 18 290 263 45* 14 375 15 165 193 430 165 193 239 6
3
B-NM 80/160EE-60 B-NM 80/160DE-60 B-NM 80/160CE-60 B-NM 80/160BE-60 B-NM 80/160AE-60
100
605 340 60 80 125 180 225 125 95 320 250 685 365 50 725 80 125 775 192 225 377 298 258 262 216 800 -
4
100
20
69
12
-
27
NM4
60 Hz
Close Coupled Centrifugal Pumps ConstructionClose-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump. Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733 with additional sizes for completion. The pumps in bronze are supplied fully painted. ConnectionsSizes Connections NM4 25/125, 25/160, 25/200 Threaded ports ISO 228 from NM4 32/16 to NM4 150/400 Flanges according to PN 10, EN 1092-2
3
Counter-flanges (on request)Sizes Flanges from NM4 32/16 to NM4 50/25. Screwed flanges EN 1092-1, PN 16 from NM4 32/16 to NM4 150/400 Flanges for welding EN 1092-1, PN 10
Applications- For clean liquids without abrasives, which are non-aggressive for the pump materials (contents of solids up to 0.2%). - For water supply. - For heating, air conditioning, cooling and circulation plants. - For civil and industrial applications. - When low noise operating is required. - For irrigation.
Operating conditions MaterialiComponents Pump casing Lantern bracket ImpellerNM4 Cast iron GJL 200 EN 1561 B-NM4 Bronze G-Cu Sn 10 EN 1982
Liquid temperature from -10 C to +90 C. Ambient temperature up to 40 C. Total suction lift up to 7 m. Maximum permissible working pressure up to 10 bar. Continuous duty.
Motor4-pole induction motor, 60 Hz (n = 1750 rpm). NM4: three-phase 220/380 V, 380/660 V. Insulation class F. Protection IP 54. Constructed in accordance with IEC 60034.
Shaft
Mechanical seal Counter-flanges
Cast iron Bronze GJL 200 EN 1561 G-Cu Sn 10 EN 1982 Brass P- Cu Zn 40 Pb 2 UNI 5705 For NM4 25/125 - 25/160 - 25/200 NM4 32/16 - 32/20 - 40/20 Cr Ni steel AISI 303 up to 1,1 kW Cr Ni Mo steel AISI 316 Cr steel AISI 430 from 1,5 kW to 75 kW Carbon - Ceramic - NBR Steel Fe 430B UNI 7070
Special features on request- Other voltages. - Protection IP 55. - Bronze impeller. - Special mechanical seal. - Higher or lower liquid or ambient temperatures.
Coverage chart n = 1750 rpm10 U.S. g.p.m. 20 10 Imp. g.p.m. 20 70 200 50 40 30NM4 65/31 NM4 80/315
30
40 30
50 40 50
100 100
200 200
300
400 500 300 400 500
1000 1000
2000
3000
2000
NM4
NM4 80/400 NM4 100/400 NM4 125/400 NM4 150/400
Hft 100NM4 100/315 NM4 125/315 NM4 150/315 NM4 100/25
20
NM4 40/25
NM4 50/25
NM4 65/25
NM4 80/25
Hm 10NM4 25/160 NM4 32/16 NM4 40/16 NM4 50/16 NM4 65/16 NM4 80/16 NM4 25/125 NM4 25/200 NM4 32/20 NM4 40/20 NM4 50/20 NM4 65/20 NM4 80/20
50 40NM4 125/250
30NM4 100/20
20
5 4 3
10 7 700
2 1.5
m3/h 3 Q l/min 30 50
2
4
5
6 7 8 9 10 150
20 300
30 400 500
40
50 1000
100 2000
200
300
400 500
80 100
3000 4000 5000
1000072.822.C
29
NM4B - NM4
60 Hz
Close Coupled Centrifugal Pumpswith flanged connections
Performance n 1750 rpmQ m3/h HP l/min
NM4kW NM4 25/12A-60/A NM4 25/160BE-60 NM4 25/160AE-60 NM4 25/200CE-60 NM4 25/200BE-60 NM4 25/200AE-60
P2
1 16
1,2 20
1,5 25
1,89 31,5
2,4 40
3 50
3,6 60
4,2 70
4,8 80
5,4 90
6 100
6,6 110
7,5 125
8,4 140
9,6 160
10,8 180
12 200
13,2 220
15 250
B- NM4 25/160BE-60 B- NM4 25/160AE-60 B- NM4 25/200CE-60 B- NM4 25/200BE-60 B- NM4 25/200AE-60
0,25 0,34 0,37 0,5 0,37 0,5 0,37 0,5 0,55 0,75 0,75 1
H m
6,25 6,2 6,1 6,1 6 5,7 5,4 5 4,6 4,1 3,6 7,95 7,9 7,85 7,8 7,7 7,5 7,2 6,9 6,5 5,8 5 9,9 9,9 9,8 9,75 9,7 9,4 9,3 9 8,5 8 7,2 6,5 12,4 12,3 12,2 12 11,8 11,5 11,2 10,8 10,4 9,8 9 8 6 4* 15,5 15,5 15,4 15,2 15 14,7 14,5 14 13,5 13 12,4 11,6 9,8 7,5* 18,3 18,3 18,3 18,3 18,2 18,1 18 17,7 17,4 17 16,5 15,3 13,9* 11*
