01a16 ing2010:01a16 ingnr,nr4 50, nr,nr4 65 screwed flanges pn 16, en 1092-1 nr4 80, nr4 100,...
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53
In-line PumpsNRNR, , NR4NR4
5
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 = 1450 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, 50 Hz (n = 1450 rpm).NR4: three-phase 230/400 V ± 10% up to 3 kW;
400/690 V ± 10% for 4 kW.NRM4: single-phase 230 V ± 10%.2-pole induction motor, 50 Hz (n = 2900 rpm).NR : three-phase 230/400 V ± 10% up to 3 kW;
400/690 V ± 10% from 4 to 18,5 kW.NRM : single-phase 230 V ± 10%.Insulation class F.Protection IP 54.Constructed in accordance with EN 60034-1.
EN 60335-1, EN 60335-2-41.
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.
Coverage chart
n ≈ 2900 rpmn ≈ 1450 rpm
2
3
4
5
20
10
30
40
50
m
2 4 5 10 20 30 40 50 150 200
m /h l/min 500 300 400
3 Q
H
5
20
10
30
40
50
100
m
6 10 15 20 30 40 50 100 100 m /h l/min 1000100 1500100 200 500300 400 1000 1500
3 Q
H
NR4 50/250
NR4 50/200
NR4 50/160
NR4 50 NR4 65
NR4 80
NR4 100
NR4 125
NR4 65/250
NR4 65/200
NR4 65/160
NR4 n = 1450 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
NR n = 2900 rpm
54
Performance n ≈ 2900 rpm
In-line PumpsNRNR
P1 Max. power input. P2 Rated motor power output. Tolerances according to ISO 9906, annex A.
NR 50/125FNR 50/125CNR 50/125ANR 50/160CNR 50/160BNR 50/160ANR 50/200DNR 50/200BNR 50/200ANR 50/250CNR 50/250BNR 50/250A
P2
1,11,52,22,2344
5,57,59,21115
1,52334
5,55,57,510
12,51520
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
14,917,722,223,128,636,341,850,956,761,269,487
13,817,421,721,927,935,537,848,554,958,867
84,6
13,417
21,421,427,435,136,847,754,358
66,484,1
12,816,521
20,626,734,535,746,853,457,365,583,2
12,116
20,619,926
33,734,545,752,456,564,882,3
1115
19,818,624,632,732,443,950,755
63,280,7
9,913,918,817,323,131,230,141,748,953,261,578,8
8,412,617,515,621,329,427,639,246,551,159,676,9
6,911,316,313,819,727,524,936,544,148,957,774,3
9
14,110,816,624,3
39,744,853,869,8
8,313,510
15,723,4
38,843,152,668,4
12
13,621,3
39,450
65,2
19,1
NR 65/125FNR 65/125DNR 65/125ANR 65/125SNR 65/160BNR 65/160ANR 65/200BNR 65/200ANR 65/200SNR 65/250CNR 65/250BNR 65/250A
P2
2,2344
5,57,59,211151115
18,5
34
5,55,57,510
12,51520152025
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
16,521,125
27,231,939
47,154,260,454,667,178,5
1620,224,426,332
39,346,753,360,554,867,278,5
15,719,924,126
31,739
45,952,860,254,266,777,8
15,319,623,825,731,438,745,152,359,653,566
77,3
14,819,223,425,430,938,344,451,559
52,865,176,7
14,318,72325
30,437,943,650,75852
64,376
13,517,922,224,329,536,942
49,256,350,562,874,8
12,516,921,423,628,636,140,547,554,548,961,373,6
11,115,219,822,126,834,737,945,152,246,358,671,1
9,513,318
20,324,832,935,341,949,543,555,868,4
16,725,3
60
1000
66
1100
69
1150
7,311,315,918,322,230,632,438,146,540,652,965,5
5,39,1
13,716,119,728,128,334,542,737,349,762,2
12,414,718,326,7
NR 50D/ANR 50C/A
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
11,616,2
1116
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
230V3 ~ 400V
2,33,7
1,32,2
A A
230V3 ~ 400V
57,59,159,1511,5
2,94,35,35,36,69,69,61216
18,521,527,5
A A
230V3 ~ 400V
9,1511,5
5,36,69,69,61216
18,521,527,521,527,534
NRM 50D/ANRM 50C/A
A A
230V1 ~ P1
3,65,7
0,721,13
55
Performance n ≈ 1450 rpm
In-line PumpsNR4NR4
P1 Max. power input. P2 Rated motor power output. Tolerances according to ISO 9906, annex A.
