Nocchi NRB2 40X250A [11/15] Nocchi standardized close coupled centrifugal pumps 2 4 pole nrb4 40
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Nocchi NRB2 40X250A [11/15] Nocchi standardized close coupled centrifugal pumps 2 4 pole nrb4 40

Nocchi NRB4 100x250B [11/15] Nocchi standardized close coupled centrifugal pumps 2 4 pole nrb4 40
NOCCHI
STANDARDIZED CLOSE COUPLED CENTRIFUGAL PUMPS (24 POLE)
NRB4 40
PERFORMANCE TABLE
OVERALL DIMENSIONS AND WEIGHTS
MOD.
P2
Volt
In (A)
3X440
Q
L/min 100 125 150 175 200 225 250 275 300 350 400 450
m
3
/h 6 7.5 9 10.5 12 13.5 15 16.5 18 21 24 27
HP kW
NRB4 40x120C 0.33 0.25 230/400 0.9
m.c.a. / m.w.c.
4.6 4.5 4.3 4 3.7 3.3 2.5
NRB4 40x120B 0.5 0.37 230/400 1.2 5.4 5.3 5.2 5 4.8 4.5 4.1 3.5
NRB4 40x120A 0.5 0.37 230/400 1.2 6.3 6.2 6.1 6 5.8 5.5 5.2 4.9 4.4
NRB4 40x160C 0.5 0.37 230/400 1.2 7.3 7 6.7 6.4 6 5.5 4.9 4.3
NRB4 40x160B 0.75 0.55 230/400 1.2 8 7.8 7.5 7.2 6.8 6.4 5.9 5.3 4.7
NRB4 40x160A 0.75 0.55 230/400 1.2 8.8 8.6 8.4 8.1 7.7 7.3 6.8 6.3 5.8
NRB4 40x200C 1 0.75 230/400 1.7 11 10.5 10 9.4 8.5 7.6 6.6 5.4
NRB4 40x200B 1.5 1.1 230/400 2.5 12.8 12.5 12.1 11.6 11 10.2 9.3 8.4 6.2
NRB4 40x200A 1.5 1.1 230/400 2.5 14 13.8 13.5 13 12.4 11.8 11 10.2 8.3
NRB4 40x250C 2 1.5 230/400 3.2 17.2 17 16.6 16 15.3 14.5 14 13 10.6
NRB4 40x250B 3 2.2 230/400 4.6 19.7 19.5 19.2 18.6 18 17.5 16.8 16 14 11.5
NRB4 40x250A 3 2.2 230/400 4.6 22.3 22 21.7 21.4 21 20.3 19.6 19 17.5 15.5 13
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 40x120A 71 B4 244 16 40 65 80 360 140 240 170 850 800 25 197 85 100 62
NRB4 40x120B 71 B4 244 16 40 65 80 360 140 240 170 850 800 25 197 85 100 62
NRB4 40x120C 71 A4 244 16 40 65 80 360 140 240 170 850 800 25 197 85 100 61
NRB4 40x160A 80 A4 280 16 40 65 80 360 160 240 170 850 800 25 217 85 100 69
NRB4 40x160B 80 A4 280 16 40 65 80 360 160 240 170 850 800 25 217 85 100 69
NRB4 40x160C 71 B4 244 16 40 65 80 360 160 240 170 850 800 25 217 85 100 67
NRB4 40x200CA 90 S4 302 16 40 65 100 360 180 280 210 950 900 25 255 95 100 91
NRB4 40x200B 90 S4 302 16 40 65 100 360 180 280 210 950 900 25 255 95 100 91
NRB4 40x200C 80 B4 280 16 40 65 100 360 180 280 210 950 900 25 255 95 100 89
NRB4 40x250A 100 LA4 369 22 40 65 100 360 225 350 280 950 900 25 280 100 100 131
NRB4 40x250B 100 LA4 369 22 40 65 100 360 225 350 280 950 900 25 280 100 100 131
NRB4 40x250C 90 L4 327 16 40 65 100 360 225 350 280 950 900 25 280 100 100 124
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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