B - NM4B-NM4 32/16B-60 B-NM4 32/16A-60 B-NM4 32/20B-60 B-NM4 32/20A-60 B-NM4 40/16C-60 B-NM4 40/16B-60 B-NM4 40/16A-60 B-NM4 40/20B-60 B-NM4 40/20A-60 B-NM4 4025/C-60/A B-NM4 4025/B-60/A B-NM4 4025/A-60/A
NM4kW NM4 32/16BE-60 NM4 32/16AE-60 NM4 32/20BE-60 NM4 32/20AE-60 NM4 40/16C-60/A NM4 40/16B-60/A NM4 40/16A-60/A NM4 40/20BE-60 NM4 40/20AE-60 NM4 40/25C-60/A NM4 40/25B-60/A NM4 40/25A-60/A
P2 HP 0,5 0,5 0,75 1 0,5 0,75 1 1,5 1,5 2 3 4
Q m3/h l/min
2,4 40
3 50
3,6 60
4,2 70
4,8 80
5,4 90
6
7,5
8,4
9,6 10,8
12
13,2
15
16,8 18,9
21
24
27
30
100 125 140 160 180 200 220 250 280 315 350 400 450 500 6,6 8,3 11,4 13,6 6,65 8 9,65 13,1 15,1 18,1 22,7 25 6,1 7,8 10,8 13,2 6,53 7,95 9,6 13 15 18 22,6 24,9 5,3 7,2 9,8 12,4 6,35 7,8 9,5 12,7 14,7 17,9 22,6 24,9 4,4 6,4 8,7 11,4 6,15 7,6 9,37 12,5 14,5 17,6 22,5 24,8 5,4* 7,3* 10* 5,9 7,4 9,2 12 14 17,3 22,3 24,6
0,37 0,37 0,55 0,75 0,37 0,55 0,75 1,1 1,1 1,5 2,2 3
H m
7,6 7,6 7,5 7,4 7,4 7,3 7,1 9,2 9,2 9,1 9,1 9 9 8,8 13,1 13 12,9 12,8 12,6 12,4 12,2 14,9 14,8 14,7 14,6 14,5 14,3 14,1 6,75 6,75 8,1 8,1 9,7 9,7 13,3 13,2 15,3 15,2 18,3 18,2 22,7 22,7 25,1 25
5,7* 8,5* 5,53 7,2 9 11,5 13,7 16,8 22,1 24,4
4,9 6,75 8,7 10,5 13 15,7 21,6 24
4,2 6,25 8,3 9,5 12,2 14,2 20,6 23,6
3,2 5,5 7,8 7,8 10,8 11,8 19,2 22,6
4,6 7
5,8
9,3 8,9 4,4 17,5 14,2 10,1 21,3 18,5 15 10,7*
B - NM4B-NM4 50/16B-60 B-NM4 50/16A-60
NM4kW NM4 50/16B-60/A NM4 50/16A-60/A NM4 50/20C-60/A NM4 50/20B-60/A NM4 50/20A-60/A NM4 50/25C-60/A NM4 50/25B-60/A NM4 50/25A-60/A NM4 65/16CE-60 NM4 65/16BE-60 NM4 65/16AE-60 NM4 65/20BE-60 NM4 65/20AE-60 NM4 65/25BE-60 NM4 65/25AE-60 NM4 65/31CE-60 NM4 65/31BE-60 NM4 65/31AE-60 1,1 1,1 1,1 1,5 2,2 2,2 3 4 1,1 1,1 1,5 2,2 3 4 5,5 5,5 7,5 9,2
P2 HP 1,5 1,5 1,5 2 3 3 4 5,5 1,5 1,5 2 3 4 5,5 7,5 7,5 10 12,5
Q 10,8 m3/h l/min 180 9 10,55 11,2 12,8 16,7 18,9 23,1 24,1 H m
12 200 9 10,6 11,2 12,8 16,8 18,9 23,1 24,1
13,2 220 9 10,6 11,1 12,8 16,9 18,9 23,1 24,1
15 250 8,95 10,6 11 12,75 16,9 18,8 23 24
16,8 18,9 280 8,8 10,6 10,8 12,6 16,9 18,5 22,8 23,8 315 8,55 10,5 10,4 12,3 16,8 18,2 22,6 23,6
21 350 8,25 10,3 10 11,9 16,6 17,8 22,2 23,2 6,6 7,9 9,3 12,5 14,5 19 23,2 27 32 36
24 400 7,7 9,9 9,1 11,3 16,3 17,1 21,5 22,6 6,6 7,8 9,3 12,4 14,4 19 23,1 27 32 36
27 450 7 9,3 8 10,5 15,74 16,2 20,5 21,9 6,5 7,7 9,2 12,3 14,3 18,8 23 26,5 31,5 35,5
30 500 6,25 8,6 6,8 9,4 15,2 15,1 19,5 21 6,4 7,7 9,2 12,2 14,2 18,7 23 26 31 35
33 550 5,4 7,9 5,3 8,1 14,4 13,3 18,2 19,7 6,3 7,5 9,1 12,1 14,1 18,6 22,8 26 31 35
37,8 630 3,8* 6,6* 2,7 5,8 13 10,3 15,3 17 6 7,2 8,9 11,7 13,9 18,3 22,6 25,5 30,5 34,5
42 700 5,3* 3,4 11,2 7,2* 12* 14* 5,7 7 8,6 11,4 13,6 18 22,4 25 30 34
48 800
54
60
66
75
84
900 1000 1100 1250 1400
8,5
5,4
B-NM4 5025/C-60/A B-NM4 5025/B-60/A B-NM4 5025/A-60/A B-NM4 65/16C-60 B-NM4 65/16B-60 B-NM4 65/16A-60
5,2 6,5 8,1 10,8 13,1 17,5 21,8 24,5 29,5 33,5
4,5 3,7 5,8 5 4,1* 7,5 6,8 6* 4,5* 10 9,2 8,3* 6,6* 12,5 11,8 11* 9,5* 8* 16,8 15,6 14,2* 11,8* 9* 21,2 20,4 19,2* 17* 14* 23,5 22 20* 17* 13* 29 28 26,5* 24* 20,5* 33 32 31* 29* 26,5*
NM4kW NM4 80/16CE-60 NM4 80/16BE-60 NM4 80/16AE-60 NM4 80/20CE-60 NM4 80/20BE-60 NM4 80/20AE-60 NM4 80/25CE-60 NM4 80/25BE-60 NM4 80/25AE-60 NM4 80/31CE-60 NM4 80/315BE-60 NM4 80/315AE-60 NM4 80/400CE-60 NM4 80/400BE-60 NM4 80/400AE-60
P2 HP 1,5 2 3 3 4 5,5 5,5 7,5 10 12,5 15 20 25 30 40
Q m3/h l/min
30 500 5,3 6,6 8,6 10,9 12,5 14,2 17,4 20,8 24,2 28,5 32,5 37,5 49,5 56,5 63,5
33 550 5,2 6,5 8,5 10,8 12,5 14,1 17,3 20,8 24,2 28,5 32,5 37,5 49,5 56,5 63,5
37,8 630 5,1 6,4 8,4 10,7 12,4 14 17,1 20,7 24,1 28,5 32,5 37,5 49 56 63
42 700 5 6,3 8,3 10,6 12,3 14 17 20,7 24 28 32 37 49 55,5 63
48 800 4,9 6,1 8,1 10,5 12,1 13,9 16,6 20,5 24 27,5 32 37 48 55 62,5