NR4 50/160CNR4 50/160BNR4 50/160ANR4 50/200BNR4 50/200ANR4 50/250CNR4 50/250BNR4 50/250A
P2
0,370,550,751,11,11,52,23
0,50,75
11,51,5234
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
5,97,39,2
12,814,317,12122
5,97,49,2
12,614,117
20,921,9
5,87,49,2
12,514
16,920,821,9
5,77,29,1
12,313,916,620,521,8
5,67,19
12,113,716,420,321,6
5,46,98,9
11,913,516,120
21,4
5,26,78,7
11,513,215,919,721,1
56,48,4
11,212,815,619,420,9
4,76,28,2
10,712,415,219
20,5
4,25,77,610
11,714,618,419,9
2,54,45,27,38,5
13,815,3
3,1
5,311,713,4
30
500
8,511
16,8
280
18,9
315
21
350
3,75,27,19,211
13,917,819,2
3,14,56,48,210
12,816,818,3
2,33,85,67,18,8
11,315,617,2
NR4 65/160BNR4 65/160ANR4 65/200CNR4 65/200BNR4 65/200ANR4 65/250DNR4 65/250CNR4 65/250BNR4 65/250A
P2
1,11,11,11,52,22,22,234
1,51,51,523334
5,5
Q
m3/h
l/min
Hm
0
0
10,8
180
12
200
13,2
220
15
250
24
400
27
450
8,29,7
11,413,314,513,717,119,921,4
8,29,6
11,313,114,613,917,320,121,6
8,29,5
11,213
14,513,817,220
21,5
8,19,5
11,112,914,413,817,220
21,4
89,4
10,812,714,213,616,919,821,3
7,99,2
10,612,413,913,416,719,621,1
7,79
10,312,113,613,116,319,320,8
7,58,89,9
11,813,212,81619
20,5
7,18,59,4
11,212,712,315,418,419,9
6,68
8,710,512
11,614,717,719,2
3,24,73,45,47,27,210
13,214,7
3
10,8*12,2*
16,8
280
18,9
315
21
350
30
500
48
800
33
550
37,5
630
42
700
67,47,99,7
11,310,913,916,918,4
5,46,87
8,910,510,113
16,117,6
4,35,85,37,29
8,611,414,616,1
kW HP
kW HP
kW HP
kW HP
A A
230V3 ~ 400V
1,62,63,3556
8,610,9
0,921,51,92,92,93,55
6,3
A A
230V3 ~ 400V
5556
8,68,68,610,914,7
2,92,92,93,5555
6,38,5
NR4 50C/ANR4 50B/ANR4 50A/ANR4 65C/ANR4 65B/ANR4 65A/A
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
3,94,75,6
3,84,65,5
3,34,35,23,84,75,6
2,53,54,53,74,65,5
2,33,53,54,55,3
23,14,25
2,63,84,6
1,93,24,1
2,53,5
10
167
12
200
14
233
20
333
25
417
2,7
A A
230V3 ~ 400V
1,41,41,41,42,12,1
0,80,80,80,81,21,2
NR4M 50C/ANR4M 50B/ANR4M 50A/ANR4M 65C/A
A A
230V1 ~ P1
2,12,12,12,1
0,270,290,330,31
NR4 80CENR4 80BENR4 80AENR4 100CENR4 100BENR4 100AENR4 125CENR4 125BENR4 125AE
P2
0,550,550,751,11,11,52,234
0,750,75
11,51,5234
5,5
Q
m3/h
l/min
Hm
0
0
30
500
35
583
40
667
50
833
16
267
18
300
44,85,66,67,59
10,212
13,6
3,94,75,5
3,84,65,4
3,74,55,3
3,64,45,2
60
1000
12
200
14
233
20
333
25
417
3,54,35,16,67,59
3,23,84,86,47,48,9
2,53,34,36,37,28,8
10,212
13,6
2,43,467
8,610,111,913,5
25,66,68,310
11,813,4
4,65,67,49,6
11,613,2
3,34,46,29
1112,9
70
1167
80
1333
90
1500
100
1667
110
1840
4,88,2
10,412,3
7,19,4
11,4
5,78,2
10,3
46,78,8
5,17,2
A A
230V3 ~ 400V
2,62,63,3556
8,610,914,7
1,51,51,92,92,93,55
6,38,5
5
56
Characteristic curves n ≈ 2900 rpm
In-line PumpsNRNR
0 5 10 15 20
0 20 40 60 80 U.S. g.p.m.
