ConstructionClose-coupled, single-impeller, centrifugal pumps; electricmotor with extended shaft directly connected to the pump.Pump casing with suction and delivery connections with thesame diameter and on the same axis (in-line).
Connections: Flanges PN 10, EN 1092-2.
Counterflanges (on request)Sizes FlangesNR,NR4 50, NR,NR4 65 Screwed flanges PN 16, EN 1092-1NR4 80, NR4 100, Flanges for weldingNR4 125 PN 10, EN 1092-1
ApplicationsFor clean liquids, without abrasives, which are non-aggressivefor the pump materials (contents of solids up to 0.2%).For heating, conditioning, cooling and circulation plants.For civil and industrial applications.When low noise operation is required (n = 1750 rpm).
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.
Motor4-pole induction motor, 60 Hz (n = 1750 rpm).NR4: three-phase 220/380 V.NRM4: single-phase 220 V.
2-pole induction motor, 60 Hz (n = 3450 rpm).NR: three-phase 220/380 V.NRM: single-phase 220 V, with thermal protector.
Insulation class F.Protection IP 54.Constructed in accordance with IEC 60034.
53
In-line PumpsNR,NR, NR4NR4 60 Hz60 Hz
MaterialsComponent MaterialPump casing
Cast iron GJL 200 EN 1561Lantern bracketImpeller Cast iron GJL 200 EN 1561
(Brass P-Cu Zn Pb 2 EN 1982 for NR-NR4 50, NR-NR4 50/200)Shaft Chrome-nickel steel AISI 303 for pumps up to 1.1 kW
Chrome steel AISI 430 for pumps from 1.5 to 4 kWMecanical seal Carbon - Ceramic - NBRCounterflanges Steel Fe 42 UNI 7070
Special features on request- Other voltages. - Protection IP 55.- Special mechanical seal. - Higher or lower liquid or ambient temperatures.
5
Coverage chart
2
3
4
5
20
10
30
40
50
m
2 4 5 10 20 30 40 50150 200
m /hl/min 500300 400
3Q
H
5
20
10
30
40
50
100
m
6 10 15 20 30 40 50 100 100m /hl/min 1000100 1500100 200 500300 400 1000 1500
3Q
H
NR4 50/250
NR4 50/200
NR4 50/160
NR4 50 NR4 65
NR4 80
NR4 100
NR4 125
NR465/250
NR465/200
NR4 65/160
NR4 n = 1750 rpm
NR 50/250
NR 50
NR 65/250
NR 65/200
NR 65/160
NR 65/125
NR 50/200
NR 50/160
NR 50/125
NRn = 3450 rpm
54
NR 50/125F-60NR 50/125C-60NR 50/125A-60NR 50/160C-60NR 50/160B-60NR 50/160A-60NR 50/200C-60NR 50/200B-60NR 50/200A-60NR 50/250C-60NR 50/250B-60NR 50/250A-60
P2
1,11,52,22,23445,57,59,21115
1,523345,55,57,51012,51520
Q
m3/h
l/min
Hm
0
0
15
250
16,8
280
18,9
315
21
350
24
400
27
450
30
500
33
550
37,8
630
39
650
42
700
45
750
15,217,921,323,129,936,148,453,46068,976,492,6
14,717,821,724,429,936,545,450,857,865,573,590,2
14,217,321,423,929,436,144,4505764,572,889,5
13,416,720,923,128,835,543,248,65663,371,588,6
12,515,920,422,228,134,941,747,354,862,370,587,6
11,114,719,420,626,933,739,445,45360,368,886,4