54
60
66
75
84
96
108
120
132
150
168
180
192
210
900 1000 1100 1250 1400 1600 1800 2000 2200 2500 2800 3000 3200 3500 4,5 5,9 7,9 10,3 12 13,8 16,1 20,1 23,9 27,5 31,5 36,5 47 54,5 62 4,1 5,5 7,6 10 11,7 13,5 15,8 19,8 23,4 27 31,5 36,5 46 53 61 3,8 5,2 7,3 9,7 11,4 13,4 15,2 19,4 23 27 31 36 44 52 60 3 4,6 6,9 9,1 10,6 12,8 14,1 18,3 22 26 30,5 35,5 41 49,5 58 3,7 6,1 4,5 8,2 6,7 9,8 8,5 6,5* 12 11 9,2* 7,4* 13 11,3 9,5* 17,3 15,7 13,8* 11,5* 21,1 19,4 17,5* 15,2* 12,7* 25 23 21* 18* 29,5 28 25,5* 23* 21* 35 33 31,5* 29,5* 27* 37,5 32 25* 47 41 35* 27* 55,5 52 46* 40* 33,5*
1,1 1,5 2,2 2,2 3 4 4 5,5 7,5 9,2 11 15 18,5 22 30
H m
30
NM4
60 Hz
Close Coupled Centrifugal Pumpswith flanged connections
Performance n 1750 rpm
NM4kW NM4 100/20CE-60 NM4 100/20BE-60 NM4 100/20AE-60 NM4 100/25BE-60 NM4 100/25AE-60 NM4 100/315CE-60 NM4 100/315BE-60 NM4 100/315AE-60 NM4 100/400CE-60 NM4 100/400BE-60 NM4 100/400AE-60
P2 HP 4 5,5 7,5 10 12,5 15 20 25 30 40 50
Q m3/h l/min
48 800 9,4 11,7 14 19,4 22,4 28 32,5 38,5 43 51,5 59,5
54
60
66
75
84
96
108
120
132
150
168
180
192
210
240
270
300
330
3
900 1000 1100 1250 1400 1600 1800 2000 2200 2500 2800 3000 3200 3500 4000 4500 5000 5500 9,4 11,7 14 19,4 22,4 28 32,5 38,5 42,8 51,3 59,3 9,2 11,6 13,9 19,3 22,2 27,9 32,4 38,3 42,5 51 59 9,1 11,5 13,9 19,2 22,1 27,9 32,3 38,3 42,5 50,8 58,8 8,9 11,4 13,8 19 21,9 27,5 32 38 42 50,5 58,5 8,5 8 7,2 6,4 5,5 4* 11,2 10,8 10 9,2 8,3 6,5* 4,6* 13,7 13,3 12,7 12 11,3 9,8* 8,2* 7* 18,6 18 17,4 16,5 15,5 13,8* 11,5* 10* 21,4 21 20,4 19,6 18,8 17* 15* 13,3* 27 26 25 23,5 22 19,5* 15,5* 13* 31,5 31 30,5 29,5 28,5 26* 22,5* 20* 37,9 37,5 37 36 35 32,5* 30* 28* 42 41 40 38,5 37 34* 30,5* 28* 50,3 50 49 48 46 44* 41* 39* 58,3 58 57,7 57 56 53,5* 51* 49*
3 4 5,5 7,5 9,2 11 15 18,5 22 30 37
H m
5,5* 8,2* 11,6* 10* 17,5* 26* 37* 47*
5,5* 8,8* 13,5* 21* 33* 44*
NM4kW NM4 125/25EE-60 NM4 125/25DE-60 NM4 125/25CE-60 NM4 125/250BE-60 NM4 125/250AE-60 NM4 125/315CE-60 NM4 125/315BE-60 NM4 125/315AE-60 NM4 125/400CE-60 NM4 125/400BE-60 NM4 125/400AE-60 NM4 150/315DE-60 NM4 150/315CE-60 NM4 150/315BE-60 NM4 150/315AE-60 NM4 150/400CE-60 NM4 150/400BE-60 NM4 150/400AE-60
P2 HP 7,5 10 12,5 15 20 25 30 40 50 60 75 25 30 40 50 60 75 100
Q m3/h
84
96
108
120
132
150
168
180
192
210
240
270
300
330
360
390
420
450
480
l/min 1400 1600 1800 2000 2200 2500 2800 3000 3200 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 11,2 14 16,8 19,4 23 28 32 37 45,5 51,7 59,5 11 13,9 16,6 19,2 22,9 27,8 31,7 36,7 45 51,5 59,3 10,7 13,7 16,4 19 22,8 27,5 31,5 36,5 44,8 51,3 59 10,4 13,4 16,1 18,8 22,7 27,3 31 36 44,6 51 58,8 10 13 15,8 18,6 22,5 27 30,8 35,8 44,5 50,7 58,7 22,8 25,8 30,5 35,6 45,5 51 59 9,4 12,4 15,2 18 22 26,5 30,5 35,5 44,3 50 58 22,6 25,6 30,4 35,5 45 50,5 58,5 8,5 11,6 14,6 17,4 21,5 25,5 29,5 35 43,5 49,5 57,5 22,3 25,4 30,2 35,4 44,5 50 58,3 8 11 14 17 20,9 25 29 34,5 43 49 57 22 25,2 30,1 35,3 44 49,5 58 7,3 10,4 13,3 16,3 20,3 24 28,5 34 42 48 56,5 21,8 24,9 30 35,2 43,8 49,3 57,8 6,2 9,3 12,3 15,2 19,2 23 27 32,5 40 46,5 55,5 21,2 24,4 29,8 35 43,5 49 57,5 7,3* 10,3* 13,2* 17,2* 20* 25* 30,5* 36,5* 43,5* 53* 20 23,2 29 34,4 42 48 57 5* 8* 10,8* 14,9* 17* 22* 28* 32,5* 40* 50* 18,5 21,9 27,9 33,7 40,5 46,5 55,5
5,5 7,5 9,2 11 15 18,5 22 30 37 45 55 18,5 22 30 37 45 55 75
H m
5,4* 8* 12,2* 13* 18,5* 25* 28* 35,5* 46* 16,7 20,2 26,5 32,5 38,5 44,5 54
9* 14,5* 21,5* 31* 41,5* 14,7 18,4 24,8 30,9 36 42,5 52
12,4 10* 7,4* 16,2 14* 11,4* 22,8 20,7* 18,2* 15,4* 29 26,8* 24,4* 21,8* 33 30* 27* 40 37,5* 34,5* 31,5* 49,5 47* 44* 41* 37,5*
NM4 Standard construction. B-NM4 Bronze construction.