0 100 200 300
0 1 2 3 4 5
0
5
10
15
18
0
10
20
30
40
50
H f
t
0
0.5
1.0
0
0.2
0.4
0.6
0.8
1.0
1.2
P H
P
0 5 10 15 20
Ø 116
Ø 100
50 55 60 62 η 64%
62 60
55
50
C
D
C
D
Q m /h 3
l/min
l/s
H m
P
kW
Q m /h 3 72.115
NR 50
57
Characteristic curves n ≈ 2900 rpm
In-line PumpsNRNR
5
A B C
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
0 1 2 3 4 5 6
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
4
8
12
16
0
5
10
15
20
20
40
60
80
100
100
150
200
250
300
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
0
20
40
60
0
20
40
60
80
100
120
140
160
180
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
0
10
20
B
D
0
0 50 100 150 200
0 200 400 600 800
10 20 30 40 50
0
0
0
0 200 300 400 500 600
10 15 20 25 30 35 40
0 10 15 20 25 30 35 40
50 75 100 125 150 175
10 20 30 40 50
0
0 50 100 150 200
0 200 400 600 800
10 20 30 40 50
0 10 20 30 40 50
0
0 50 100 150 200
0 200 400 600 800
10 20 30 40 50
0 10 20 30 40 50
H f
t N
PSH
ft
H m
P
kW
%
NPS
H m
P H
P
η η
Q l/min
Q m /h 3
Q m /h 3
A
A
A
C
C
F
F
H f
t N
PSH
ft
H m
P
kW
%
N
PSH
m
P H
P
η η
Q l/min
Q m /h 3
Q m /h 3
A
A
B
B
C
C
η
H m
H f
t N
PSH
ft
P k
W
%
NPS
H m
P H
P
η η
Q l/min
Q m /h 3
Q m /h 3
B
A
D
∅ 134
C ∅ 123
F ∅ 115
NR 50/125 A ∅ 167
B ∅ 151
C ∅ 137
NR 50/160
H f
t N
PSH
ft
H m
P
kW
%
N
PSH
m
P H
P
η
Q l/min
Q m /h 3
Q m /h 3
A
BC
A ∅ 251
B ∅ 227
C ∅ 215
NR 50/250
η
η
η η
η
NR 50/200A∅ 204
B∅ 195
D∅ 180
ηη
ηη
58
Characteristic curves n ≈ 2900 rpm
In-line PumpsNRNR
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
0
2
4
6
8
10
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
10
0
10
20
30
0
4
8
12
16
20
04812162024
20
40
60
10
70
30
50
40
60
50
100
140
160
180
200
220
U.S.g.p.m.
40
60
80
30
90
50
70
100
140
120
160
180
200
220
260
280
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
0
10
20
0
2
4
6
8
0
10
20
0
4
8
12
16
0
4
8
12
16
20
0
20
40
60
80
B
D
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
0
0
0 400 600 800 1000 1200
20 30 40 50 60 70 80
0 20 30 40 50 60 70 80 0 20 30 40 50 60 70 80
100 150 200 250 300 350
0 400 600 800 1000 1200
0
0 20 30 40 50 60 70 80
100 150 200 250 300 350
η η η
η η
η
η
η η
η
H f
t N
PSH
ft
H m
H m
P
kW
%
N
PSH
m
P H
P
η
Q l/min
Q m /h 3
Q m /h 3
A
A
B
B
H f
t N
PSH
ft
P k
W
%
NPS
H m
P H
P
η
Q l/min
Q m /h 3
Q m /h 3
S
S
D
D
A
A
F
F
NR 65/125S∅ 151
D∅ 136
F ∅ 124
A∅ 146 NR 65/160A ∅ 174
B ∅ 162
H m
P
kW
%
P H
P
η
Q l/min
H f
t N
PSH
ft
P k
W
%
NPS
H m
P H
P
η
Q l/min
Q m /h 3
Q m /h 3
NPS
H f
t
NPS
H m
Q m /h 3
NR 65/200S ∅ 209
B ∅ 188
A ∅ 200
H m
H f
t
Q m /h 3
NR 65/250A ∅ 245
C ∅ 209
B ∅ 229
A B
S A B
C
A B
S
59
Characteristic curves n ≈ 1450 rpm
In-line PumpsNR4NR4
0 2 4 6 8 10 12
0 10 20 30 40 50 U.S. g.p.m.
