Nocchi NRB2 40X200A [12/15] Nocchi standardized close coupled centrifugal pumps 2 4 pole nrb4 50
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Nocchi NRB2 40X200A [12/15] Nocchi standardized close coupled centrifugal pumps 2 4 pole nrb4 50

Nocchi NRB4 100x250B [12/15] Nocchi standardized close coupled centrifugal pumps 2 4 pole nrb4 50
NOCCHI
STANDARDIZED CLOSE COUPLED CENTRIFUGAL PUMPS (24 POLE)
NRB4 50
PERFORMANCE TABLE
OVERALL DIMENSIONS AND WEIGHTS
MOD.
P2
Volt
In (A)
3X440
Q
L/min 150 200 250 300 350 400 450 500 550 600 700
m
3
/h9 12151821242730333642
HP kW
NRB4 50x120C 0.33 0.25 230/400 0.9
m.c.a. / m.w.c.
4.4 4.2 4 3.6 3.2 2.6
NRB4 50x120B 0.5 0.37 230/400 1.2 5.3 5.1 4.9 4.7 4.4 4 3.5
NRB4 50x120A 0.75 0.55 230/400 1.2 6.3 6.1 5.9 5.7 5.5 5.2 4.8
NRB4 50x160C 0.75 0.55 230/400 1.2 6.8 6.6 6.3 5.9 5.3 4.4
NRB4 50x160B 1 0.75 230/400 1.7 8 7.8 7.6 7.4 7 6.4 5.6
NRB4 50x160A 1.5 1.1 230/400 2.5 9 8.8 8.6 8.4 8.2 7.7 7.1 6.4
NRB4 50x200C 1.5 1.1 230/400 2.5 11.6 11.2 10.5 9.6 8.6 7.4 6.2
NRB4 50x200B 1.5 1.1 230/400 2.5 13 12.6 12.2 11.3 10.4 9.4 8.2
NRB4 50x200A 2 1.5 230/400 3.2 14.3 14.1 13.7 13.1 12.3 11.4 10.2 9 7.8
NRB4 50x250D 3 2.2 230/400 4.6 16.8 16.4 15.8 15.1 14.2 13.2 11.9 10.5
NRB4 50x250C 3 2.2 230/400 4.6 18.4 18 17.6 17 16.2 15.2 14.2 12.8 11.5
NRB4 50x250B 4 3 230/400 6.1 21 20.6 20.2 19.7 19.1 18.3 17.4 16.4 15.2
NRB4 50x250A 4 3 230/400 6.1 22.5 22.3 22 21.5 20.9 20.2 19.4 18.5 17.4 14.7
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
NRB4 50x120A 80 A4 280 16 50 65 100 360 160 240 170 850 800 25 217 85 100 68
NRB4 50x120B 71 B4 244 16 50 65 100 360 160 240 170 850 800 25 217 85 100 66
NRB4 50x120AC 71 A4 244 16 50 65 100 360 160 240 170 850 800 25 217 85 100 65
NRB4 50x160A 90 S4 302 16 50 65 100 360 180 280 210 950 900 25 255 95 100 87
NRB4 50x160B 80 B4 280 16 50 65 100 360 180 280 210 950 900 25 255 95 100 85
NRB4 50x160C 80 A4 280 16 50 65 100 360 180 280 210 950 900 25 255 95 100 83
NRB4 50x200A 90 L4 327 16 50 65 100 360 200 280 210 950 900 25 255 95 100 93
NRB4 50x200B 90 S4 302 16 50 65 100 360 200 280 210 950 900 25 255 95 100 92
NRB4 50x200C 90 S4 302 16 50 65 100 360 200 280 210 950 900 25 255 95 100 92
NRB4 50x250A 100 LB4 369 22 50 65 100 360 225 350 280 950 900 25 280 100 100 135
NRB4 50x250B 100 LB4 369 22 50 65 100 360 225 350 280 950 900 25 280 100 100 135
NRB4 50x250C 100 LA4 369 22 50 65 100 360 225 350 280 950 900 25 280 100 100 132
NRB4 50x250D 100 LA4 369 22 50 65 100 360 225 350 280 950 900 25 280 100 100 132
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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