9,513,418,31925,532,13743,351,158,166,884,5
7,611,81717,123,930,43440,748,855,364,382,6
5,510,115,614,922,128,6
37,546,252,561,580,6
1310,718,925,3
41,4
56,976,7
12,2*9,4*18*24,3*
75,4
22*
NR 65/125F-60NR 65/125D-60NR 65/125A-60NR 65/160B-60NR 65/160A-60NR 65/200B-60NR 65/200A-60NR 65/250C-60NR 65/250B-60NR 65/250A-60
P2
2,2345,57,59,211111518,5
345,57,51012,515152025
Q
m3/h
l/min
Hm
0
0
21
350
24
400
27
450
30
500
33
550
37,8
630
42
700
48
800
54
900
72
1200
75
1250
84
1400
16,919,724,334,84151,257,663,273,185,3
16,719,724,735,541,850,557,46373,486,1
16,319,424,635,141,649,95762,372,885,7
15,91924,334,741,449,156,261,572,385,3
15,318,62434,34148,355,560,671,584,8
14,61823,733,840,647,354,559,670,884
13,41722,932,639,845,452,957,669,182,5
12,21622,231,538,943,951,455,667,481,2
10,114,320,929,237,341,549,152,864,879
7,6*12,2*19*26,735,438,646,849,461,876,5
60
1000
66
1100
69
1150
4,8*9,8*17,6*23,7*32,8*35,143,9
58,473,6
30,1*30,940,5
70,3
NR 50DE/2-60NR 50CE/2-60
P2
kW HP
kW HP
kW HP
0,450,75
0,61
Q
m3/h
l/min
Hm
0
0
6
100
6,6
110
7,5
125
8,4
140
13,2
220
15
250
1217,3
11,717,4
10,815,9
10,515,8
10,215,7
9,515,3
8,514,6
714
613 11
9,6
160
10,8
180
12
200
16,8
280
18,9
315
9 5,5
A A
220V3 ~ 380V
2,64,5
1,52,6
A A
220V3 ~ 380V
5,79
10,710,713
3,35,26,26,27,511,311,314,518,221,52532,5
A A
220V3 ~ 380V
10,713
6,27,511,314,518,221,5252532,540,7
NRM 50DE/2-60NRM 50CE/2-60
A IA/IN
220V1 ~
4,16,9
2,53,1
IA/IN
3,54,5
IA/IN
5,365,95,99,59,89,88,29,58,28,18,8
IA/IN
5,99,59,88,29,58,28,18,18,89,7
Performance n ≈ 3450 rpm
In-line PumpsNRNR 60 Hz60 Hz
P1 Max. power input. P2 Rated motor power output. IA/IN = D.O.L. starting current / Rated current Tolerances according to ISO 9906, annex A.
55
NR4 50/160C-60NR4 50/160B-60NR4 50/160A-60NR4 50/200B-60NR4 50/200A-60NR4 50/250C-60NR4 50/250B-60NR4 50/250A-60
P2
0,370,550,751,11,11,52,23
0,50,7511,51,5234
Q
m3/h
l/min
Hm
0
0
5,4
90
6
100
7,5
125
8,4
140
9,6
160
10,8
180
12
200
13,2
220
15
250
24
400
27
450
6,47,69,213,314,918,52325,4
6,57,89,413,114,818,52325,4
6,57,89,41314,718,422,925,3
6,37,79,312,714,418,122,725,2
6,27,69,112,414,117,922,625
67,591213,817,622,424,8
5,77,38,711,613,417,222,124,6
5,578,511,213,116,921,824,3
5,16,88,210,712,716,521,424
4,56,37,79,912,015,820,923,5
3,8*
7,216,319,9
1317,5
30
500
14
16,8
280
18,9
315
21
350
3,95,878,911,11520,323
35,16,27,81013,419,422,2
4,3*5,3*
911,318,421,4
NR4 65/160B-60NR4 65/160A-60NR4 65/200C-60NR4 65/200B-60NR4 65/200A-60NR4 65/250C-60NR4 65/250B-60NR4 65/250A-60
P2
1,11,11,11,52,22,234
1,51,51,523345,5
Q
m3/h
l/min
Hm
0
0
10,8
180
12
200
13,2
220
15
250
24
400
27
450