P2 Rated motor power output. H Total head in m.
*
Maximum suction lift 1-2 m. Tolerances according to ISO 9906, annex A.
Rated currentsP2 kW 0,25 0,37 0,55 0,75 1,1 1,5 2,2 3 HP 0,34 0,5 0,75 1 1,5 2 3 4 220 V / 380 V Y IN A 1,7 2 3,1 4 6 7,3 10,4 13,1 IN A 1 1,1 1,8 2,3 3,5 4,2 6 7,6 IA/IN 3,5 4,1 4,5 5 4,7 5,9 6,8 9,5 kW 4 5,5 7,5 9,2 11 15 18,5 22 30 37 45 55 75 P2 HP 5,5 7,5 10 12,5 15 20 25 30 40 50 60 75 100 380 V / 660 V Y IN A 10,2 14,9 19 22,8 28 34,8 42 49,6 64,5 84 95,5 120 166 IN A 5,9 8,6 11 13,2 16,2 20,1 24,2 28,5 37,2 48,5 55 69 95,5 IA/IN 9,8 8 9,9 9,8 7,2 7 7,3 7,5 7,5 6 6,4 7,3 6
Rated motor power output. P2 IA/IN D.O.L. starting current / Rated current
31
NM40 U.S. g.p.m. 10 0 Imp. g.p.m. 8 m 6
60 Hz10 10 20
Close Coupled Centrifugal Pumpswith threaded ports
Characteristic curves n = 1750 rpm30 20 12 30 ft 25 0 U.S. g.p.m. 0 Imp. g.p.m. 10 10 20 20 30
NM4 25/12HA 11445 50 52.5 54% 52.5 4 50
10 m 8
A 144
40
NM4 25/16045 50 52% 50 47.5
35 30 ft 25 20 15
HB 130
20 15
6 10
2
5 0 0.25
4 10 2 0.4 0.3 P 0.2 kW 0.1 0 5 4 NPSH 3 m 2 1 0 0
0 0.20 0.15 P 0.10 kW 0.05 0 5
0
Q m3/h
2
4
6
8
Q m3/h
2
4
6
8 0.5
A
0.20 P 0.15 HP 0.10 0.05 0 15 NPSH 10 ft 5
A B
0.4 P 0.3 HP 0.2 0.1 0 15 NPSH 10 ft 5
4 NPSH 3 m 2 1 0
Q m /h3
2
4
6
72.550
8
Q m /h3
2
4
6
72.551
8
0 U.S. g.p.m. 10 20 0 Imp.g.p.m. 10 30 35
20 20 40
30 30
40
m
H
A 194 B 175 C 157
NM4 25/20040 43.5 35
60 ft 50 40 30 30 20
15
42
10
5 10 0 1.0 0.8 P kW 0.4 0.2 0 10 8 NPSH 6 m 4 2 0 0 1.2 1.0 P HP 0.6 0.4 0.2 0 30 NPSH 20 ft 10
0
Q m3/h 2
4
6
8
10
A B C
Q m3/h 2
4
6
8
72.552
10
32
NM40 U.S. g.p.m. 10 0 Imp.g.p.m. 10
60 Hz20 20 50 55 60 30 30 40
Close Coupled Centrifugal Pumpswith flanged connections
Characteristic curves n = 1750 rpm50 40 60 50 30 ft 25 55 50 15 4 10 2 5 5 0 0.5 0.4 P 0.3 HP 0.2 0.1 0 30 NPSH 20 ft 10 0 0.8 0.6 P 0.4 kW 0.2 0 10 8 NPSH 6 m 4 2 0 10 0 1.0 0.8 P 0.6 HP 0.4 0.2 0 30 NPSH 20 ft 10 20 15 m 20 0 U.S. g.p.m. 0 Imp.g.p.m. 10 20 20 30 30 40 50 40 60 50 60 ft 50 50 51.5 50 52.5% 45 40 40 30 20
A 143 B 131
8
62.5%
NM4 32/1660
NM4 32/20A 178 B 17035 40 45
3
H
m 6
H
10
0 0.4 0.3 P O.2 kW 0.1 0 10
0
Q m3/h
5
10
15
0
Q m3/h
5
10
15
A B
A B
8 NPSH 6 m 4 2 0
Q m3/h
5
10
72.553
15
Q m3/h
5
10
72.554
15
10
0 U.S. g.p.m.
25
50
75
100
0 U.S. g.p.m. 2030
40 20 40
60 60
80
100 80 60 ft 50
8
A 144 B 132 C 121
NM4 40/16
20
0 Imp.g.p.m.
m20H (ft)
HA 178 B 16845 50 52.5
NM4 40/2055 57.5 58%
6
H (m)
15
4
102
40 55 10 52.5 50
0 0,8
00 0
30
Q m /h
3
l/min
5 100
10200
15300
20
25 400
A
1
20P (HP)
P (kW)
0,6 0,4 0,2 0 80 B C
0,8 0,6 0,4 0,2 0
5 1.2 1.0 P kW 0.6 0.4 0.2 8
0
Q m3/h 4
8
12
16
20
24
A B
1.5
1 P HP 0.5
(%)NPSH (m)
60 40 20 6 4
102 00
6 NPSH 4 m 2 0 0
NPSH (ft)
20 NPSH 10 ft
Q m3/h
5
10
15
20
72.555N
25
0
Q m3/h 4
8
12
16
20
72.556
24
0
33
NM40 U.S. g.p.m. 30 A 227 B 216 C 194 20
60 Hz50 100
Close Coupled Centrifugal Pumpswith flanged connections
Characteristic curves n = 1750 rpm150
1290 80 70
0 U.S. g.p.m.
50
100
150
200
NM4 40/25
A 156 10 8 B 144
NM4 50/1630
60
H (m)
4010
H (m)
30 20 10
410
2 0 1,2 1,0 0,8 0,6 0,4 0,2 0 80 700 0 0
0 0 3,0
0
Q m /h
3
10200
15300
20
l/min
25 400B C
30 500A
35
0
Q m /h
10 200 l/min3
20400
30600
40
50 800
4
P (kW)
P (kW)
2,0 1,0 0,0 80 60
3 2 1 0
A B
1,5
P (HP)
0,5 0
(%)
(%)
40 20 0 8
60 50 40 10 8 6 4 2 00
NPSH (m)
NPSH (ft)
