Nocchi NRB2 40X250A [5/15] Nocchi standardized close coupled centrifugal pumps 2 4 pole nrb2 50
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Nocchi NRB2 40X250A [5/15] Nocchi standardized close coupled centrifugal pumps 2 4 pole nrb2 50

Nocchi NRB4 100x200C [5/15] Nocchi standardized close coupled centrifugal pumps 2 4 pole nrb2 50
NOCCHI
STANDARDIZED CLOSE COUPLED CENTRIFUGAL PUMPS (24 POLE)
NRB2 50
PERFORMANCE TABLE
OVERALL DIMENSIONS AND WEIGHTS
MOD.
P2
Volt
In (A)
3X440
Q
L/min 400 450 500 600 700 800 900 1000 1100 1200 1300
m
3
/h 24 27 30 36 42 48 54 60 66 72 78
HP kW
NRB2 50x120C 3 2.2 230/400 4.3
m.c.a. / m.w.c.
18 17.5 17 15.5 13.5
NRB2 50x120B 4 3 230/400 5.6 22 21.5 21 20 18.6 16.5
NRB2 50x120A 5.5 4 230/400 7.1 25.5 25.2 24.9 24 23 21.5 19.5 17.5
NRB2 50x160C 5.5 4 230/400 7.1 27.5 27 26.5 25.5 23.5 21
NRB2 50x160B 7.5 5.5 400 9.9 33 32.5 32 31 29.5 27.5 25.5 22
NRB2 50X160A 10 7.5 400 13.7 37 36.5 36 35 34 32.5 31 29 26
NRB2 50X200C 10 7.5 400 13.7 47 46.5 45 43 40 36 31.5
NRB2 50X200B 15 11 400 19.4 52.5 52 51.5 49.5 46.5 43.5 39.5 35
NRB2 50X200A 15 11 400 19.4 57.5 57 56.5 55 53 50 46.5 43
NRB2 50X250D 20 15 400 26.1 70 69.5 67.5 65 61.5 57.5 51
NRB2 50X250C 25 18.5 400 31.7 77 76.5 75 72.5 69.5 66 61.5 55.5
NRB2 50X250B 30 22 400 37.8 88 87.5 86 84 82 78.5 74.5 69
NRB2 50x250A 40 30 400 50.7 94.5 94 93 91.5 89.5 86.5 83.5 80 75.5 70
MOD.
Motor DNm DNa Dimensions (mm)
Weight
(kg)
Type Lm Y
PN16
mm
PN16
mm
a f h2 b1 b2 l1 l2 l3 h h3 xa
NRB2 50x120A 112 M2 386 22 50 65 100 360 160 240 170 850 800 25 217 85 100 90
NRB2 50x120B 100 L2 369 22 50 65 100 360 160 240 170 850 800 25 217 85 100 80
NRB2 50x120C 90 L2 327 16 50 65 100 360 160 240 170 850 800 25 217 85 100 74
NRB2 50x160A 112 MC2 386 22 50 65 100 360 180 280 210 950 900 25 255 95 100 108
NRB2 50x160B 112 MB2 386 22 50 65 100 360 180 280 210 950 900 25 255 95 100 105
NRB2 50X160C 112 M2 386 22 50 65 100 360 180 280 210 950 900 25 255 95 100 105
NRB2 50X200A 132 MC2 498 24 50 65 100 360 200 280 210 950 900 25 255 95 100 134
NRB2 50X200B 132 MB2 498 24 50 65 100 360 200 280 210 950 900 25 255 95 100 129
NRB2 50X200C 100 L2 386 22 50 65 100 360 200 280 210 950 900 25 255 95 100 113
NRB2 50X250A 112 MC2 775 28 50 65 100 360 225 400 330 1320 1270 25 310 110 100 394
NRB2 50X250B 200 LA2 670 28 50 65 100 360 225 400 330 1120 1070 25 290 110 100 316
NRB2 50X250C 180 M2 645 24 50 65 100 360 225 350 280 1120 1070 25 280 100 100 283
NRB2 50x250D 160 L2 498 24 50 65 100 360 225 350 280 950 900 25 280 100 100 185
MEI ≥ 0.1 - MEI reference ≥ 0.70 - The reference efficiency information is available on the website: www.europump.org/efficiencycharts
For efficiency data, see www.nocchi.it

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