Pump Selector - Calpeda Spa

PUMP

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BNM4 65/31A/B
61900923000

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PUMP AND MOTOR DATA

n (rpm):	1450
N. of impellers:	1
H max (m):	35.90
H min (m):	25.00
Q min (mc/h):	21.00
Q max (mc/h):	84.00
Pn (kW):	9.20
Pn (HP):	12.50
Impeller diameter (mm):	321.50
Motor type:	IM
Motor phase:	3~

Un (V):	400/690
fn (Hz):	50
Poles:	4
In (A):	20.5 / 11
PF:	0.80
Insulation class:	F
Duty:	S1
Min liquid temperature (°C):	-10.00 °C
IE:	IE3-91
ingress protection (IP):	IP 54

MATERIALS

Pump Casing:	Bronze G-Cu Sn 10 EN 1982
Lantern Bracket:	Bronze G-Cu Sn 10 EN 1982
Impeller:	Bronze G-Cu Sn 10 EN 1982

Shaft:	Cr-Ni-Mo steel 1.4401 EN 10088 (AISI 316)
Mechanical Seal:	Carbon-Ceramic-NBR
Counter Flanges:	Steel S235JR 1.0038 EN 10025-2

dn1: 80
dn2: 65
a: 125.00 mm
m1: 160.00 mm
m2: 120.00 mm
n1: 400.00 mm
n2: 315.00 mm
n3: 41.00 mm
b: 80.00 mm
fM: 719.00 mm
s1: 18
l1: 223.00 mm
l2: 223.00 mm
g1: 20.00 mm
h1: 225.00 mm
h2: 280.00 mm
HD: 412.00 mm
w: 465.00 mm

Curves
Data
2d 3d drawings
Dimensions (mm)

PUMP

PUMP AND MOTOR DATA

PUMP AND MOTOR DATA

MATERIALS

2d

3d

Technical datasheet