20 10 0
410
2 0
0
Q m3/h
10
15
20
25
30
72.557N
35
0
Q m3/h 10
20
30
40
72.558N
50
0 U.S. g.p.m.50 20 A 188 15 B 164 C 154
100
150
200
250
0 U.S. g.p.m.
50
100
150
200
25
NM4 50/20
6020
A 225 B 220 C 201
80
NM4 50/25
70 60 50 40H (ft)
40H (ft)
15
H (m)
H (m)
10
10
30 20 10
205
5
0 2,5 2,0
00 0
Q m /h 200 l/min
3
10
20400
30600
40
50 800A B
60 1000 3 2 1 0
0 4P (HP)
0 0
Q m /h
10 200 l/min3
20400
30600
40
50 800A B C
0
5 3 2 1 0
1,5 1,0 0,5 0,0 80 C
P (kW)
P (kW)
2 1 0 70 60
(%)
(%)
60 40 20 6
50 40 30 8
NPSH (m)
NPSH (ft)
NPSH (m)
4
102 0
410
2 00
0
Q m3/h 10
20
30
40
50
72.559N
60
0
Q m3/h 10
20
30
40
72.560N
50
0
34
NPSH (ft)
6
20
P (HP)
3
4
NPSH (ft)
6
20
NPSH (m)
30
P (HP)
1,0
H (ft)
50
H (ft)
6
20
NM40 U.S. g.p.m. 0 Imp. g.p.m. 12 10
60 Hz100 100 200
Close Coupled Centrifugal Pumpswith flanged connections
Characteristic curves n = 1750 rpm300 200 16 0 U.S. g.p.m. 100 0 Imp.g.p.m. 100 45 50 55 60 200 200 300 300 400
NM4 65/16Hm 8
35 30 ft
Hm
A 182 B 171
65
A 148 B 137 C 129
55 60 65
67.5
NM4 65/20 69,5%
48 ft 40
3
70
72.5
12 69 67.5 65 60 8
77.5 75
72.5 70 65
25 20 15 10
32
6
78% 75
24
4 16 4 0 1.6 1.2 P 0.8 kW 0.4 0 5 15 4 NPSH 3 m 2 1 0 NPSH 10 ft 5 0 4 2.0 1.6 P 1.2 HP 0.8 0.4 0 3 P 2 kW 1 0 8 NPSH 6 m 4 2 80 0
2
Q m3/h
20
40
60
80
Q m3/h 20
40
60
80
100 5 P HP 3 2 1 0 25 20 NPSH 15 ft 10
A B C
A B
Q m3/h
20
40
60
72.561
Q m3/h 20
40
60
80
72.579
100
0 U.S. g.p.m. 100 0 Imp.g.p.m. 28 100
200 200
300 300
400 40 ft
0 U.S. g.p.m. 100 0 Imp.g.p.m. 100
200 200 50
300 300
400
24
A 224
50
55
NM4 65/2560 62.5 64% 62.5 60
80
Hm 30
A 283 B 266 C 245
55 60
NM4 65/3162 63% 60
120 ft 100
Hm 20
B 213
64 55 50 48
16
80 20
12 32 8 16 0 8 6 P 4 kW 2 0 8 NPSH 6 m 4 2 0
55
60
40 10 0 10 P kW 6 4 2 8 6 NPSH 4 m 2 0 0 20 NPSH 10 ft
4
Q m3/h 20
40
60
80
100
Q m3/h 20
40
60
80
100
A B
10 P HP 6 4 2 0 25 20 NPSH 15 ft 10
A B C
14 P HP 10 8 6 4 2
Q m3/h 20
40
60
80
72.567
100
Q m3/h 20
40
60
80
72.564
0 100
35
NM410 0 U.S. g.p.m. 100 0 Imp.g.p.m. 100A 154 B 139 C 128
60 Hz200 200 300
Close Coupled Centrifugal Pumpswith flanged connections
Characteristic curves n = 1750 rpm300 400 500 400 30 25 ft 20 15 10 5 40 60 80 100A
Hm 6 4 2
8
60 65 67.5
D 69%
NM4 80/1660 55
15 m
0 U.S. g.p.m. 0 Imp. g.p.m.A 183 B 174 C 164
H
200 60 65 70
200
300
300
400
500 400
600 500 40 ft 30 20 10
67.5 65
75
NM4 80/20D 76%
10
70
65
5
0 0 Q m3/h 20 4 3 P 2 kW 1 0 6 5 NPSH 4 m 3 2 0 Q m3/h 20 0 U.S. g.p.m. 0 Imp. g.p.m.A 228 B 217 C 200
C
B
0 120 5 P HP 2.5 0
40 200 300
60 400
80 500 400
18 NPSH 14 ft 10 100 72.565 120 600 500 80 ft 60 40 20
0 0 Q m3/h 5 4 P kW 2 1 0 6 5 NPSH 4 m 3 2 0 Q m3/h
50
100B A
C
0 150 6 P 4 HP 2 0 NPSH 15 ft 10
50
100
72.566
150
30
200
300
Hm 20
50 55 60
65 67.5 71D 72%
NM4 80/2567.5 65 60
70 10
0 0 Q m3/h 10 8 P kW 4 2 0 8 6 NPSH 4 m 2 0 0 Q m3/h
50
100B C A
0 150 12 P 8 HP 4 0 20 NPSH 10 ft 0 15036
50
100
72.563
NM40 U.S. g.p.m. 0 Imp. g.p.m. 40 A 288
60 Hz200 200 50 55 300 300 400
Close Coupled Centrifugal Pumpswith flanged connections
Characteristic curves n = 1750 rpm500 400D 67%
600 500 120 ft 100 80
Hm
B 270 C 257
60 63 65
NM4 80/31565 63 60
30
20
60 40 150 24 P 16 HP 8 0 30 NPSH 20 ft 10 150
500 0 U.S. g.p.m. 200 300 400 600 500 0 Imp.g.p.m. 200 200 300 400 70 A 355 40 45 50 H 55 60 B 335 D 56% m C 316 50 50 54 45 40 40 30
NM4 80/400
200 ft 150 100 50
3
20 10 0 Q m3/h 30 20 P kW 10 0 8 NPSH 6 m 4 2 0 Q m3/h 50 10072.569
10 0 Q m3/h 20 16 P kW 8 4 0 10 8 NPSH 6 m 4 2 0 Q m3/h
50
100
50
100
C
A B
C
B
A
150 40 30 P 20 HP 10 0 25 NPSH 20 ft 15 10 150
50
100
72.568
37
NM4
60 Hz
Close Coupled Centrifugal Pumpswith flanged connections
Characteristic curves n = 1750 rpm0 U.S. g.p.m. 200 400 600 400 0 Imp.g.p.m. 200 15 70 75 A 185 H 60 65 m B 170 D 79% 10 C 157 600 800 25 40 ft 30 20 10 0 0 Q m3/h 8 6 P 4 kW 2 0 10 8 NPSH 6 m 4 2 0 Q m3/h 50 100 150 0 200A 8P HP 4
0 U.S. g.p.m. 200 0 Imp.g.p.m. 200
400
400 75
600
600
800
1000 800
NM4 100/2075 70 65
m 20 B 216 15 10