8,910,511,112,616,618,922,723,7
9,210,810,912,616,819,223,124,2
9,110,810,812,416,719,123,124,2
9,110,810,612,316,619
22,9524,2
8,910,710,412,116,418,822,924,1
8,810,610,111,816,218,522,723,9
8,610,49,611,51618,122,323,6
8,310,29,11115,717,72223
7,89,88,310,315,216,921,522,7
7,29,37,29,414,61620,822
5,8*
9,910,41617,4
16,8
280
18,9
315
21
350
30
500
48
800
33
550
37,8
630
42
700
6,68,85,88,413,815,119,921,2
5,88,24,37,11314,11920,4
4,4*7*
4,711,612,317,518,9
kW HP
kW HP
kW HP
kW HP
A A
220V3 ~ 380V
23,14667,310,413,1
1,11,82,33,53,54,267,6
A A
220V3 ~ 380V
6667,310,410,413,117,6
3,53,53,54,2667,610,2
NR4 50CE-60NR4 50BE-60NR4 50AE-60NR4 65CE-60NR4 65BE-60NR4 65AE-60
P2
0,250,250,250,250,370,37
0,340,340,340,340,50,5
Q
m3/h
l/min
Hm
0
0
2
33
4
67
6
100
8
133
16
267
18
300
3,94,75,63,84,75,6
456
3,94,95,9
3,74,75,84,25,16
2,73,85,24,255,9
2,54,144,95,8
2,63,64,65,5
34,25,2
2,43,74,7
2,94,1
10
167
12
200
14
233
20
333
25
417
3,2
A A
220V3 ~ 380V
1,71,71,71,72,42,4
11111,41,4
NR4M 50CE-60NR4M 50BE-60NR4M 50AE-60NR4M 65CE-60
A IA/IN
220V1 ~
2,52,52,52,5
3,83,83,83,8
NR4 80CE-60NR4 80BE-60NR4 80AE-60NR4 100CE-60NR4 100BE-60NR4 100AE-60NR4 125CE-60NR4 125BE-60NR4 125AE-60
P2
0,550,550,751,11,11,52,234
0,750,7511,51,52345,5
Q
m3/h
l/min
Hm
0
0
30
500
35
583
40
667
50
833
16
267
18
300
4,24,75,56,757,79,510,812,413,9
4,24,85,7
4,14,85,7
44,75,6
3,94,65,5
60
1000
12
200
14
233
20
333
25
417
3,84,55,46,757,79,4
3,444,86,77,69,3
2,53,246,67,59,210,912,713,9
2,23,16,37,29
10,812,613,8
1,966,98,610,712,513,8
4,967,710,512,413,7
3,54,56,59,71213,5
70
1167
80
1333
90
1500
100
1667
110
1840
58,911,212,9
7,710,212
5,78,810,9
79,4 7,7
A A
220V3 ~ 380V
3,13,14667,310,413,117,6
1,81,82,33,53,54,267,610,2
IA/IN
4,14,554,74,75,96,89,5
IA/IN
4,74,74,75,96,86,89,59,8
IA/IN
3,53,53,53,53,63,6
IA/IN
4,54,554,74,75,96,89,59,8
Performance n ≈ 1750 rpm
In-line PumpsNR4NR4 60 Hz60 Hz
P1 Max. power input. P2 Rated motor power output. IA/IN = D.O.L. starting current / Rated current Tolerances according to ISO 9906, annex A.
5
56
In-line PumpsNRNR 60 Hz60 HzPerformance n ≈ 3450 rpm
0
20
0 20
0
10
0
0
5
15
5 10 15
20
20
U.S. g.p.m.
Imp.g.p.m.
40 60 80
40 60
0
0.2
0.6
0.8
0
η 63%m
ft
HPP
kWP
10
20
30
40
50
60
0 2072.5905 10 15
1.0
0.5
1.0
45 50 5560
5550
45
60
NR 50 ./2H
m /h3Q
m /h3Q
C Ø 100
D Ø 86
n = 3450 rpm
C
D
57
In-line PumpsNRNR 60 Hz60 HzPerformance n ≈ 3450 rpm
5
0
0 50 100 150 200
0 200 400 600 800
10 20 30 40 50
0 10 20 30 40 72.1211 72.121250
0
0 50 100 150 200
0 200 400 600 800
10 20 30 40 50
0 10 20 30 40 50
0
0
0 200 300 400 500 600
10 20 30 40
0 10 20 30 40
50 75 100 125 150 175
72.1213
0
0
