Pump Selector
Pump Selector
pump
Model
NM 32/20D/B
Family
NM, NMS
Code
6040020300000
Speed
Fixed speed
Max Flow Rate
13,20 m³/h
H max
38,00 m
Pump casing
Cast iron GJL 200 EN 1561
Min Flow Rate
6,60 m³/h
Min head
32,00 m
kW
2,20
kW
Power consumption
---
Efficiency
---
Curve
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Pump and motor datasheet
-
n (rpm):
2900
-
N. of impellers:
1
-
H max (m):
38.00
-
H min (m):
32.00
-
Q min (mc/h):
6.60
-
Q max (mc/h):
13.20
-
Pn (kW):
2.20
-
Pn (HP):
3.00
-
Impeller diameter (mm):
178.00
-
Motor type:
IM
-
Motor phases:
3~
-
Un (V):
230/400
-
fn (Hz):
50
-
Motor poles:
2
-
In (A):
9.2 / 5.3
-
Insulation class:
F
-
Service:
S1
-
Min liquid temperature (°C):
-10.00 °C
-
Efficiency Index (EI):
IE3-85.9
-
Weight (kg):
41.072
-
Protection:
IP 54
Construction materials
-
Pump Casing:
Cast iron GJL 200 EN 1561
-
Lantern bracket:
Cast iron GJL 200 EN 1561
-
Impeller::
Brass P-Cu Zn 40 Pb 2 UNI 5705
-
Shaft:
Cr-Ni steel 1.4305 EN 10088 (AISI 303)
-
Mechanical Seal:
Carbon-Ceramic-NBR
Files
Dimensions (mm)
- a 80.00 mm
- b 50.00 mm
- fM 453.00 mm
- g1 12.00 mm
- h1 160.00 mm
- h2 180.00 mm
- l1 140.00 mm
- l2 140.00 mm
- m1 100.00 mm
- m2 70.00 mm
- n1 240.00 mm
- n2 190.00 mm
- n3 40.00 mm
- HD 290.00 mm
- w 297.00 mm
- de1 165
- dk1 125
- dn1 50
- dn2 32
- s1 14
NM, NMS
Close coupled centrifugal pumps with flanged connections 2- and 4- poles
Construction
NM, NM4 Close-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump up to 22 kW (15 kW for NM4).NMS, NMS4 Close-coupled centrifugal pumps, new bracket construction for standard motors (stub-shaft construction) with integrated thrust bearing.
Rated speed of rotation (50 Hz):
NM, NMS ? 2900 rpm.
NM4, NMS4 ? 1450 rpm.
Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733 with additional sizes for completion. (NMS4 80/400).
N 40-250C version with pump casing and lantern bracket in cast iron.
BNM(S), BNM(S)4: version with pump casing and lantern bracket/casing cover in bronze.
The pumps are supplied fully painted.
Version with frequency converter (on request).
Application
For clean liquids without abrasives, which are non-aggressive for the pump materials ( solids content up to 0.2%).For water supply.
For heating, air-conditioning, cooling and circulation plants.
For civil and industrial applications.
For irrigation.
Operating conditions
Liquid 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 16 bar (10 bar for NM 32/12; NM,NM4 32/16,20; NM,NM4 40/25; NM,NM4 50/20,25; NM4 65/31; NM,NM4
100/25; NM4 100/315,400; NM4 125/250 and bronze version).
Continuous duty