H A 229
55 60 65 70
NM4 100/25D 78%
80 70 ft 60 50
74
75
70
5
65
60
40 55 30 20 240
C
B
0 30 NPSH 20 ft 10 200
50
100 500 70 750
150
72.570
5 0 Q m3/h 40 10 8 P 6 kW 4 2 0 6 5 NPSH 4 m 3 2 0 Q m3/h 40 0 U.S. g.p.m. 250 0 Imp.g.p.m. 250 60A 347 B 323 C 297
80
120
160
200A B
10 P HP 5 0
80
120 500
160 750
18 NPSH 14 ft 10 200 72.571 240 1000 200 ft 65 62.5 150
A 286 H B 267 m 30 C 250
40
0 U.S. g.p.m. 250 0 Imp.g.p.m. 250 55 60 65
500D 72%
750
1000
500
750
NM4 100/315 7065 60 55 50
55 60
100 ft 50
m 50 40 30
H
65 66
NM4 100/400D 67.5%
20 10 0 20 15 P 10 kW 5 16 12 NPSH 8 m 4 0 0 Q m3/h 50C
67
66
100 0 Q m3/h 50 100 150 200A B C
0 Q m3/h 50
100
150
200
A B
0 250 30 P 20 HP 10
24 40 30 P 20 kW 10
250 60 P 40 HP 20 30 NPSH 20 ft 10 72.573 250
100
150
200
40 NPSH 20 ft 0 72.572 25038
10 8 NPSH 6 m 4 2 0 Q m3/h 50
100
150
200
NM4
60 Hz900
Close Coupled Centrifugal Pumpswith flanged connections
Characteristic curves n = 1750 rpm600 0 U.S. g.p.m. 300 600 0 Imp.g.p.m. 300 25 60 65 70 H A 233 75 m 20 B 217C 203
900
1200
1500 1200
NM4 125/250D 78%
80 70 ft 60 50
40
0 U.S. g.p.m. 400 0 Imp.g.p.m. 400A 288 B 271 C 258
800 75
800
1200
1200
1600 120 ft 100 80 60 40 400
Hm 30
65 70
D 78%
NM4 125/31575 70 65
3
15 10
D 189 E 175
75
70
65
60
40 30
20
5 0 Q m3/h 20 16 P kW 8 4 0 8 6 NPSH 4 m 2 0 0 Q m3/h
100
200
300B C A
20 360 20 P HP 10 0 20 NPSH ft 10
10 0 Q m3/h 40 30 P 20 kW 10 0 10 8 NPSH 6 m 4 2 0 Q m3/h
100
200
300A B
E
D
C
40 P HP 20 0 30 NPSH 20 ft 10 400
100 600
200 900 1200
300
72.574
0 360
100
200
300
72.575
0 U.S. g.p.m. 300 0 Imp.g.p.m. 300 60 m 50 40 30 60 P 40 kW 20 0 Q m3/h 100A 354 B 333 C 318
600
900
1500 1200 200 180 160 65 140 ft 120 100
H
60 65
70
NM4 125/400D 73%
70
200
300C
80 360 A 80 B 60 P 40 HP 20 0 30 NPSH ft 20
0 10 8 NPSH 6 m 4 2 0 Q m3/h
100
200
300
72.576
10 36039
NM440 m 30 20 10 0 40 30 P 20 kW 5 8 6 NPSH 4 m 2 0 0 Q m3/h 100 0 Q m3/h 100
60 Hz1000 1000 75
Close Coupled Centrifugal Pumpswith flanged connections
Characteristic curves n = 1750 rpm0 U.S. g.p.m. 500 0 Imp.g.p.m. 500A 288 B 272 C 253 D 244
1500
1500
2000 60 100 ft 50 m 50 40 30
0 U.S. g.p.m. 500 0 Imp.g.p.m. 500A 357 B 335 C 318
1000 60 65 70
1000 75
1500
1500
2000 200 ft 150 70 100
H
55 60 65 70
NM4 150/315 D 77%75 70 65
H
NM4 150/400D 77%
76
75
200
300
400
C D
0 500 60 A P B 40 HP 20
24 0 Q m3/h 100 80 60 P 40 kW 20 0 10 8 NPSH 6 m 4 2 0 Q m3/h 100
200
300
400C B
A 100
500
80 P HP 40 20 0
200
300
400
72.577
20 NPSH 10 ft 0 500
200
300
400
30 NPSH 20 ft 10 72.578 500
40
NM4
60 Hz
Close Coupled Centrifugal Pumps
Dimensions and weights1f a DN2 l1 DN2 l2
3h2
DN1
h3
g1 h14.93.098
m2 m1 w
s
n3 n2 n1
b
Standard constructionNM4DN1 DN2 DN1 ISO 228 1 NM4 25/12A-60/A G 11/2 G 1 NM4 25/160AE-60,BE-60 NM4 25/200AE-60,BE-60,CE-60 a f h1 h2 h3 m1 m2 mm kg n1 n2 n3 b s l1 l2 w g 13,5 17,5 25-23-21,5
Picture
56 313 90 140 199 37,5 27,5 170 130 9 56 380 100 160 228 37,5 27,5 190 150 30 63 385 125 180 253 45 32,5 245 200 49
38 9,5 85 88 250 10 38 9,5 102 102 250 10 45 11,5 125 125 250 11
Bronze construction B-NM4B-NM4DN1 DN2 DN1 ISO 228 1 B-NM4 25/160AE-60,BE-60 G 11/2 G 1 B-NM4 25/200AE-60,BE-60,CE-60 a f h1 h2 h3 m1 m2 mm kg n1 n2 n3 b s l1 l2 w g 19-19 27-25-23
Picture
56 380 100 160 228 37,5 27,5 190 150 30 63 400 125 180 253 45 32,5 245 200 49
38 9,5 102 102 250 10 45 11,5 125 125 250 11
2f a DN2 DN2 l1 l2
3f a DN2 DN2 l1 l2
h2 DN1
h2 DN1
h34.93.061.2
h34.93.059
g1 h1 n3 n2
h1 g1
m2 m1 w
s
b
w
m2 m1
z
s n2 n1
b
n1
Flanges EN 1092-2C
Bronze construction B-NM4mmPicture
g2 kg DN1 DN2 a f 410 410 410 430 h1 132 160 132 160 h2 160 180 160 180 h3 m1 m2 n1 260 288 260 288 100 100 100 100 70 70 70 70 240 240 240 265 n2 190 190 190 212 n3 47 62 47 62 z 15 15 b 50 50 50 50 54 60 50 54 60 65 s 14 14 14 14 10 12 14 10 12 14 l l1 120 140 119 140 l2 120 140 119 140 w 255 255 255 255 156 125 g1 12 12 12 12 6 38-38 43-41 41-40-38 52-52 73-70 89 52-52 77 105-92 60-60 684.93.094
DN K D mm Holes