0 200 300 400 500 600
10 20 30 40
0 10 20 30 40
50 75 100 125 150 175
72.1213
0
0,5
1
1,5
2
2,5
0
1
2
3
0
5
10
15
20
25
0
10
20
30
40
50
60
70
80
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
0
10
20
0
1
2
3
4
5
0123456
0
10
20
30
40
0
20
40
60
80
100
120
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
0
10
20
0
2
4
6
8
10
024681012
20
10
40
30
50
60
70
50
100
150
200
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
0
10
20
0
4
8
12
16
20
04812162024
90
80
40
100
50
60
70
300
250
200
150
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
0
10
20
A
BC
A∅118
C∅108
F∅100
B∅132
C∅121
A∅144
B∅168
C∅160
A∅178
B∅198
C∅188
A∅218
Hft
NPS
Hft
Hm
PkW
%NPSH
m
PH
P
ηη
Q l/min
Q m /h 3
Q m /h 3
A
C
F
Hft
NPS
Hft
Hm
PkW
%NPSH
m
PH
P
ηη
Q l/min
Q m /h 3
Q m /h 3
A
B
C
NR 50/125 NR 50/160
Hm
Hft
NPS
Hft
PkW
%NPSH
m
PH
P
η
Q l/min
Q m /h 3
Q m /h 3
NR 50/200
Hm
Hft
NPS
Hft
PkW
%NPSH
m
PH
P
η
Q l/min
Q m /h 3
Q m /h 3
NR 50/250
A
BC
58
In-line PumpsNRNR 60 Hz60 HzCharacteristic curves n ≈ 3450 rpm
0
0
0 400 600 800 1000 1200
20 30 40 50 60 70 80
0 20 30 40 50 60 70 80
100 150 200 250 300 350 0
0
0 400 600 800 1000 1200
20 30 40 50 60 70 80
0 20 30 40 50 60 70 80
100 150 200 250 300 350
72.1213 72.1214
0
0
0 400 600 800 1000 1200
20 40 60 80
0 20 40 60 80
100 150 200 250 300 350
72.1213
0 400 600 800 1000 1200
0
0 20 40 60 80
0 20 40 60 80
100 150 200 250 300 350
72.1213
0
1
2
3
4
5
0123456
0
10
20
30
0
10
20
30
40
50
60
70
80
90
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
10
0
10
20
30
0
2
4
6
8
10
024681012
10
20
30
40
50
40
60
80
100
120
140
160
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
10
0
10
20
30
02468
101214
0
5
10
15
048
1216202428
0
10
20
30
20
10
40
30
50
60
70
50
100
150
200
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
0
10
20
90
80
40
100
50
60
70
300
250
200
150
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
0
10
20
AB A
BC
D∅114
F∅106
A∅127
B∅144
A∅156
B∅164
A∅174
B∅200
C∅186
A∅216
Hft
NPS
Hft
Hm
Hm
PkW
%NPSH
m
PH
P
η
Q l/min
Q m /h 3
Q m /h 3
A
B
Hft
NPS
Hft
PkW
%NPSH
m
PH
P
η
Q l/min
Q m /h 3
Q m /h 3
D
A
F
NR 65/125 NR 65/160
Hm
Hft
NPS
Hft
PkW
%NPSH
m
PH
P
η
Q l/min
PkW
PH
P
Q l/min
Q m /h 3
Q m /h 3
NR 65/200
Hm
Hft
NPS
Hft
%NPSH
mη
Q m /h 3
Q m /h 3
NR 65/250
59
In-line PumpsNR4NR4 60 Hz60 HzCharacteristic curves n ≈ 1750 rpm
0 15
0
5 100.4
0
0
0 50
10 50
20 6030 40
20 30 40Imp.g.p.m.
U.S. g.p.m.
0.2
0.1
0.3
0.1
0.2
0.3
0.5
P
kW
HPP
1
2
3
4
5
6
10
20
5
15m
ft
00
7
55 60
η 65%
60
55
50
0 1572.5915 10
0 20
0
0.4
0
0
0
0.2
0.1
0.3
0.1
0.2
0.3
0.5
P
kW
HPP
1
2
3
4
5
6
10
20
5
15m
ft
00
7
5 10 15
20
20
U.S. g.p.m.
Imp.g.p.m.