0 50 100 150 200
0 0.5 1 1.5 2 2.5 3 3.5
2
3
4
5
6
8
10
12
14
16
18
H f
t
0
0.1
0.2
0.1
0.2
P H
P
0
Ø 130
Ø 120
Ø 110
2 4 6 8 10 12 0
0 5 10 15 20
0 20 30 40 50 60 70 80 U.S. g.p.m.
0 50 100 150 200 250 300
0 1 2 3 4 5
1
2
3
4
5
6
4
6
8
10
12
14
16
18
H f
t
0
0.1
0.2
0.3
0
0.1
0.2
0.3
0.4
P H
P
0 5 10 15 20
Ø 134.5
Ø 126
Ø 118
50 55 60 64
65 η 65%
64
60
55
50
60 65 68 72
η 74%
72
68 65
60
A
B
C
A
B
C
A
B
C
A
B
C
Q m /h 3
l/min
l/s
H m
P
kW
Q m /h 3 72.079
Q m /h 3
l/min
l/s
H m
P
kW
Q m /h 3 72.111
NR4 50 NR4 65
5
60
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
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
10
0
10
20
30
0
0,4
1
1,4
0
0,4
0,8
1,2
1,6
0
2
4
6
8
10
12
14
16
0
10
20
30
40
50
U.S.g.p.m.
0
20
40
60
80
0
1
2
3
4
5
0
5
10
15
0
0,8
2
2,8
0
0,8
1,6
2,4
3,2
0
5
10
15
20
25
0
10
20
30
40
50
60
70
80U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
0
10
20
B
D
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 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
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
η η
H f
t N
PSH
ft
H m
P
kW
%
N
PSH
m
P H
P
η
Q l/min
Q m /h 3
Q m /h 3
A
A
B
B
C
C
η η
A∅ 167
B ∅ 151
C ∅ 137
NR4 50/160
H f
t N
PSH
ft
H m
P
kW
%
N
PSH
m
P H
P
η
Q l/min
Q m /h 3
Q m /h 3
AB
AB
A∅ 204
B ∅ 195NR4 50/200
H f
t N
PSH
ft
H m
P
kW
%
N
PSH
m
P H
P
η
Q l/min
Q m /h 3
Q m /h 3
A
A
BC
BC
A∅ 251
B ∅ 247
C ∅ 227
NR4 50/250
η η
η
ηη
ηη
Characteristic curves n ≈ 1450 rpm
In-line PumpsNR4NR4
61
A B C
0
0,2
0,4
0,6
0,8
1
00,20,40,60,811,2
0
1
2
3
4
5
6
7
8
9
10
0
5
10
15
20
25
30
U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
10
0
10
20
30
0
0,4
0,8
1,2
1,6
2
00,40,81,21,622,4
0
2
4
6
8
10
12
14
16
18
20
0
10
20
30
40
50
60
U.S.g.p.m.
0
20
40
60
80
0
1
2
3
4
5
0
5
10
15
0
0,8
0,8
2,4
3,2
4
00,81,62,43,244,8
0
5
10
15
20
25
0
10
20
30
40
50
60
70
80U.S.g.p.m.
0
20
40
60
80
0
2
4
6
8
10
0
10
20
30
B
D
0
0 50 100 150 200
0 200 400 600 800
10 20 30 40 50
0 10 20 30 40 50
0
0 50 100 150 200
0 200 400 600 800
10 20 30 40 50
0 10 20 30 40 50
0
0 50 100 150 200
0 200 400 600 800
10 20 30 40 50
0 10 20 30 40 50
η η η
η η
η
η
H f
t N
PSH
ft
H m
P
kW
%
N
PSH
m
P H
P
η
Q l/min
Q m /h 3
Q m /h 3
A
B
AB
NR4 65/160A ∅ 174
B ∅ 162
H f
t N
PSH
ft
H m
P
kW
%
N
PSH
m
P H
P
η
Q l/min
Q m /h 3
Q m /h 3
ABC
NR4 65/200A ∅ 209
B ∅ 200
C ∅ 188
H f
t N
PSH
ft
H m
P
kW
%
N
PSH
m
P H
P
η
Q l/min
Q m /h 3
Q m /h 3
BA
CD
NR4 65/250A ∅ 255
C ∅ 229
B ∅ 245
D ∅ 209
ηη
ηη
B C-D A
5
Characteristic curves n ≈ 1450 rpm
In-line PumpsNR4NR4
62
Characteristic curves n ≈ 1450 rpm
In-line PumpsNR4NR4
0 10 20 30 40
0 40 60 80 100 120 140 160 180 U.S. g.p.m.
