Pump Selector
Pump Selector
pump
Speed
Fixed speed
Max Flow Rate
29,00 m³/h
H max
51,70 m
Pump casing
Bronze G-Cu Sn 10 EN 1982
Min Flow Rate
9,60 m³/h
Min head
33,50 m
kW
5,50
kW
Power consumption
Efficiency
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Pump and motor datasheet
-
n (rpm):
2900
-
N. of impellers:
1
-
H max (m):
51.70
-
H min (m):
33.50
-
Q min (mc/h):
9.60
-
Q max (mc/h):
29.00
-
Pn (kW):
5.50
-
Pn (HP):
7.50
-
Impeller diameter (mm):
195.00
-
Motor type:
IM
-
Motor phases:
3~
-
Un (V):
400/690
-
fn (Hz):
50
-
Motor poles:
2
-
Service:
S1
-
Min liquid temperature (°C):
-10.00 °C
Construction materials
-
Pump Casing:
Bronze G-Cu Sn 10 EN 1982
-
Casing Cover:
Bronze G-Cu Sn 10 EN 1982
-
Lantern bracket:
Cast iron GJL 200 EN 1561
-
Impeller::
Brass P-Cu Zn 40 Pb 2 UNI 5705
-
Shaft:
Cr-Ni-Mo steel 1.4401 EN 10088 (AISI 316)
-
Mechanical Seal:
Carbon-Ceramic-NBR
-
Counterflanges:
Steel S235JR 1.0038 EN 10025-2
Files
Dimensions (mm)
- a 80.00 mm
- b 50.00 mm
- fM 646.00 mm
- g1 12.00 mm
- g2 8.00 mm
- h1 160.00 mm
- h2 180.00 mm
- l1 142.00 mm
- l2 142.00 mm
- m1 100.00 mm
- m2 70.00 mm
- m3 250.00 mm
- n1 240.00 mm
- n2 190.00 mm
- n3 130.00 mm
- HD 320.00 mm
- 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