40 60 80
40 60
η 73%
5 10 15 2072.5920
7068
65
6055
55 60 65 68 70NR4 50 NR4 65
m /h3Q
H
m /h3Q
H
m /h3Q
m /h3Q
A Ø 114
B Ø 105
C Ø 97
AB
C
A Ø 118
B Ø 110
C Ø 104
A
BC
5
60
In-line PumpsNR4NR4 60 Hz60 HzCharacteristic curves n ≈ 1750 rpm
72.1215
0
0
0 100 200 300 400 500
5 10 15 20 25 30
0 5 10 15 20 25 30
40 60 80 100 120
72.1215
0
0
0 100 200 300 400 500
5 10 15 20 25 30
0 5 10 15 20 25 30
40 60 80 100 120
72.1216
0
0 25 50 75 100
0 100 200 300 400
5 10 15 20 25
0 5 10 15 20 25
00,10,20,30,40,50,60,7
0
0,2
0,4
0,6
0,8
0
1
2
3
4
5
6
7
8
9
10
0
5
10
15
20
25
30
20
30
40
50
60
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
10
0
10
20
30
0
1
2
3
0
1
2
3
4
0
10
20
30
0
10
30
40
60
70
20
50
80
90
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
0
10
20
00,20,40,60,8
11,2
0
0,5
1
1,5
5
10
15
20U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
0
10
20
B∅132
C∅121
A∅144
B ∅216
C ∅194
A ∅227
Hft
Hft
NPS
Hft
Hm
PkW
%NPSH
m
PH
P
η
Q l/min
Q m /h 3
Q m /h 3
AB
C
NR4 50/160
Hft
NPS
Hft
Hm
PkW
%NPSH
m
PH
P
η
Q l/min
Q m /h 3
Q m /h 3
A
B
C
NR4 50/250
NPS
Hft
Hm
PkW
%NPSH
m
PH
P
η
Q l/min
Q m /h 3
Q m /h 3
AB
61
In-line PumpsNR4NR4 60 Hz60 HzCharacteristic curves n ≈ 1750 rpm
72.1216
0
0 50 100 150 200
0 200 400 600 800
10 20 30 40 50
0 10 20 30 40 50 72.1216
0
0 50 100 150 200
0 200 400 600 800
10 20 30 40 50
0 10 20 30 40 50
72.1216
0
0 50 100 150 200
0 200 400 600 800
10 20 30 40 50
0 10 20 30 40 50
00,20,40,60,8
11,2
0
0,5
1
1,5
2
3
4
5
6
7
8
9
10
11
12
10
15
20
25
30
35
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
10
0
10
20
30
00,40,81,21,6
22,4
0
0,5
1
1,5
0
10
5
15
20
20
30
0
10
40
50
60
U.S.g.p.m.
0
20
40
60
80
0
1
2
3
4
5
0
5
10
15
0
1
2
3
4
0
1
2
5
15
10
20
25
20
30
40
50
60
70
80
U.S.g.p.m.
0
20
40
60
80
0
1
2
3
4
5
0
5
10
15
B∅144
A∅156
B∅164
C∅154
A∅188
B∅ 220
C∅ 201
A∅ 225
Hft
NPS
Hft
Hm
PkW
%NPSH
m
PH
P
η
Q l/min
Q m /h 3
Q m /h 3
A
B
NR4 65/160
Hft
NPS
Hft
Hm
PkW
%NPSH
m
PH
P
η
Q l/min
Q m /h 3
Q m /h 3
A
BC
NR4 65/200
Hft
NPS
Hft
Hm
PkW
%NPSH
m
PH
P
η
Q l/min
Q m /h 3
Q m /h 3
ABC
NR4 65/200
5
62
In-line PumpsNR4NR4 60 Hz60 HzCharacteristic curves n ≈ 1750
0 40
0
0.8
0
0
0
0.4
0.2
0.6
0.2
0.4
0.6
1.0
P
kW
HPP
1
2
3
4
5
6
10
20
5
15m
ft
00
7
10 20 30
40
40
U.S. g.p.m.
Imp.g.p.m.
80 120 160
80 120
η 70%
10 20 30 4072.5930
60 65
65
60
5550
NR4 80H
m /h3Q
m /h3Q
A Ø 115
B Ø 110
C Ø 103
A
BC
0
10
0 80
0 0
0
0
0
5
10
15
20
25
30
2
220 40 60
100 200 300
100 200
0.5
1
1.5
0.5
1
1.5
2
2.5
U.S. g.p.m.