0 100 200 300 400 500 600 700
0 2 3 4 5 6 7 8 9 10 11
1
2
3
4
5
6
4
6
8
10
12
14
16
18
H f
t
0
0.1
0.2
0.3
0.4
0.5
0.6
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
P H
P
0 10 20 30 40
Ø 134.5
Ø 128
Ø 118
0 10 20 30 40 50 60 70
0 100 200 300 U.S. g.p.m.
0 200 400 600 800 1000 1200
0 4 6 8 10 12 14 16 18 20
2
3
4
5
6
7
8
9
10
10
20
30
H f
t
0
1.0
1.6
0
1
2
P H
P
0 10 20 30 40 50 60 70
Ø 174
Ø 160
Ø 152
0 20 40 60 80 100 120
0 100 200 300 400 500 U.S. g.p.m.
0 500 1000 1500 2000
0 10 20 30
4
6
8
10
12
14
15
20
25
30
35
40
45
H f
t
0
1
2
3
4
0
1
2
3
4
5
P H
P
0 20 40 60 80 100 120
Ø 210
Ø 200
Ø 188
60 65 68 70 72
η 74%
72 70
68 65
60
A
B C
A
B
C
60 65 67.5 70
72 74
η 74%
72 70
67.5
65
60
60 65 68 70
72
η 74% 72
70 68
65
60
A
B
C
A
B C
A
B
C
A
B
C
Q m /h 3
l/min
l/s
H m
P
kW
Q m /h 3 72.112
NR4 80
Q m /h 3
l/min
l/s
H m
P
kW
Q m /h 3
Q m /h 3
l/min
l/s
H m
P
kW
Q m /h 3
72.113
72.114
NR4 100
NR4 125
4.93.032.2
4.93.101.2
mm
f h1 h2 l l1 l2 x
NR 50D/A-C/ANR 50/125A-C-FNR 50/160CNR 50/160A-BNR 50/200DNR 50/200A-BNR 50/250B-CNR 50/250ANR 65/125FNR 65/125S-A-DNR 65/160A-BNR 65/200A-BNR 65/200SNR 65/250ANR 65/250BNR 65/250C
50505050505050506565656565656565
320340340340440440440440340340340475475475475475
360435437502512542702742452517549667722672722747
90909090
100100100100105105105105105105105105
270345347412412442602652347412444562617567617642
Øb
98--
-
----------
111128128128128160185185128128160185185185185185
9396
120120140140175175121121121140140175175175
100115128128140140175175145145142153153175175175
70757575808085859595959090909090
29,5-3033,2-31,5-29,538,751,3-47,559,276,2-69,2121-11413743,155,6-55,6-51,673-67114-108120155140134
aTYPE
kgDN
mm
f h1 h2 l l1 l2 x
NR4 50A/A-B/A-C/ANR4 65A/A-B/A-C/ANR4 80AE-BE-CENR4 100BE-CENR4 100AENR4 125CENR4 125AE-BENR4 50/160A-B-CNR4 50/200A-BNR4 50/250B-CNR4 50/250ANR4 65/160A-BNR4 65/200CNR4 65/200A-BNR4 65/250C-DNR4 65/250A-B
506580
100100125125505050506565656565
320360400500500600600340440440440340475475475475
360370445485510540610437447552592454467532517557
9010012515015016016090
100100100105105105105105
270270320335360370440347347452592349362532412557
Øb
98118130162162194194
---------
111111110110140140170128128128128128128128128128
93102123153153172172120140175175121140140175175
100114140173173195195128140176176142153153175175
707080
105105120120758085859590909090
24-24-2428-28-2838,5-38-37,559-596489110-10837,5-35,5-33,55677,5-74,593,542,7-42,55262-5773-7398-85
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
5
64
In-line PumpsNR,NR4NR,NR4
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 i m i z elosses and increase per formance.
Features