B-NM4B-NM4 32/16A-60,B-60 B-NM4 32/20A-60,B-60 B-NM4 40/16A-60,B-60,C-60 B-NM4 40/20A-60,B-60 B-NM4 4025/B-60/A,C-60/A B-NM4 4025/A-60/A B-NM4 50/16A-60,B-60 B-NM4 5025/C-60/A B-NM4 5025/A-60/A,B-60/A B-NM4 65/16B-60,C-60 B-NM4 65/16A-60 50 50 65 65 65 65 65 80 32 80 32 80 40 80 40 100 40 100
2
DN 32 40 50
C
K
D N 19 19 19 19 19 4 4 4 4 8
g2 18 18 20 20 22
3 2 3 2
535 318 205 175 190 140 190 225 560 350 280 250 230 190
175 175
76 100 140 84 110 150 99 125 165
50 100 430 160 180 288 100 70 265 212 62 535 318 205 175 190 140 50 100 190 225 560 350 280 250 230 190 65 100 -
127 141 255 12 156 175 175 125 150 172 6
65 118 145 185 80 132 160 200
430 288 62 160 200 125 95 280 212 495 306 60
255 15 300
41
NM4
60 Hz
Close Coupled Centrifugal Pumps
Dimensions and weights
4f a DN2 DN2 l1 l2 a DN2 f
5l1 DN2 l2 l
h2 DN1 DN1
h2
h34.93.061.2
h3
g1 h14.93.100
g1 w m2 m1 z s n2 n1 b
h1
m2 m1 w
s
n3 n2 n1
b
Standard construction mmPicture
Flangeskg DN1 DN2 a f 410 410 410 430 h1 132 160 132 160 h2 160 180 160 180 h3 260 288 268 288 m1 m2 100 100 100 100 70 70 70 70 n1 240 240 240 265 n2 190 190 190 212 n3 47 62 47 62 z 20 25 b 50 50 50 50 65 50 50 65 65 65 80 80 65 65 80 80 74 78 78 84 80 80 74 78 78 84 80 74 78 78 84 84 92 78 78 84 s 14 14 14 14 14 14 14 14 14 14 18 18 14 14 18 18 14 l l1 120 140 119 140 l2 120 140 119 140 w 255 255 255 255 g1 12 12 12 12 30,5-30 36-34,5 35-33-31 41-40,5 64-59 78 40-39,5 44,5 54,5-49,5 65,5 85,5-77,5 46-46 51,5 58,5 73,5 97 116 164-153 176 53 63-58 72 91-82 102 135-124 181 250-227 336 365 436 99-90 109 143 152 261-240 313 368 450-427 161-149 173 242-222 331 365 414 459 585-550 363 372 437-424 590-555 6144.93.094
EN 1092-2
NM4NM4 NM4 NM4 NM4 32/16AE-60,BE-60 32/20AE-60,BE-60 40/16A-60/A,B-60/A,C-60/A 40/20AE-60,BE-60 50 50 65 65 65 65 65 65 80 80 80 80 100 100 100 100 100 125 32 80 32 80 40 80 40 100 40 100
C
g2
DN K D
NM4 40/25B-60/A,C-60/A NM4 40/25A-60/A NM4 50/16A-60/A,B-60/A NM4 50/20C-60/A NM4 50/20A-60/A,B-60/A NM4 50/25C-60/A NM4 50/25A-60/A,B-60/A NM4 65/16BE-60,CE-60 NM4 65/16AE-60 NM4 65/20BE-60 NM4 65/20AE-60 NM4 65/25BE-60 NM4 65/25AE-60 NM4 65/31BE-60,CE-60 NM4 65/31AE-60 NM4 80/16CE-60 NM4 80/16AE-60,BE-60 NM4 80/20CE-60 NM4 80/20AE-60,BE-60 NM4 80/25CE-60 NM4 80/25AE-60,BE-60 NM4 80/31CE-60 NM4 80/315AE-60,BE-60 5 NM4 80/400CE-60 NM4 80/400BE-60 NM4 80/400AE-60 NM4 100/20BE-60,CE-60 NM4 100/20AE-60 NM4 100/25BE-60 NM4 100/25AE-60 NM4 100/315BE-60,CE-60 NM4 100/315AE-60 NM4 100/400CE-60 NM4 100/400AE-60,BE-60 NM4 125/25DE-60,EE-60 NM4 125/25CE-60 NM4 125/250AE-60,BE-60 NM4 125/315CE-60 NM4 125/315BE-60 NM4 125/315AE-60 5 NM4 125/400CE-60 NM4 125/400AE-60,BE-60 NM4 150/315DE-60 NM4 150/315CE-60 NM4 150/315AE-60,BE-60 NM4 150/400BE-60,CE-60 NM4 150/400AE-60
495 308 180 225 125 95 320 250 60 525 340 440 62 160 200 288 100 70 265 212 505 60 308 490 125 95 320 250 60 180 225 530 340 62 430 160 200 288 125 95 280 212 495 60 505 308 180 225 125 95 320 250 60 525 340
175 175
300 15 330 265 14 310 300 15 330 255 15 300 310 15 330
50 100 430 160 180 288 100 70 265 212 62 50 100 50 100 65 100 65 100
127 141 255 12 140 153 175 175 150 172 155 175
mm
DN
C
K
D
Holes
g2
4
N 32 40 50 76 100 140 84 110 150 99 125 165 4 4 4 4 8 8 8 8 8
19 19 19 19 19 19 19 23 23 18 18 20 20 22 24 24 26 30
540 360 65 100 200 250 160 120 360 280 60 645 385 65 125 670 225 280 410 160 120 400 315 75 720
345 175 190 18 415 220 220 415 20 465
65 118 145 185 80 132 160 200 100 156 180 220 125 184 210 250 150 211 240 285 200 266 295 340
455 290 62 80 125 180 225 125 95 320 250 520 308 60 540 308 80 125 180 250 125 95 345 280 60 560 340 80 125 565 360 200 280 160 120 400 315 60 670 385
255 165 193 15 300 320 170 194 15 340 191 210 335 20 415
80 125 720 250 315 435 160 120 400 315 90 80 125 850 260 315 466 435 395 314 254 80 865 270 125 905 270 355 970 290 482 397 350 279 520 435 350 279 540 455 396 318 -
220 232 465 20 220 232 210 6 6
14 270 216 14 270 268 268 216 18 290 233 18 18 14 180 212 205 233