Imp. g.p.m.
m ft
P
HPkW
P
4
6
8
50 5560
6567.5
η 69%
65
60
55
68
0 8020 40 60
6
0 120
2
4
3
1
2
3 4
0 0
2
0
0
8
6
5
Imp.g.p.m.
U.S. g.p.m. 100 200 300 400 500
100 200 300 400
40 8060 10020
m
ft
kW
P HPP
0 12072.595
72.594
40 8060 10020
10
12
14
16
10
20
30
40
5050 55 60 65
η 70%
67.5
6560
55
H
Q 3m /h
Q 3m /h
H
m /h3Q
m /h3Q
NR4 100
NR4 125
A Ø 150
B Ø 140
C Ø 130
A
BC
A Ø 183
B Ø 174
C Ø 164
A
B
C
4.93.032.2
4.93.101.2
mm
f h1 h2 l l1 l2 x
NR 50DE/2-60, CE/2-60NR 50/125A-60, C-60, F-60NR 50/160C-60NR 50/160A-60, B-60NR 50/200C-60NR 50/200A-60, B-60NR 50/250B-60, C-60NR 50/250A-60NR 65/125F-60NR 65/125S-60, A-60,D-60NR 65/160A-60, B-60NR 65/200A-60, B-60NR 65/250A-60NR 65/250B-60NR 65/250C-60
505050505050505065656565656565
320340340340440440440440340340340475475475475
360435437502512542702742452517549667672722747
90909090
100100100100105105105105105105105
270345347412412442602652347412444562567617642
Øb
98--
-
---------
105128128128128160185185128128160185185185185
9396
120120140140175175121121121140175175175
100115128128140140175175145145142153175175175
707575758080858595959590909090
29,5-3033,2-31,5-29,538,751,3-47,559,276,2-69,2121-11413743,155,6-55,6-51,673-67114-108155140134
aTYPE
kgDN
mm
f h1 h2 l l1 l2 x
NR4 50AE-60, BE-60, CE-60NR4 65AE-60, BE-60, CE-60NR4 80AE-60, BE-60, CE-60NR4 100BE-60, CE-60NR4 100AE-60NR4 125CE-60NR4 125AE-60, BE-60NR4 50/160A-60, B-60, C-60NR4 50/200A-60, B-60NR4 50/250B-60, C-60NR4 50/250A-60NR4 65/160A-60, B-60NR4 65/200C-60NR4 65/200A-60, B-60NR4 65/250C-60NR4 65/250A-60, B-60
506580
100100125125505050506565656565
320360400500500600600340400400400340475475475475
360370445485510540610437447552592454467532517557
9010012515015016016090
100100100105105105105105
270270320335360370440347347452592349362532412557
Øb
98118130162162194194
---------
105105110110140140170128128128128128128128128128
93102123153153172172120140175175121140140175175
100114140173173195195128140176176142153153175175
707080
105105120120758085859590909090
24-24-2428-28-2838,5-38-37,559-596489110-10837,5-35,5-33,55677,5-74,593,542,7-42,55262-577393-85
aTYPE
kgDN
DN C K D Holes
N° Øg2
mmFlanges PN 10, EN 1092-2
DN
D
g2
C
K
4.93.094
M16Øb
50
65
80
100
125
99
118
132
156
184
125
145
160
180
210
165
185
200
220
250
4
4
8
8
8
19
19
19
19
19
20
20
22
24
24
h1h2
fx
DN
DN
l1l2l
a
63
Dimensions and weights
Installation
In-line PumpsNR,NR4NR,NR4 60 Hz60 Hz
5
64
In-line PumpsNR,NR4NR,NR4 60 Hz60 Hz
ADVANCED HYDRAULICSOpt imum impe l le r geomet ry p rov i -des maximum efficiency and excellentsuction characteristics.
NEW COMPACT DESIGNA compact structure allows for simpleinstallation even in confined spaces
A UNIQUE DESIGNAn innovative guard (patented)prevents contact wi th rotat ingparts, providing protection to theend user wh i l s t a l l ow ing fo rinspec t ion o f the mechan ica lseal.
SILENT OPERATIONSpecially designed fluid ducts providevery quiet operation
EXCEPTIONAL FLUID DYNAMICSThe f lu id dynamics through the impel lera n d c a s i n g a r e d e s i g n e d t o m i n im i z elosses and increase per formance.
Features
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