125 100 125 125 100 140 125 100 140 125 100 140 150 125 140
4
565 360 200 280 160 120 360 280 60 665 385 685 225 280 410 160 120 400 315 75 735 865 260 466 435 395 314 254 315 880 250 - 432 382 350 279 920 290 355 980 435 395 350 279 540 455 396 318 -
20 25 20 25 20 25
330 20 410 415 20 465 6 6
5
210 230 250 270 223
221 14 270 268 280 233 18 290 18 14 235 268
4
685 250 355 435 160 120 400 315 90 735 482 397 350 279 520 435 350 279 540 455 396 318 540 455 396 318 461 440 356
415 20 465 6 6 6 8 6
150 125 140 865 260 355 466 435 395 314 254 880 150 125 140 920 270 355 980 150 125 140 980 300 400 1045 325 -
235 268 210
14 270 216 14 270 247 278 216 18 290 233 18 290 233 280 305 330 274
-
-
25 20 20 25
900 200 150 160 940 290 400 1000 200 150 160 1065 325 450 1145 320
-
435 395 371 300 435 395 371 300 540 455 396 318 540 461 440 356 625 535 500 406
-
229 14 270 14 270 260 298 248 233 18 290
-
-
25 92 18 330 274 295 328 45 104 22 355 290
8
42
N, N4
60 Hz
End-Suction Centrifugal Pumps ConstructionSingle-stage end-suction centrifugal pumps, with bearing bracket. Nominal duty points and main dimensions in accordance with EN 733 (DIN 24255). Back Pull-Out construction, for simple and quick dismantling and reassembly. The pumps in bronze are supplied fully painted. Rated speed of rotation (60 Hz): N = 3450 rpm N4 = 1750 rpm Connections: PN 10 flanges EN 1092-2. Counter-flanges (on request) Sizes Flanges from 32-160 to 50-250 Screwed flanges PN 16 EN 1092-1 from 65-125 to 150-400 Flanges for welding PN 10 EN 1092-1 Shaft sealing Standardized mechanical seal in accordance with ISO 3069. Stuffing box seal (on request).
4
Applications- For clean liquids, without abrasives, which are non-aggressive for the pump materials (contents of solids up to 0.2%). - For water supply. - For heating, air conditioning, cooling and circulation plants. - For civil and industrial applications and for agriculture. - For fire fighting applications. - For irrigation.
Operating conditionsLiquid temperature from -10 C to +90 C. Ambient temperature up to 40 C. Total suction lift up to 7 m. Maximum permissible working pressure up to 10 bar. Maximum permissible rotation speed: see table on page 46.
Pump-Motor unit MaterialsComponents Pump casing Lantern bracket Impeller N, N4 N, N4 B-N, B-N4 Mechanical seal Stuffing box Mechanical seal Cast iron Bronze GJL 200 EN 1561 G-Cu Sn 10 EN 1982 Cast iron Bronze GJL 200 EN 1561 G-Cu Sn 10 EN 1982 Brass P- Cu Zn 40 Pb 2 UNI 5705 For 32-125, 32-160, 32-200, 40-200 Chrome steel Cr-Ni-Mo steel Carbon steel 1.4104 EN 10088 1.4401 EN 10088 C 40 UNI 7845 (AISI 430) (AISI 316) Bronze _ _ G-Cu Sn5 Zn5 Pb5 EN 1982 with chromate surface _ Carbon - Ceramic - NBR Carbon - Ceramic - NBR Steel Fe 430B UNI 7070 N,N4 pump connected to a standard electric motor in B3 construction form (IEC 72), classification scheme EFF2 or EFF1 (High efficiency) on request, IP 55 protection, threephase 380-415 V , 60 Hz by means of a baseplate, driven by a flexible coupling and with coupling protection.
Special features on request- Special mechanical seal. - Chrome-nickel steel AISI 316 pump-shaft. - Higher or lower liquid or ambient temperatures. - Other motor protection. - Explosion proof construction in accordance with Directive 94/9 EEC (ATEX). - Motor for other voltage.
Shaft Shaft sleeve Mechanical seal Counter-flanges
43
N130 100
60 Hz30 20 30 40 50 40
End-Suction Centrifugal Pumps
Coverage chart n = 3450 rpmU.S. g.p.m. 50 100 100 200 200 300 400 300 500 400 500 1000 1000 400 2000 Imp. g.p.m.
NN 40-250 N 50-250 N 65-250 N 50M N 80-250 N 100-250
300
Hm 50 40 30 N 32-200 N 40-200 N 50-200 200
HN 65-200 N 80-200 N 100-200 ft
N 32-160
N 40-160
N 50-160 N12 65-160 N 80-160 N 65-125
20 N 32-125 N 40-125 N 50-125
100 90 80 70 60 50 40
10
30
20 5 5 6 100 7 8 9 10 150 m 3/h 20 300 400 30 500 40 50 1000 100 2000 200 3000 300 4000 5000 400 500 800072.843.C